xref: /dpdk/app/test-pmd/parameters.c (revision 8f1d23ece06adff5eae9f1b4365bdbbd3abee2b2)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4 
5 #include <errno.h>
6 #include <getopt.h>
7 #include <stdarg.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <signal.h>
11 #include <string.h>
12 #include <time.h>
13 #include <fcntl.h>
14 #include <sys/types.h>
15 
16 #include <sys/queue.h>
17 #include <sys/stat.h>
18 
19 #include <stdint.h>
20 #include <unistd.h>
21 #include <inttypes.h>
22 
23 #include <rte_common.h>
24 #include <rte_byteorder.h>
25 #include <rte_log.h>
26 #include <rte_debug.h>
27 #include <rte_cycles.h>
28 #include <rte_memory.h>
29 #include <rte_launch.h>
30 #include <rte_eal.h>
31 #include <rte_per_lcore.h>
32 #include <rte_lcore.h>
33 #include <rte_branch_prediction.h>
34 #include <rte_mempool.h>
35 #include <rte_interrupts.h>
36 #include <rte_ether.h>
37 #include <rte_ethdev.h>
38 #include <rte_string_fns.h>
39 #include <rte_flow.h>
40 
41 #include "testpmd.h"
42 
43 static void
44 usage(char* progname)
45 {
46 	printf("\nUsage: %s [EAL options] -- [testpmd options]\n\n",
47 	       progname);
48 #ifdef RTE_LIB_CMDLINE
49 	printf("  --interactive: run in interactive mode.\n");
50 	printf("  --cmdline-file: execute cli commands before startup.\n");
51 #endif
52 	printf("  --auto-start: start forwarding on init "
53 	       "[always when non-interactive].\n");
54 	printf("  --help: display this message and quit.\n");
55 	printf("  --tx-first: start forwarding sending a burst first "
56 	       "(only if interactive is disabled).\n");
57 	printf("  --stats-period=PERIOD: statistics will be shown "
58 	       "every PERIOD seconds (only if interactive is disabled).\n");
59 	printf("  --display-xstats xstat_name1[,...]: comma-separated list of "
60 	       "extended statistics to show. Used with --stats-period "
61 	       "specified or interactive commands that show Rx/Tx statistics "
62 	       "(i.e. 'show port stats').\n");
63 	printf("  --num-procs=N: set the total number of multi-process instances.\n");
64 	printf("  --proc-id=id: set the id of the current process from "
65 	       "multi-process instances (0 <= id < num-procs).\n");
66 	printf("  --nb-cores=N: set the number of forwarding cores "
67 	       "(1 <= N <= %d).\n", nb_lcores);
68 	printf("  --nb-ports=N: set the number of forwarding ports "
69 	       "(1 <= N <= %d).\n", nb_ports);
70 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
71 	       "the packet forwarding test. The main lcore is reserved for "
72 	       "command line parsing only, and cannot be masked on for "
73 	       "packet forwarding.\n");
74 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
75 	       "by the packet forwarding test.\n");
76 	printf("  --portlist=PORTLIST: list of forwarding ports\n");
77 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
78 	       "RX memory buffers (mbufs).\n");
79 	printf("  --no-numa: disable NUMA-aware allocation.\n");
80 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
81 	       "specify the socket on which the memory pool "
82 	       "used by the port will be allocated.\n");
83 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
84 	       "specify the socket on which the TX/RX rings for "
85 	       "the port will be allocated "
86 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
87 	printf("  --socket-num=N: set socket from which all memory is allocated "
88 	       "in NUMA mode.\n");
89 	printf("  --mbuf-size=N,[N1[,..Nn]: set the data size of mbuf to "
90 	       "N bytes. If multiple numbers are specified the extra pools "
91 	       "will be created to receive with packet split features\n");
92 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
93 	       "in mbuf pools.\n");
94 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
95 	printf("  --max-lro-pkt-size=N: set the maximum LRO aggregated packet "
96 	       "size to N bytes.\n");
97 #ifdef RTE_LIB_CMDLINE
98 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
99 	       "of peer ports.\n");
100 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
101 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
102 #endif
103 	printf("  --pkt-filter-mode=N: set Flow Director mode "
104 	       "(N: none (default mode) or signature or perfect).\n");
105 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
106 	       "(N: none  or match (default) or always).\n");
107 	printf("  --pkt-filter-size=N: set Flow Director mode "
108 	       "(N: 64K (default mode) or 128K or 256K).\n");
109 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
110 	       "In perfect mode, when you add a rule with queue = -1 "
111 	       "the packet will be enqueued into the rx drop-queue. "
112 	       "If the drop-queue doesn't exist, the packet is dropped. "
113 	       "By default drop-queue=127.\n");
114 #ifdef RTE_LIB_LATENCYSTATS
115 	printf("  --latencystats=N: enable latency and jitter statistics "
116 	       "monitoring on forwarding lcore id N.\n");
117 #endif
118 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
119 	printf("  --enable-scatter: enable scattered Rx.\n");
120 	printf("  --enable-lro: enable large receive offload.\n");
121 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
122 	printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
123 	printf("  --enable-hw-vlan: enable hardware vlan.\n");
124 	printf("  --enable-hw-vlan-filter: enable hardware vlan filter.\n");
125 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
126 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
127 	printf("  --enable-hw-qinq-strip: enable hardware qinq strip.\n");
128 	printf("  --enable-drop-en: enable per queue packet drop.\n");
129 	printf("  --disable-rss: disable rss.\n");
130 	printf("  --port-topology=<paired|chained|loop>: set port topology (paired "
131 	       "is default).\n");
132 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
133 	       list_pkt_forwarding_modes());
134 	printf("  --forward-mode=5tswap: set forwarding mode to "
135 			"swap L2,L3,L4 for MAC, IPv4/IPv6 and TCP/UDP only.\n");
136 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
137 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
138 	printf("  --rss-level-inner: set RSS hash level to innermost\n");
139 	printf("  --rss-level-outer: set RSS hash level to outermost\n");
140 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
141 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
142 	printf("  --txq=N: set the number of TX queues per port to N.\n");
143 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
144 	printf("  --hairpinq=N: set the number of hairpin queues per port to "
145 	       "N.\n");
146 	printf("  --burst=N: set the number of packets per burst to N.\n");
147 	printf("  --flowgen-clones=N: set the number of single packet clones to send in flowgen mode. Should be less than burst value.\n");
148 	printf("  --flowgen-flows=N: set the number of flows in flowgen mode to N (1 <= N <= INT32_MAX).\n");
149 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
150 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
151 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
152 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
153 	       "(0 <= N < value of rxd).\n");
154 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
155 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
156 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
157 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
158 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
159 	       "(0 <= N <= value of txd).\n");
160 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
161 	       "(0 <= N <= value of txd).\n");
162 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
163 	       " Used mainly with PCAP drivers.\n");
164 	printf("  --rxoffs=X[,Y]*: set RX segment offsets for split.\n");
165 	printf("  --rxpkts=X[,Y]*: set RX segment sizes to split.\n");
166 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
167 		" or total packet length.\n");
168 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
169 	printf("  --tx-ip=src,dst: IP addresses in Tx-only mode\n");
170 	printf("  --tx-udp=src[,dst]: UDP ports in Tx-only mode\n");
171 	printf("  --eth-link-speed: force link speed.\n");
172 	printf("  --rxq-share=X: number of ports per shared Rx queue groups, defaults to UINT32_MAX (1 group)\n");
173 	printf("  --disable-link-check: disable check on link status when "
174 	       "starting/stopping ports.\n");
175 	printf("  --disable-device-start: do not automatically start port\n");
176 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
177 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
178 	printf("  --bitrate-stats=N: set the logical core N to perform "
179 		"bit-rate calculation.\n");
180 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
181 	       "enable print of designated event or all of them.\n");
182 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
183 	       "disable print of designated event or all of them.\n");
184 	printf("  --flow-isolate-all: "
185 	       "requests flow API isolated mode on all ports at initialization time.\n");
186 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
187 	printf("  --rx-offloads=0xXXXXXXXX: hexadecimal bitmask of RX queue offloads\n");
188 	printf("  --hot-plug: enable hot plug for device.\n");
189 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
190 	printf("  --geneve-parsed-port=N: UPD port to parse GENEVE tunnel protocol\n");
191 #ifndef RTE_EXEC_ENV_WINDOWS
192 	printf("  --mlockall: lock all memory\n");
193 	printf("  --no-mlockall: do not lock all memory\n");
194 #endif
195 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
196 	       "    native: use regular DPDK memory to create and populate mempool\n"
197 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
198 	       "    xmem: use anonymous memory to create and populate mempool\n"
199 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
200 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
201 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
202 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
203 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
204 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
205 	printf("  --noisy-lkup-num-reads-writes=N: do N random reads and writes per packet\n");
206 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
207 	       "valid only with --mp-alloc=anon\n");
208 	printf("  --rx-mq-mode=0xX: hexadecimal bitmask of RX mq mode can be "
209 	       "enabled\n");
210 	printf("  --record-core-cycles: enable measurement of CPU cycles.\n");
211 	printf("  --record-burst-stats: enable display of RX and TX bursts.\n");
212 	printf("  --hairpin-mode=0xXX: bitmask set the hairpin port mode.\n"
213 	       "    0x10 - explicit Tx rule, 0x02 - hairpin ports paired\n"
214 	       "    0x01 - hairpin ports loop, 0x00 - hairpin port self\n");
215 }
216 
217 #ifdef RTE_LIB_CMDLINE
218 static int
219 init_peer_eth_addrs(const char *config_filename)
220 {
221 	FILE *config_file;
222 	portid_t i;
223 	char buf[50];
224 
225 	config_file = fopen(config_filename, "r");
226 	if (config_file == NULL) {
227 		perror("Failed to open eth config file\n");
228 		return -1;
229 	}
230 
231 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
232 
233 		if (fgets(buf, sizeof(buf), config_file) == NULL)
234 			break;
235 
236 		if (rte_ether_unformat_addr(buf, &peer_eth_addrs[i]) < 0) {
237 			fprintf(stderr, "Bad MAC address format on line %d\n",
238 				i + 1);
239 			fclose(config_file);
240 			return -1;
241 		}
242 	}
243 	fclose(config_file);
244 	nb_peer_eth_addrs = (portid_t) i;
245 	return 0;
246 }
247 #endif
248 
249 /*
250  * Parse the coremask given as argument (hexadecimal string) and set
251  * the global configuration of forwarding cores.
252  */
253 static void
254 parse_fwd_coremask(const char *coremask)
255 {
256 	char *end;
257 	unsigned long long int cm;
258 
259 	/* parse hexadecimal string */
260 	end = NULL;
261 	cm = strtoull(coremask, &end, 16);
262 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
263 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
264 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
265 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
266 }
267 
268 /*
269  * Parse the coremask given as argument (hexadecimal string) and set
270  * the global configuration of forwarding cores.
271  */
272 static void
273 parse_fwd_portmask(const char *portmask)
274 {
275 	char *end;
276 	unsigned long long int pm;
277 
278 	/* parse hexadecimal string */
279 	end = NULL;
280 	pm = strtoull(portmask, &end, 16);
281 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
282 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
283 	else
284 		set_fwd_ports_mask((uint64_t) pm);
285 }
286 
287 static void
288 print_invalid_socket_id_error(void)
289 {
290 	unsigned int i = 0;
291 
292 	fprintf(stderr, "Invalid socket id, options are: ");
293 	for (i = 0; i < num_sockets; i++) {
294 		fprintf(stderr, "%u%s", socket_ids[i],
295 			(i == num_sockets - 1) ? "\n" : ",");
296 	}
297 }
298 
299 static int
300 parse_portnuma_config(const char *q_arg)
301 {
302 	char s[256];
303 	const char *p, *p0 = q_arg;
304 	char *end;
305 	uint8_t i, socket_id;
306 	portid_t port_id;
307 	unsigned size;
308 	enum fieldnames {
309 		FLD_PORT = 0,
310 		FLD_SOCKET,
311 		_NUM_FLD
312 	};
313 	unsigned long int_fld[_NUM_FLD];
314 	char *str_fld[_NUM_FLD];
315 
316 	/* reset from value set at definition */
317 	while ((p = strchr(p0,'(')) != NULL) {
318 		++p;
319 		if((p0 = strchr(p,')')) == NULL)
320 			return -1;
321 
322 		size = p0 - p;
323 		if(size >= sizeof(s))
324 			return -1;
325 
326 		snprintf(s, sizeof(s), "%.*s", size, p);
327 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
328 			return -1;
329 		for (i = 0; i < _NUM_FLD; i++) {
330 			errno = 0;
331 			int_fld[i] = strtoul(str_fld[i], &end, 0);
332 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
333 				return -1;
334 		}
335 		port_id = (portid_t)int_fld[FLD_PORT];
336 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
337 			port_id == (portid_t)RTE_PORT_ALL) {
338 			print_valid_ports();
339 			return -1;
340 		}
341 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
342 		if (new_socket_id(socket_id)) {
343 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
344 				print_invalid_socket_id_error();
345 				return -1;
346 			}
347 			socket_ids[num_sockets++] = socket_id;
348 		}
349 		port_numa[port_id] = socket_id;
350 	}
351 
352 	return 0;
353 }
354 
355 static int
356 parse_ringnuma_config(const char *q_arg)
357 {
358 	char s[256];
359 	const char *p, *p0 = q_arg;
360 	char *end;
361 	uint8_t i, ring_flag, socket_id;
362 	portid_t port_id;
363 	unsigned size;
364 	enum fieldnames {
365 		FLD_PORT = 0,
366 		FLD_FLAG,
367 		FLD_SOCKET,
368 		_NUM_FLD
369 	};
370 	unsigned long int_fld[_NUM_FLD];
371 	char *str_fld[_NUM_FLD];
372 	#define RX_RING_ONLY 0x1
373 	#define TX_RING_ONLY 0x2
374 	#define RXTX_RING    0x3
375 
376 	/* reset from value set at definition */
377 	while ((p = strchr(p0,'(')) != NULL) {
378 		++p;
379 		if((p0 = strchr(p,')')) == NULL)
380 			return -1;
381 
382 		size = p0 - p;
383 		if(size >= sizeof(s))
384 			return -1;
385 
386 		snprintf(s, sizeof(s), "%.*s", size, p);
387 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
388 			return -1;
389 		for (i = 0; i < _NUM_FLD; i++) {
390 			errno = 0;
391 			int_fld[i] = strtoul(str_fld[i], &end, 0);
392 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
393 				return -1;
394 		}
395 		port_id = (portid_t)int_fld[FLD_PORT];
396 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
397 			port_id == (portid_t)RTE_PORT_ALL) {
398 			print_valid_ports();
399 			return -1;
400 		}
401 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
402 		if (new_socket_id(socket_id)) {
403 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
404 				print_invalid_socket_id_error();
405 				return -1;
406 			}
407 			socket_ids[num_sockets++] = socket_id;
408 		}
409 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
410 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
411 			fprintf(stderr,
412 				"Invalid ring-flag=%d config for port =%d\n",
413 				ring_flag,port_id);
414 			return -1;
415 		}
416 
417 		switch (ring_flag & RXTX_RING) {
418 		case RX_RING_ONLY:
419 			rxring_numa[port_id] = socket_id;
420 			break;
421 		case TX_RING_ONLY:
422 			txring_numa[port_id] = socket_id;
423 			break;
424 		case RXTX_RING:
425 			rxring_numa[port_id] = socket_id;
426 			txring_numa[port_id] = socket_id;
427 			break;
428 		default:
429 			fprintf(stderr,
430 				"Invalid ring-flag=%d config for port=%d\n",
431 				ring_flag,port_id);
432 			break;
433 		}
434 	}
435 
436 	return 0;
437 }
438 
439 static int
440 parse_event_printing_config(const char *optarg, int enable)
441 {
442 	uint32_t mask = 0;
443 
444 	if (!strcmp(optarg, "unknown"))
445 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
446 	else if (!strcmp(optarg, "intr_lsc"))
447 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
448 	else if (!strcmp(optarg, "queue_state"))
449 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
450 	else if (!strcmp(optarg, "intr_reset"))
451 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
452 	else if (!strcmp(optarg, "vf_mbox"))
453 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
454 	else if (!strcmp(optarg, "ipsec"))
455 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
456 	else if (!strcmp(optarg, "macsec"))
457 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
458 	else if (!strcmp(optarg, "intr_rmv"))
459 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
460 	else if (!strcmp(optarg, "dev_probed"))
461 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
462 	else if (!strcmp(optarg, "dev_released"))
463 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
464 	else if (!strcmp(optarg, "flow_aged"))
465 		mask = UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED;
466 	else if (!strcmp(optarg, "all"))
467 		mask = ~UINT32_C(0);
468 	else {
469 		fprintf(stderr, "Invalid event: %s\n", optarg);
470 		return -1;
471 	}
472 	if (enable)
473 		event_print_mask |= mask;
474 	else
475 		event_print_mask &= ~mask;
476 	return 0;
477 }
478 
479 static int
480 parse_xstats_list(const char *in_str, struct rte_eth_xstat_name **xstats,
481 		  unsigned int *xstats_num)
482 {
483 	int max_names_nb, names_nb, nonempty_names_nb;
484 	int name, nonempty_name;
485 	int stringlen;
486 	char **names;
487 	char *str;
488 	int ret;
489 	int i;
490 
491 	names = NULL;
492 	str = strdup(in_str);
493 	if (str == NULL) {
494 		ret = -ENOMEM;
495 		goto out;
496 	}
497 	stringlen = strlen(str);
498 
499 	for (i = 0, max_names_nb = 1; str[i] != '\0'; i++) {
500 		if (str[i] == ',')
501 			max_names_nb++;
502 	}
503 
504 	names = calloc(max_names_nb, sizeof(*names));
505 	if (names == NULL) {
506 		ret = -ENOMEM;
507 		goto out;
508 	}
509 
510 	names_nb = rte_strsplit(str, stringlen, names, max_names_nb, ',');
511 	if (names_nb < 0) {
512 		ret = -EINVAL;
513 		goto out;
514 	}
515 
516 	nonempty_names_nb = 0;
517 	for (i = 0; i < names_nb; i++) {
518 		if (names[i][0] == '\0')
519 			continue;
520 		nonempty_names_nb++;
521 	}
522 	*xstats = calloc(nonempty_names_nb, sizeof(**xstats));
523 	if (*xstats == NULL) {
524 		ret = -ENOMEM;
525 		goto out;
526 	}
527 
528 	for (name = nonempty_name = 0; name < names_nb; name++) {
529 		if (names[name][0] == '\0')
530 			continue;
531 		rte_strscpy((*xstats)[nonempty_name].name, names[name],
532 			    sizeof((*xstats)[nonempty_name].name));
533 		nonempty_name++;
534 	}
535 
536 	*xstats_num = nonempty_names_nb;
537 	ret = 0;
538 
539 out:
540 	free(names);
541 	free(str);
542 	return ret;
543 }
544 
545 static int
546 parse_link_speed(int n)
547 {
548 	uint32_t speed = RTE_ETH_LINK_SPEED_FIXED;
549 
550 	switch (n) {
551 	case 1000:
552 		speed |= RTE_ETH_LINK_SPEED_1G;
553 		break;
554 	case 10000:
555 		speed |= RTE_ETH_LINK_SPEED_10G;
556 		break;
557 	case 25000:
558 		speed |= RTE_ETH_LINK_SPEED_25G;
559 		break;
560 	case 40000:
561 		speed |= RTE_ETH_LINK_SPEED_40G;
562 		break;
563 	case 50000:
564 		speed |= RTE_ETH_LINK_SPEED_50G;
565 		break;
566 	case 100000:
567 		speed |= RTE_ETH_LINK_SPEED_100G;
568 		break;
569 	case 200000:
570 		speed |= RTE_ETH_LINK_SPEED_200G;
571 		break;
572 	case 100:
573 	case 10:
574 	default:
575 		fprintf(stderr, "Unsupported fixed speed\n");
576 		return 0;
577 	}
578 
579 	return speed;
580 }
581 
582 void
583 launch_args_parse(int argc, char** argv)
584 {
585 #define PARAM_PROC_ID "proc-id"
586 #define PARAM_NUM_PROCS "num-procs"
587 
588 	int n, opt;
589 	char **argvopt;
590 	int opt_idx;
591 	portid_t pid;
592 	enum { TX, RX };
593 	/* Default offloads for all ports. */
594 	uint64_t rx_offloads = rx_mode.offloads;
595 	uint64_t tx_offloads = tx_mode.offloads;
596 	struct rte_eth_dev_info dev_info;
597 	uint16_t rec_nb_pkts;
598 	int ret;
599 
600 	static struct option lgopts[] = {
601 		{ "help",			0, 0, 0 },
602 #ifdef RTE_LIB_CMDLINE
603 		{ "interactive",		0, 0, 0 },
604 		{ "cmdline-file",		1, 0, 0 },
605 		{ "auto-start",			0, 0, 0 },
606 		{ "eth-peers-configfile",	1, 0, 0 },
607 		{ "eth-peer",			1, 0, 0 },
608 #endif
609 		{ "tx-first",			0, 0, 0 },
610 		{ "stats-period",		1, 0, 0 },
611 		{ "display-xstats",		1, 0, 0 },
612 		{ "nb-cores",			1, 0, 0 },
613 		{ "nb-ports",			1, 0, 0 },
614 		{ "coremask",			1, 0, 0 },
615 		{ "portmask",			1, 0, 0 },
616 		{ "portlist",			1, 0, 0 },
617 		{ "numa",			0, 0, 0 },
618 		{ "no-numa",			0, 0, 0 },
619 		{ "mp-anon",			0, 0, 0 }, /* deprecated */
620 		{ "port-numa-config",           1, 0, 0 },
621 		{ "ring-numa-config",           1, 0, 0 },
622 		{ "socket-num",			1, 0, 0 },
623 		{ "mbuf-size",			1, 0, 0 },
624 		{ "total-num-mbufs",		1, 0, 0 },
625 		{ "max-pkt-len",		1, 0, 0 },
626 		{ "max-lro-pkt-size",		1, 0, 0 },
627 		{ "pkt-filter-mode",            1, 0, 0 },
628 		{ "pkt-filter-report-hash",     1, 0, 0 },
629 		{ "pkt-filter-size",            1, 0, 0 },
630 		{ "pkt-filter-drop-queue",      1, 0, 0 },
631 #ifdef RTE_LIB_LATENCYSTATS
632 		{ "latencystats",               1, 0, 0 },
633 #endif
634 #ifdef RTE_LIB_BITRATESTATS
635 		{ "bitrate-stats",              1, 0, 0 },
636 #endif
637 		{ "disable-crc-strip",          0, 0, 0 },
638 		{ "enable-lro",                 0, 0, 0 },
639 		{ "enable-rx-cksum",            0, 0, 0 },
640 		{ "enable-rx-timestamp",        0, 0, 0 },
641 		{ "enable-scatter",             0, 0, 0 },
642 		{ "enable-hw-vlan",             0, 0, 0 },
643 		{ "enable-hw-vlan-filter",      0, 0, 0 },
644 		{ "enable-hw-vlan-strip",       0, 0, 0 },
645 		{ "enable-hw-vlan-extend",      0, 0, 0 },
646 		{ "enable-hw-qinq-strip",       0, 0, 0 },
647 		{ "enable-drop-en",            0, 0, 0 },
648 		{ "disable-rss",                0, 0, 0 },
649 		{ "port-topology",              1, 0, 0 },
650 		{ "forward-mode",               1, 0, 0 },
651 		{ "rss-ip",			0, 0, 0 },
652 		{ "rss-udp",			0, 0, 0 },
653 		{ "rss-level-outer",		0, 0, 0 },
654 		{ "rss-level-inner",		0, 0, 0 },
655 		{ "rxq",			1, 0, 0 },
656 		{ "txq",			1, 0, 0 },
657 		{ "rxd",			1, 0, 0 },
658 		{ "txd",			1, 0, 0 },
659 		{ "hairpinq",			1, 0, 0 },
660 		{ "hairpin-mode",		1, 0, 0 },
661 		{ "burst",			1, 0, 0 },
662 		{ "flowgen-clones",		1, 0, 0 },
663 		{ "flowgen-flows",		1, 0, 0 },
664 		{ "mbcache",			1, 0, 0 },
665 		{ "txpt",			1, 0, 0 },
666 		{ "txht",			1, 0, 0 },
667 		{ "txwt",			1, 0, 0 },
668 		{ "txfreet",			1, 0, 0 },
669 		{ "txrst",			1, 0, 0 },
670 		{ "rxpt",			1, 0, 0 },
671 		{ "rxht",			1, 0, 0 },
672 		{ "rxwt",			1, 0, 0 },
673 		{ "rxfreet",                    1, 0, 0 },
674 		{ "no-flush-rx",	0, 0, 0 },
675 		{ "flow-isolate-all",	        0, 0, 0 },
676 		{ "rxoffs",			1, 0, 0 },
677 		{ "rxpkts",			1, 0, 0 },
678 		{ "txpkts",			1, 0, 0 },
679 		{ "txonly-multi-flow",		0, 0, 0 },
680 		{ "rxq-share",			2, 0, 0 },
681 		{ "eth-link-speed",		1, 0, 0 },
682 		{ "disable-link-check",		0, 0, 0 },
683 		{ "disable-device-start",	0, 0, 0 },
684 		{ "no-lsc-interrupt",		0, 0, 0 },
685 		{ "no-rmv-interrupt",		0, 0, 0 },
686 		{ "print-event",		1, 0, 0 },
687 		{ "mask-event",			1, 0, 0 },
688 		{ "tx-offloads",		1, 0, 0 },
689 		{ "rx-offloads",		1, 0, 0 },
690 		{ "hot-plug",			0, 0, 0 },
691 		{ "vxlan-gpe-port",		1, 0, 0 },
692 		{ "geneve-parsed-port",		1, 0, 0 },
693 #ifndef RTE_EXEC_ENV_WINDOWS
694 		{ "mlockall",			0, 0, 0 },
695 		{ "no-mlockall",		0, 0, 0 },
696 #endif
697 		{ "mp-alloc",			1, 0, 0 },
698 		{ "tx-ip",			1, 0, 0 },
699 		{ "tx-udp",			1, 0, 0 },
700 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
701 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
702 		{ "noisy-lkup-memory",		1, 0, 0 },
703 		{ "noisy-lkup-num-writes",	1, 0, 0 },
704 		{ "noisy-lkup-num-reads",	1, 0, 0 },
705 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
706 		{ "no-iova-contig",             0, 0, 0 },
707 		{ "rx-mq-mode",                 1, 0, 0 },
708 		{ "record-core-cycles",         0, 0, 0 },
709 		{ "record-burst-stats",         0, 0, 0 },
710 		{ PARAM_NUM_PROCS,              1, 0, 0 },
711 		{ PARAM_PROC_ID,                1, 0, 0 },
712 		{ 0, 0, 0, 0 },
713 	};
714 
715 	argvopt = argv;
716 
717 #ifdef RTE_LIB_CMDLINE
718 #define SHORTOPTS "i"
719 #else
720 #define SHORTOPTS ""
721 #endif
722 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
723 				 lgopts, &opt_idx)) != EOF) {
724 		switch (opt) {
725 #ifdef RTE_LIB_CMDLINE
726 		case 'i':
727 			printf("Interactive-mode selected\n");
728 			interactive = 1;
729 			break;
730 #endif
731 		case 'a':
732 			printf("Auto-start selected\n");
733 			auto_start = 1;
734 			break;
735 
736 		case 0: /*long options */
737 			if (!strcmp(lgopts[opt_idx].name, "help")) {
738 				usage(argv[0]);
739 				exit(EXIT_SUCCESS);
740 			}
741 #ifdef RTE_LIB_CMDLINE
742 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
743 				printf("Interactive-mode selected\n");
744 				interactive = 1;
745 			}
746 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
747 				printf("CLI commands to be read from %s\n",
748 				       optarg);
749 				strlcpy(cmdline_filename, optarg,
750 					sizeof(cmdline_filename));
751 			}
752 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
753 				printf("Auto-start selected\n");
754 				auto_start = 1;
755 			}
756 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
757 				printf("Ports to start sending a burst of "
758 						"packets first\n");
759 				tx_first = 1;
760 			}
761 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
762 				char *end = NULL;
763 				unsigned int n;
764 
765 				n = strtoul(optarg, &end, 10);
766 				if ((optarg[0] == '\0') || (end == NULL) ||
767 						(*end != '\0'))
768 					break;
769 
770 				stats_period = n;
771 				break;
772 			}
773 			if (!strcmp(lgopts[opt_idx].name, "display-xstats")) {
774 				char rc;
775 
776 				rc = parse_xstats_list(optarg, &xstats_display,
777 						       &xstats_display_num);
778 				if (rc != 0)
779 					rte_exit(EXIT_FAILURE,
780 						 "Failed to parse display-xstats argument: %d\n",
781 						 rc);
782 			}
783 			if (!strcmp(lgopts[opt_idx].name,
784 				    "eth-peers-configfile")) {
785 				if (init_peer_eth_addrs(optarg) != 0)
786 					rte_exit(EXIT_FAILURE,
787 						 "Cannot open logfile\n");
788 			}
789 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
790 				char *port_end;
791 
792 				errno = 0;
793 				n = strtoul(optarg, &port_end, 10);
794 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
795 					rte_exit(EXIT_FAILURE,
796 						 "Invalid eth-peer: %s", optarg);
797 				if (n >= RTE_MAX_ETHPORTS)
798 					rte_exit(EXIT_FAILURE,
799 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
800 						 n, RTE_MAX_ETHPORTS);
801 
802 				if (rte_ether_unformat_addr(port_end,
803 						&peer_eth_addrs[n]) < 0)
804 					rte_exit(EXIT_FAILURE,
805 						 "Invalid ethernet address: %s\n",
806 						 port_end);
807 				nb_peer_eth_addrs++;
808 			}
809 #endif
810 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
811 				struct in_addr in;
812 				char *end;
813 
814 				end = strchr(optarg, ',');
815 				if (end == optarg || !end)
816 					rte_exit(EXIT_FAILURE,
817 						 "Invalid tx-ip: %s", optarg);
818 
819 				*end++ = 0;
820 				if (inet_pton(AF_INET, optarg, &in) == 0)
821 					rte_exit(EXIT_FAILURE,
822 						 "Invalid source IP address: %s\n",
823 						 optarg);
824 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
825 
826 				if (inet_pton(AF_INET, end, &in) == 0)
827 					rte_exit(EXIT_FAILURE,
828 						 "Invalid destination IP address: %s\n",
829 						 optarg);
830 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
831 			}
832 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
833 				char *end = NULL;
834 
835 				errno = 0;
836 				n = strtoul(optarg, &end, 10);
837 				if (errno != 0 || end == optarg ||
838 				    n > UINT16_MAX ||
839 				    !(*end == '\0' || *end == ','))
840 					rte_exit(EXIT_FAILURE,
841 						 "Invalid UDP port: %s\n",
842 						 optarg);
843 				tx_udp_src_port = n;
844 				if (*end == ',') {
845 					char *dst = end + 1;
846 
847 					n = strtoul(dst, &end, 10);
848 					if (errno != 0 || end == dst ||
849 					    n > UINT16_MAX || *end)
850 						rte_exit(EXIT_FAILURE,
851 							 "Invalid destination UDP port: %s\n",
852 							 dst);
853 					tx_udp_dst_port = n;
854 				} else {
855 					tx_udp_dst_port = n;
856 				}
857 
858 			}
859 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
860 				n = atoi(optarg);
861 				if (n > 0 && n <= nb_ports)
862 					nb_fwd_ports = n;
863 				else
864 					rte_exit(EXIT_FAILURE,
865 						 "Invalid port %d\n", n);
866 			}
867 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
868 				n = atoi(optarg);
869 				if (n > 0 && n <= nb_lcores)
870 					nb_fwd_lcores = (uint8_t) n;
871 				else
872 					rte_exit(EXIT_FAILURE,
873 						 "nb-cores should be > 0 and <= %d\n",
874 						 nb_lcores);
875 			}
876 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
877 				parse_fwd_coremask(optarg);
878 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
879 				parse_fwd_portmask(optarg);
880 			if (!strcmp(lgopts[opt_idx].name, "portlist"))
881 				parse_fwd_portlist(optarg);
882 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
883 				numa_support = 0;
884 			if (!strcmp(lgopts[opt_idx].name, "numa"))
885 				numa_support = 1;
886 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
887 				mp_alloc_type = MP_ALLOC_ANON;
888 			}
889 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
890 				if (!strcmp(optarg, "native"))
891 					mp_alloc_type = MP_ALLOC_NATIVE;
892 				else if (!strcmp(optarg, "anon"))
893 					mp_alloc_type = MP_ALLOC_ANON;
894 				else if (!strcmp(optarg, "xmem"))
895 					mp_alloc_type = MP_ALLOC_XMEM;
896 				else if (!strcmp(optarg, "xmemhuge"))
897 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
898 				else if (!strcmp(optarg, "xbuf"))
899 					mp_alloc_type = MP_ALLOC_XBUF;
900 				else
901 					rte_exit(EXIT_FAILURE,
902 						"mp-alloc %s invalid - must be: "
903 						"native, anon, xmem or xmemhuge\n",
904 						 optarg);
905 			}
906 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
907 				if (parse_portnuma_config(optarg))
908 					rte_exit(EXIT_FAILURE,
909 					   "invalid port-numa configuration\n");
910 			}
911 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
912 				if (parse_ringnuma_config(optarg))
913 					rte_exit(EXIT_FAILURE,
914 					   "invalid ring-numa configuration\n");
915 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
916 				n = atoi(optarg);
917 				if (!new_socket_id((uint8_t)n)) {
918 					socket_num = (uint8_t)n;
919 				} else {
920 					print_invalid_socket_id_error();
921 					rte_exit(EXIT_FAILURE,
922 						"Invalid socket id");
923 				}
924 			}
925 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
926 				unsigned int mb_sz[MAX_SEGS_BUFFER_SPLIT];
927 				unsigned int nb_segs, i;
928 
929 				nb_segs = parse_item_list(optarg, "mbuf-size",
930 					MAX_SEGS_BUFFER_SPLIT, mb_sz, 0);
931 				if (nb_segs <= 0)
932 					rte_exit(EXIT_FAILURE,
933 						 "bad mbuf-size\n");
934 				for (i = 0; i < nb_segs; i++) {
935 					if (mb_sz[i] <= 0 || mb_sz[i] > 0xFFFF)
936 						rte_exit(EXIT_FAILURE,
937 							 "mbuf-size should be "
938 							 "> 0 and < 65536\n");
939 					mbuf_data_size[i] = (uint16_t) mb_sz[i];
940 				}
941 				mbuf_data_size_n = nb_segs;
942 			}
943 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
944 				n = atoi(optarg);
945 				if (n > MIN_TOTAL_NUM_MBUFS)
946 					param_total_num_mbufs = (unsigned)n;
947 				else
948 					rte_exit(EXIT_FAILURE,
949 						 "total-num-mbufs should be > %d\n",
950 						 MIN_TOTAL_NUM_MBUFS);
951 			}
952 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
953 				n = atoi(optarg);
954 				if (n >= RTE_ETHER_MIN_LEN)
955 					max_rx_pkt_len = n;
956 				else
957 					rte_exit(EXIT_FAILURE,
958 						 "Invalid max-pkt-len=%d - should be > %d\n",
959 						 n, RTE_ETHER_MIN_LEN);
960 			}
961 			if (!strcmp(lgopts[opt_idx].name, "max-lro-pkt-size")) {
962 				n = atoi(optarg);
963 				rx_mode.max_lro_pkt_size = (uint32_t) n;
964 			}
965 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
966 				if (!strcmp(optarg, "signature"))
967 					fdir_conf.mode =
968 						RTE_FDIR_MODE_SIGNATURE;
969 				else if (!strcmp(optarg, "perfect"))
970 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
971 				else if (!strcmp(optarg, "perfect-mac-vlan"))
972 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
973 				else if (!strcmp(optarg, "perfect-tunnel"))
974 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
975 				else if (!strcmp(optarg, "none"))
976 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
977 				else
978 					rte_exit(EXIT_FAILURE,
979 						 "pkt-mode-invalid %s invalid - must be: "
980 						 "none, signature, perfect, perfect-mac-vlan"
981 						 " or perfect-tunnel\n",
982 						 optarg);
983 			}
984 			if (!strcmp(lgopts[opt_idx].name,
985 				    "pkt-filter-report-hash")) {
986 				if (!strcmp(optarg, "none"))
987 					fdir_conf.status =
988 						RTE_FDIR_NO_REPORT_STATUS;
989 				else if (!strcmp(optarg, "match"))
990 					fdir_conf.status =
991 						RTE_FDIR_REPORT_STATUS;
992 				else if (!strcmp(optarg, "always"))
993 					fdir_conf.status =
994 						RTE_FDIR_REPORT_STATUS_ALWAYS;
995 				else
996 					rte_exit(EXIT_FAILURE,
997 						 "pkt-filter-report-hash %s invalid "
998 						 "- must be: none or match or always\n",
999 						 optarg);
1000 			}
1001 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
1002 				if (!strcmp(optarg, "64K"))
1003 					fdir_conf.pballoc =
1004 						RTE_ETH_FDIR_PBALLOC_64K;
1005 				else if (!strcmp(optarg, "128K"))
1006 					fdir_conf.pballoc =
1007 						RTE_ETH_FDIR_PBALLOC_128K;
1008 				else if (!strcmp(optarg, "256K"))
1009 					fdir_conf.pballoc =
1010 						RTE_ETH_FDIR_PBALLOC_256K;
1011 				else
1012 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
1013 						 " must be: 64K or 128K or 256K\n",
1014 						 optarg);
1015 			}
1016 			if (!strcmp(lgopts[opt_idx].name,
1017 				    "pkt-filter-drop-queue")) {
1018 				n = atoi(optarg);
1019 				if (n >= 0)
1020 					fdir_conf.drop_queue = (uint8_t) n;
1021 				else
1022 					rte_exit(EXIT_FAILURE,
1023 						 "drop queue %d invalid - must"
1024 						 "be >= 0 \n", n);
1025 			}
1026 #ifdef RTE_LIB_LATENCYSTATS
1027 			if (!strcmp(lgopts[opt_idx].name,
1028 				    "latencystats")) {
1029 				n = atoi(optarg);
1030 				if (n >= 0) {
1031 					latencystats_lcore_id = (lcoreid_t) n;
1032 					latencystats_enabled = 1;
1033 				} else
1034 					rte_exit(EXIT_FAILURE,
1035 						 "invalid lcore id %d for latencystats"
1036 						 " must be >= 0\n", n);
1037 			}
1038 #endif
1039 #ifdef RTE_LIB_BITRATESTATS
1040 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
1041 				n = atoi(optarg);
1042 				if (n >= 0) {
1043 					bitrate_lcore_id = (lcoreid_t) n;
1044 					bitrate_enabled = 1;
1045 				} else
1046 					rte_exit(EXIT_FAILURE,
1047 						 "invalid lcore id %d for bitrate stats"
1048 						 " must be >= 0\n", n);
1049 			}
1050 #endif
1051 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
1052 				rx_offloads |= RTE_ETH_RX_OFFLOAD_KEEP_CRC;
1053 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
1054 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TCP_LRO;
1055 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
1056 				rx_offloads |= RTE_ETH_RX_OFFLOAD_SCATTER;
1057 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
1058 				rx_offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM;
1059 			if (!strcmp(lgopts[opt_idx].name,
1060 					"enable-rx-timestamp"))
1061 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TIMESTAMP;
1062 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
1063 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN;
1064 
1065 			if (!strcmp(lgopts[opt_idx].name,
1066 					"enable-hw-vlan-filter"))
1067 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_FILTER;
1068 
1069 			if (!strcmp(lgopts[opt_idx].name,
1070 					"enable-hw-vlan-strip"))
1071 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
1072 
1073 			if (!strcmp(lgopts[opt_idx].name,
1074 					"enable-hw-vlan-extend"))
1075 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_EXTEND;
1076 
1077 			if (!strcmp(lgopts[opt_idx].name,
1078 					"enable-hw-qinq-strip"))
1079 				rx_offloads |= RTE_ETH_RX_OFFLOAD_QINQ_STRIP;
1080 
1081 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
1082 				rx_drop_en = 1;
1083 
1084 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
1085 				rss_hf = 0;
1086 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
1087 				if (!strcmp(optarg, "paired"))
1088 					port_topology = PORT_TOPOLOGY_PAIRED;
1089 				else if (!strcmp(optarg, "chained"))
1090 					port_topology = PORT_TOPOLOGY_CHAINED;
1091 				else if (!strcmp(optarg, "loop"))
1092 					port_topology = PORT_TOPOLOGY_LOOP;
1093 				else
1094 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
1095 						 " must be: paired, chained or loop\n",
1096 						 optarg);
1097 			}
1098 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
1099 				set_pkt_forwarding_mode(optarg);
1100 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
1101 				rss_hf = RTE_ETH_RSS_IP;
1102 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
1103 				rss_hf = RTE_ETH_RSS_UDP;
1104 			if (!strcmp(lgopts[opt_idx].name, "rss-level-inner"))
1105 				rss_hf |= RTE_ETH_RSS_LEVEL_INNERMOST;
1106 			if (!strcmp(lgopts[opt_idx].name, "rss-level-outer"))
1107 				rss_hf |= RTE_ETH_RSS_LEVEL_OUTERMOST;
1108 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
1109 				n = atoi(optarg);
1110 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
1111 					nb_rxq = (queueid_t) n;
1112 				else
1113 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
1114 						  " >= 0 && <= %u\n", n,
1115 						  get_allowed_max_nb_rxq(&pid));
1116 			}
1117 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
1118 				n = atoi(optarg);
1119 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
1120 					nb_txq = (queueid_t) n;
1121 				else
1122 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1123 						  " >= 0 && <= %u\n", n,
1124 						  get_allowed_max_nb_txq(&pid));
1125 			}
1126 			if (!strcmp(lgopts[opt_idx].name, "hairpinq")) {
1127 				n = atoi(optarg);
1128 				if (n >= 0 &&
1129 				    check_nb_hairpinq((queueid_t)n) == 0)
1130 					nb_hairpinq = (queueid_t) n;
1131 				else
1132 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1133 						  " >= 0 && <= %u\n", n,
1134 						  get_allowed_max_nb_hairpinq
1135 						  (&pid));
1136 				if ((n + nb_txq) < 0 ||
1137 				    check_nb_txq((queueid_t)(n + nb_txq)) != 0)
1138 					rte_exit(EXIT_FAILURE, "txq + hairpinq "
1139 						 "%d invalid - must be"
1140 						  " >= 0 && <= %u\n",
1141 						  n + nb_txq,
1142 						  get_allowed_max_nb_txq(&pid));
1143 				if ((n + nb_rxq) < 0 ||
1144 				    check_nb_rxq((queueid_t)(n + nb_rxq)) != 0)
1145 					rte_exit(EXIT_FAILURE, "rxq + hairpinq "
1146 						 "%d invalid - must be"
1147 						  " >= 0 && <= %u\n",
1148 						  n + nb_rxq,
1149 						  get_allowed_max_nb_rxq(&pid));
1150 			}
1151 			if (!nb_rxq && !nb_txq) {
1152 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
1153 						"be non-zero\n");
1154 			}
1155 			if (!strcmp(lgopts[opt_idx].name, "hairpin-mode")) {
1156 				char *end = NULL;
1157 				unsigned int n;
1158 
1159 				errno = 0;
1160 				n = strtoul(optarg, &end, 0);
1161 				if (errno != 0 || end == optarg)
1162 					rte_exit(EXIT_FAILURE, "hairpin mode invalid\n");
1163 				else
1164 					hairpin_mode = (uint16_t)n;
1165 			}
1166 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
1167 				n = atoi(optarg);
1168 				if (n == 0) {
1169 					/* A burst size of zero means that the
1170 					 * PMD should be queried for
1171 					 * recommended Rx burst size. Since
1172 					 * testpmd uses a single size for all
1173 					 * ports, port 0 is queried for the
1174 					 * value, on the assumption that all
1175 					 * ports are of the same NIC model.
1176 					 */
1177 					ret = eth_dev_info_get_print_err(
1178 								0,
1179 								&dev_info);
1180 					if (ret != 0)
1181 						return;
1182 
1183 					rec_nb_pkts = dev_info
1184 						.default_rxportconf.burst_size;
1185 
1186 					if (rec_nb_pkts == 0)
1187 						rte_exit(EXIT_FAILURE,
1188 							"PMD does not recommend a burst size. "
1189 							"Provided value must be between "
1190 							"1 and %d\n", MAX_PKT_BURST);
1191 					else if (rec_nb_pkts > MAX_PKT_BURST)
1192 						rte_exit(EXIT_FAILURE,
1193 							"PMD recommended burst size of %d"
1194 							" exceeds maximum value of %d\n",
1195 							rec_nb_pkts, MAX_PKT_BURST);
1196 					printf("Using PMD-provided burst value of %d\n",
1197 						rec_nb_pkts);
1198 					nb_pkt_per_burst = rec_nb_pkts;
1199 				} else if (n > MAX_PKT_BURST)
1200 					rte_exit(EXIT_FAILURE,
1201 						"burst must be between1 and %d\n",
1202 						MAX_PKT_BURST);
1203 				else
1204 					nb_pkt_per_burst = (uint16_t) n;
1205 			}
1206 			if (!strcmp(lgopts[opt_idx].name, "flowgen-clones")) {
1207 				n = atoi(optarg);
1208 				if (n >= 0)
1209 					nb_pkt_flowgen_clones = (uint16_t) n;
1210 				else
1211 					rte_exit(EXIT_FAILURE,
1212 						 "clones must be >= 0 and <= current burst\n");
1213 			}
1214 			if (!strcmp(lgopts[opt_idx].name, "flowgen-flows")) {
1215 				n = atoi(optarg);
1216 				if (n > 0)
1217 					nb_flows_flowgen = (int) n;
1218 				else
1219 					rte_exit(EXIT_FAILURE,
1220 						 "flows must be >= 1\n");
1221 			}
1222 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1223 				n = atoi(optarg);
1224 				if ((n >= 0) &&
1225 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1226 					mb_mempool_cache = (uint16_t) n;
1227 				else
1228 					rte_exit(EXIT_FAILURE,
1229 						 "mbcache must be >= 0 and <= %d\n",
1230 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1231 			}
1232 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1233 				n = atoi(optarg);
1234 				if (n >= 0)
1235 					tx_free_thresh = (int16_t)n;
1236 				else
1237 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1238 			}
1239 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1240 				n = atoi(optarg);
1241 				if (n >= 0)
1242 					tx_rs_thresh = (int16_t)n;
1243 				else
1244 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1245 			}
1246 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1247 				n = atoi(optarg);
1248 				if (n > 0) {
1249 					if (rx_free_thresh >= n)
1250 						rte_exit(EXIT_FAILURE,
1251 							 "rxd must be > "
1252 							 "rx_free_thresh(%d)\n",
1253 							 (int)rx_free_thresh);
1254 					else
1255 						nb_rxd = (uint16_t) n;
1256 				} else
1257 					rte_exit(EXIT_FAILURE,
1258 						 "rxd(%d) invalid - must be > 0\n",
1259 						 n);
1260 			}
1261 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1262 				n = atoi(optarg);
1263 				if (n > 0)
1264 					nb_txd = (uint16_t) n;
1265 				else
1266 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1267 			}
1268 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1269 				n = atoi(optarg);
1270 				if (n >= 0)
1271 					tx_pthresh = (int8_t)n;
1272 				else
1273 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1274 			}
1275 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1276 				n = atoi(optarg);
1277 				if (n >= 0)
1278 					tx_hthresh = (int8_t)n;
1279 				else
1280 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1281 			}
1282 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1283 				n = atoi(optarg);
1284 				if (n >= 0)
1285 					tx_wthresh = (int8_t)n;
1286 				else
1287 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1288 			}
1289 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1290 				n = atoi(optarg);
1291 				if (n >= 0)
1292 					rx_pthresh = (int8_t)n;
1293 				else
1294 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1295 			}
1296 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1297 				n = atoi(optarg);
1298 				if (n >= 0)
1299 					rx_hthresh = (int8_t)n;
1300 				else
1301 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1302 			}
1303 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1304 				n = atoi(optarg);
1305 				if (n >= 0)
1306 					rx_wthresh = (int8_t)n;
1307 				else
1308 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1309 			}
1310 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1311 				n = atoi(optarg);
1312 				if (n >= 0)
1313 					rx_free_thresh = (int16_t)n;
1314 				else
1315 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1316 			}
1317 			if (!strcmp(lgopts[opt_idx].name, "rxoffs")) {
1318 				unsigned int seg_off[MAX_SEGS_BUFFER_SPLIT];
1319 				unsigned int nb_offs;
1320 
1321 				nb_offs = parse_item_list
1322 						(optarg, "rxpkt offsets",
1323 						 MAX_SEGS_BUFFER_SPLIT,
1324 						 seg_off, 0);
1325 				if (nb_offs > 0)
1326 					set_rx_pkt_offsets(seg_off, nb_offs);
1327 				else
1328 					rte_exit(EXIT_FAILURE, "bad rxoffs\n");
1329 			}
1330 			if (!strcmp(lgopts[opt_idx].name, "rxpkts")) {
1331 				unsigned int seg_len[MAX_SEGS_BUFFER_SPLIT];
1332 				unsigned int nb_segs;
1333 
1334 				nb_segs = parse_item_list
1335 						(optarg, "rxpkt segments",
1336 						 MAX_SEGS_BUFFER_SPLIT,
1337 						 seg_len, 0);
1338 				if (nb_segs > 0)
1339 					set_rx_pkt_segments(seg_len, nb_segs);
1340 				else
1341 					rte_exit(EXIT_FAILURE, "bad rxpkts\n");
1342 			}
1343 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1344 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1345 				unsigned int nb_segs;
1346 
1347 				nb_segs = parse_item_list(optarg, "txpkt segments",
1348 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1349 				if (nb_segs > 0)
1350 					set_tx_pkt_segments(seg_lengths, nb_segs);
1351 				else
1352 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1353 			}
1354 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1355 				txonly_multi_flow = 1;
1356 			if (!strcmp(lgopts[opt_idx].name, "rxq-share")) {
1357 				if (optarg == NULL) {
1358 					rxq_share = UINT32_MAX;
1359 				} else {
1360 					n = atoi(optarg);
1361 					if (n >= 0)
1362 						rxq_share = (uint32_t)n;
1363 					else
1364 						rte_exit(EXIT_FAILURE, "rxq-share must be >= 0\n");
1365 				}
1366 			}
1367 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1368 				no_flush_rx = 1;
1369 			if (!strcmp(lgopts[opt_idx].name, "eth-link-speed")) {
1370 				n = atoi(optarg);
1371 				if (n >= 0 && parse_link_speed(n) > 0)
1372 					eth_link_speed = parse_link_speed(n);
1373 			}
1374 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1375 				no_link_check = 1;
1376 			if (!strcmp(lgopts[opt_idx].name, "disable-device-start"))
1377 				no_device_start = 1;
1378 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1379 				lsc_interrupt = 0;
1380 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1381 				rmv_interrupt = 0;
1382 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1383 				flow_isolate_all = 1;
1384 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1385 				char *end = NULL;
1386 				n = strtoull(optarg, &end, 16);
1387 				if (n >= 0)
1388 					tx_offloads = (uint64_t)n;
1389 				else
1390 					rte_exit(EXIT_FAILURE,
1391 						 "tx-offloads must be >= 0\n");
1392 			}
1393 
1394 			if (!strcmp(lgopts[opt_idx].name, "rx-offloads")) {
1395 				char *end = NULL;
1396 				n = strtoull(optarg, &end, 16);
1397 				if (n >= 0)
1398 					rx_offloads = (uint64_t)n;
1399 				else
1400 					rte_exit(EXIT_FAILURE,
1401 						 "rx-offloads must be >= 0\n");
1402 			}
1403 
1404 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1405 				n = atoi(optarg);
1406 				if (n >= 0)
1407 					vxlan_gpe_udp_port = (uint16_t)n;
1408 				else
1409 					rte_exit(EXIT_FAILURE,
1410 						 "vxlan-gpe-port must be >= 0\n");
1411 			}
1412 			if (!strcmp(lgopts[opt_idx].name,
1413 				    "geneve-parsed-port")) {
1414 				n = atoi(optarg);
1415 				if (n >= 0)
1416 					geneve_udp_port = (uint16_t)n;
1417 				else
1418 					rte_exit(EXIT_FAILURE,
1419 						 "geneve-parsed-port must be >= 0\n");
1420 			}
1421 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1422 				if (parse_event_printing_config(optarg, 1)) {
1423 					rte_exit(EXIT_FAILURE,
1424 						 "invalid print-event argument\n");
1425 				}
1426 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1427 				if (parse_event_printing_config(optarg, 0)) {
1428 					rte_exit(EXIT_FAILURE,
1429 						 "invalid mask-event argument\n");
1430 				}
1431 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1432 				hot_plug = 1;
1433 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1434 				do_mlockall = 1;
1435 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1436 				do_mlockall = 0;
1437 			if (!strcmp(lgopts[opt_idx].name,
1438 				    "noisy-tx-sw-buffer-size")) {
1439 				n = atoi(optarg);
1440 				if (n >= 0)
1441 					noisy_tx_sw_bufsz = n;
1442 				else
1443 					rte_exit(EXIT_FAILURE,
1444 						"noisy-tx-sw-buffer-size must be >= 0\n");
1445 			}
1446 			if (!strcmp(lgopts[opt_idx].name,
1447 				    "noisy-tx-sw-buffer-flushtime")) {
1448 				n = atoi(optarg);
1449 				if (n >= 0)
1450 					noisy_tx_sw_buf_flush_time = n;
1451 				else
1452 					rte_exit(EXIT_FAILURE,
1453 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1454 			}
1455 			if (!strcmp(lgopts[opt_idx].name,
1456 				    "noisy-lkup-memory")) {
1457 				n = atoi(optarg);
1458 				if (n >= 0)
1459 					noisy_lkup_mem_sz = n;
1460 				else
1461 					rte_exit(EXIT_FAILURE,
1462 						 "noisy-lkup-memory must be >= 0\n");
1463 			}
1464 			if (!strcmp(lgopts[opt_idx].name,
1465 				    "noisy-lkup-num-writes")) {
1466 				n = atoi(optarg);
1467 				if (n >= 0)
1468 					noisy_lkup_num_writes = n;
1469 				else
1470 					rte_exit(EXIT_FAILURE,
1471 						 "noisy-lkup-num-writes must be >= 0\n");
1472 			}
1473 			if (!strcmp(lgopts[opt_idx].name,
1474 				    "noisy-lkup-num-reads")) {
1475 				n = atoi(optarg);
1476 				if (n >= 0)
1477 					noisy_lkup_num_reads = n;
1478 				else
1479 					rte_exit(EXIT_FAILURE,
1480 						 "noisy-lkup-num-reads must be >= 0\n");
1481 			}
1482 			if (!strcmp(lgopts[opt_idx].name,
1483 				    "noisy-lkup-num-reads-writes")) {
1484 				n = atoi(optarg);
1485 				if (n >= 0)
1486 					noisy_lkup_num_reads_writes = n;
1487 				else
1488 					rte_exit(EXIT_FAILURE,
1489 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1490 			}
1491 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1492 				mempool_flags = RTE_MEMPOOL_F_NO_IOVA_CONTIG;
1493 
1494 			if (!strcmp(lgopts[opt_idx].name, "rx-mq-mode")) {
1495 				char *end = NULL;
1496 				n = strtoul(optarg, &end, 16);
1497 				if (n >= 0 && n <= RTE_ETH_MQ_RX_VMDQ_DCB_RSS)
1498 					rx_mq_mode = (enum rte_eth_rx_mq_mode)n;
1499 				else
1500 					rte_exit(EXIT_FAILURE,
1501 						 "rx-mq-mode must be >= 0 and <= %d\n",
1502 						 RTE_ETH_MQ_RX_VMDQ_DCB_RSS);
1503 			}
1504 			if (!strcmp(lgopts[opt_idx].name, "record-core-cycles"))
1505 				record_core_cycles = 1;
1506 			if (!strcmp(lgopts[opt_idx].name, "record-burst-stats"))
1507 				record_burst_stats = 1;
1508 			if (!strcmp(lgopts[opt_idx].name, PARAM_NUM_PROCS))
1509 				num_procs = atoi(optarg);
1510 			if (!strcmp(lgopts[opt_idx].name, PARAM_PROC_ID))
1511 				proc_id = atoi(optarg);
1512 			break;
1513 		case 'h':
1514 			usage(argv[0]);
1515 			exit(EXIT_SUCCESS);
1516 			break;
1517 		default:
1518 			usage(argv[0]);
1519 			fprintf(stderr, "Invalid option: %s\n", argv[optind]);
1520 			rte_exit(EXIT_FAILURE,
1521 				 "Command line is incomplete or incorrect\n");
1522 			break;
1523 		}
1524 	}
1525 
1526 	if (optind != argc) {
1527 		usage(argv[0]);
1528 		fprintf(stderr, "Invalid parameter: %s\n", argv[optind]);
1529 		rte_exit(EXIT_FAILURE, "Command line is incorrect\n");
1530 	}
1531 
1532 	if (proc_id >= (int)num_procs)
1533 		rte_exit(EXIT_FAILURE,
1534 			 "The multi-process option '%s(%d)' should be less than '%s(%u)'\n",
1535 			 PARAM_PROC_ID, proc_id,
1536 			 PARAM_NUM_PROCS, num_procs);
1537 
1538 	/* Set offload configuration from command line parameters. */
1539 	rx_mode.offloads = rx_offloads;
1540 	tx_mode.offloads = tx_offloads;
1541 
1542 	if (mempool_flags & RTE_MEMPOOL_F_NO_IOVA_CONTIG &&
1543 	    mp_alloc_type != MP_ALLOC_ANON) {
1544 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1545 				  "mp-alloc=anon. mempool no-iova-contig is "
1546 				  "ignored\n");
1547 		mempool_flags = 0;
1548 	}
1549 }
1550