xref: /dpdk/app/test-pmd/parameters.c (revision 592ab76f9f0f41993bebb44da85c37750a93ece9)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4 
5 #include <errno.h>
6 #include <getopt.h>
7 #include <stdarg.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <signal.h>
11 #include <string.h>
12 #include <time.h>
13 #include <fcntl.h>
14 #include <sys/types.h>
15 
16 #include <sys/queue.h>
17 #include <sys/stat.h>
18 
19 #include <stdint.h>
20 #include <unistd.h>
21 #include <inttypes.h>
22 
23 #include <rte_common.h>
24 #include <rte_byteorder.h>
25 #include <rte_log.h>
26 #include <rte_debug.h>
27 #include <rte_cycles.h>
28 #include <rte_memory.h>
29 #include <rte_launch.h>
30 #include <rte_eal.h>
31 #include <rte_per_lcore.h>
32 #include <rte_lcore.h>
33 #include <rte_branch_prediction.h>
34 #include <rte_mempool.h>
35 #include <rte_interrupts.h>
36 #include <rte_pci.h>
37 #include <rte_ether.h>
38 #include <rte_ethdev.h>
39 #include <rte_string_fns.h>
40 #include <rte_flow.h>
41 
42 #include "testpmd.h"
43 
44 static void
45 usage(char* progname)
46 {
47 	printf("\nUsage: %s [EAL options] -- [testpmd options]\n\n",
48 	       progname);
49 #ifdef RTE_LIB_CMDLINE
50 	printf("  --interactive: run in interactive mode.\n");
51 	printf("  --cmdline-file: execute cli commands before startup.\n");
52 #endif
53 	printf("  --auto-start: start forwarding on init "
54 	       "[always when non-interactive].\n");
55 	printf("  --help: display this message and quit.\n");
56 	printf("  --tx-first: start forwarding sending a burst first "
57 	       "(only if interactive is disabled).\n");
58 	printf("  --stats-period=PERIOD: statistics will be shown "
59 	       "every PERIOD seconds (only if interactive is disabled).\n");
60 	printf("  --display-xstats xstat_name1[,...]: comma-separated list of "
61 	       "extended statistics to show. Used with --stats-period "
62 	       "specified or interactive commands that show Rx/Tx statistics "
63 	       "(i.e. 'show port stats').\n");
64 	printf("  --nb-cores=N: set the number of forwarding cores "
65 	       "(1 <= N <= %d).\n", nb_lcores);
66 	printf("  --nb-ports=N: set the number of forwarding ports "
67 	       "(1 <= N <= %d).\n", nb_ports);
68 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
69 	       "the packet forwarding test. The main lcore is reserved for "
70 	       "command line parsing only, and cannot be masked on for "
71 	       "packet forwarding.\n");
72 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
73 	       "by the packet forwarding test.\n");
74 	printf("  --portlist=PORTLIST: list of forwarding ports\n");
75 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
76 	       "RX memory buffers (mbufs).\n");
77 	printf("  --no-numa: disable NUMA-aware allocation.\n");
78 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
79 	       "specify the socket on which the memory pool "
80 	       "used by the port will be allocated.\n");
81 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
82 	       "specify the socket on which the TX/RX rings for "
83 	       "the port will be allocated "
84 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
85 	printf("  --socket-num=N: set socket from which all memory is allocated "
86 	       "in NUMA mode.\n");
87 	printf("  --mbuf-size=N,[N1[,..Nn]: set the data size of mbuf to "
88 	       "N bytes. If multiple numbers are specified the extra pools "
89 	       "will be created to receive with packet split features\n");
90 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
91 	       "in mbuf pools.\n");
92 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
93 	printf("  --max-lro-pkt-size=N: set the maximum LRO aggregated packet "
94 	       "size to N bytes.\n");
95 #ifdef RTE_LIB_CMDLINE
96 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
97 	       "of peer ports.\n");
98 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
99 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
100 #endif
101 	printf("  --pkt-filter-mode=N: set Flow Director mode "
102 	       "(N: none (default mode) or signature or perfect).\n");
103 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
104 	       "(N: none  or match (default) or always).\n");
105 	printf("  --pkt-filter-size=N: set Flow Director mode "
106 	       "(N: 64K (default mode) or 128K or 256K).\n");
107 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
108 	       "In perfect mode, when you add a rule with queue = -1 "
109 	       "the packet will be enqueued into the rx drop-queue. "
110 	       "If the drop-queue doesn't exist, the packet is dropped. "
111 	       "By default drop-queue=127.\n");
112 #ifdef RTE_LIB_LATENCYSTATS
113 	printf("  --latencystats=N: enable latency and jitter statistics "
114 	       "monitoring on forwarding lcore id N.\n");
115 #endif
116 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
117 	printf("  --enable-scatter: enable scattered Rx.\n");
118 	printf("  --enable-lro: enable large receive offload.\n");
119 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
120 	printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
121 	printf("  --enable-hw-vlan: enable hardware vlan.\n");
122 	printf("  --enable-hw-vlan-filter: enable hardware vlan filter.\n");
123 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
124 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
125 	printf("  --enable-hw-qinq-strip: enable hardware qinq strip.\n");
126 	printf("  --enable-drop-en: enable per queue packet drop.\n");
127 	printf("  --disable-rss: disable rss.\n");
128 	printf("  --port-topology=<paired|chained|loop>: set port topology (paired "
129 	       "is default).\n");
130 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
131 	       list_pkt_forwarding_modes());
132 	printf("  --forward-mode=5tswap: set forwarding mode to "
133 			"swap L2,L3,L4 for MAC, IPv4/IPv6 and TCP/UDP only.\n");
134 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
135 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
136 	printf("  --rss-level-inner: set RSS hash level to innermost\n");
137 	printf("  --rss-level-outer: set RSS hash level to outermost\n");
138 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
139 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
140 	printf("  --txq=N: set the number of TX queues per port to N.\n");
141 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
142 	printf("  --hairpinq=N: set the number of hairpin queues per port to "
143 	       "N.\n");
144 	printf("  --burst=N: set the number of packets per burst to N.\n");
145 	printf("  --flowgen-clones=N: set the number of single packet clones to send in flowgen mode. Should be less than burst value.\n");
146 	printf("  --flowgen-flows=N: set the number of flows in flowgen mode to N (1 <= N <= INT32_MAX).\n");
147 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
148 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
149 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
150 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
151 	       "(0 <= N < value of rxd).\n");
152 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
153 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
154 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
155 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
156 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
157 	       "(0 <= N <= value of txd).\n");
158 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
159 	       "(0 <= N <= value of txd).\n");
160 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
161 	       " Used mainly with PCAP drivers.\n");
162 	printf("  --rxoffs=X[,Y]*: set RX segment offsets for split.\n");
163 	printf("  --rxpkts=X[,Y]*: set RX segment sizes to split.\n");
164 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
165 		" or total packet length.\n");
166 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
167 	printf("  --tx-ip=src,dst: IP addresses in Tx-only mode\n");
168 	printf("  --tx-udp=src[,dst]: UDP ports in Tx-only mode\n");
169 	printf("  --eth-link-speed: force link speed.\n");
170 	printf("  --rxq-share=X: number of ports per shared Rx queue groups, defaults to UINT32_MAX (1 group)\n");
171 	printf("  --disable-link-check: disable check on link status when "
172 	       "starting/stopping ports.\n");
173 	printf("  --disable-device-start: do not automatically start port\n");
174 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
175 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
176 	printf("  --bitrate-stats=N: set the logical core N to perform "
177 		"bit-rate calculation.\n");
178 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
179 	       "enable print of designated event or all of them.\n");
180 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
181 	       "disable print of designated event or all of them.\n");
182 	printf("  --flow-isolate-all: "
183 	       "requests flow API isolated mode on all ports at initialization time.\n");
184 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
185 	printf("  --rx-offloads=0xXXXXXXXX: hexadecimal bitmask of RX queue offloads\n");
186 	printf("  --hot-plug: enable hot plug for device.\n");
187 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
188 	printf("  --geneve-parsed-port=N: UPD port to parse GENEVE tunnel protocol\n");
189 #ifndef RTE_EXEC_ENV_WINDOWS
190 	printf("  --mlockall: lock all memory\n");
191 	printf("  --no-mlockall: do not lock all memory\n");
192 #endif
193 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
194 	       "    native: use regular DPDK memory to create and populate mempool\n"
195 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
196 	       "    xmem: use anonymous memory to create and populate mempool\n"
197 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
198 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
199 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
200 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
201 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
202 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
203 	printf("  --noisy-lkup-num-reads-writes=N: do N random reads and writes per packet\n");
204 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
205 	       "valid only with --mp-alloc=anon\n");
206 	printf("  --rx-mq-mode=0xX: hexadecimal bitmask of RX mq mode can be "
207 	       "enabled\n");
208 	printf("  --record-core-cycles: enable measurement of CPU cycles.\n");
209 	printf("  --record-burst-stats: enable display of RX and TX bursts.\n");
210 	printf("  --hairpin-mode=0xXX: bitmask set the hairpin port mode.\n"
211 	       "    0x10 - explicit Tx rule, 0x02 - hairpin ports paired\n"
212 	       "    0x01 - hairpin ports loop, 0x00 - hairpin port self\n");
213 }
214 
215 #ifdef RTE_LIB_CMDLINE
216 static int
217 init_peer_eth_addrs(const char *config_filename)
218 {
219 	FILE *config_file;
220 	portid_t i;
221 	char buf[50];
222 
223 	config_file = fopen(config_filename, "r");
224 	if (config_file == NULL) {
225 		perror("Failed to open eth config file\n");
226 		return -1;
227 	}
228 
229 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
230 
231 		if (fgets(buf, sizeof(buf), config_file) == NULL)
232 			break;
233 
234 		if (rte_ether_unformat_addr(buf, &peer_eth_addrs[i]) < 0) {
235 			fprintf(stderr, "Bad MAC address format on line %d\n",
236 				i + 1);
237 			fclose(config_file);
238 			return -1;
239 		}
240 	}
241 	fclose(config_file);
242 	nb_peer_eth_addrs = (portid_t) i;
243 	return 0;
244 }
245 #endif
246 
247 /*
248  * Parse the coremask given as argument (hexadecimal string) and set
249  * the global configuration of forwarding cores.
250  */
251 static void
252 parse_fwd_coremask(const char *coremask)
253 {
254 	char *end;
255 	unsigned long long int cm;
256 
257 	/* parse hexadecimal string */
258 	end = NULL;
259 	cm = strtoull(coremask, &end, 16);
260 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
261 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
262 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
263 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
264 }
265 
266 /*
267  * Parse the coremask given as argument (hexadecimal string) and set
268  * the global configuration of forwarding cores.
269  */
270 static void
271 parse_fwd_portmask(const char *portmask)
272 {
273 	char *end;
274 	unsigned long long int pm;
275 
276 	/* parse hexadecimal string */
277 	end = NULL;
278 	pm = strtoull(portmask, &end, 16);
279 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
280 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
281 	else
282 		set_fwd_ports_mask((uint64_t) pm);
283 }
284 
285 static void
286 print_invalid_socket_id_error(void)
287 {
288 	unsigned int i = 0;
289 
290 	fprintf(stderr, "Invalid socket id, options are: ");
291 	for (i = 0; i < num_sockets; i++) {
292 		fprintf(stderr, "%u%s", socket_ids[i],
293 			(i == num_sockets - 1) ? "\n" : ",");
294 	}
295 }
296 
297 static int
298 parse_portnuma_config(const char *q_arg)
299 {
300 	char s[256];
301 	const char *p, *p0 = q_arg;
302 	char *end;
303 	uint8_t i, socket_id;
304 	portid_t port_id;
305 	unsigned size;
306 	enum fieldnames {
307 		FLD_PORT = 0,
308 		FLD_SOCKET,
309 		_NUM_FLD
310 	};
311 	unsigned long int_fld[_NUM_FLD];
312 	char *str_fld[_NUM_FLD];
313 
314 	/* reset from value set at definition */
315 	while ((p = strchr(p0,'(')) != NULL) {
316 		++p;
317 		if((p0 = strchr(p,')')) == NULL)
318 			return -1;
319 
320 		size = p0 - p;
321 		if(size >= sizeof(s))
322 			return -1;
323 
324 		snprintf(s, sizeof(s), "%.*s", size, p);
325 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
326 			return -1;
327 		for (i = 0; i < _NUM_FLD; i++) {
328 			errno = 0;
329 			int_fld[i] = strtoul(str_fld[i], &end, 0);
330 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
331 				return -1;
332 		}
333 		port_id = (portid_t)int_fld[FLD_PORT];
334 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
335 			port_id == (portid_t)RTE_PORT_ALL) {
336 			print_valid_ports();
337 			return -1;
338 		}
339 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
340 		if (new_socket_id(socket_id)) {
341 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
342 				print_invalid_socket_id_error();
343 				return -1;
344 			}
345 			socket_ids[num_sockets++] = socket_id;
346 		}
347 		port_numa[port_id] = socket_id;
348 	}
349 
350 	return 0;
351 }
352 
353 static int
354 parse_ringnuma_config(const char *q_arg)
355 {
356 	char s[256];
357 	const char *p, *p0 = q_arg;
358 	char *end;
359 	uint8_t i, ring_flag, socket_id;
360 	portid_t port_id;
361 	unsigned size;
362 	enum fieldnames {
363 		FLD_PORT = 0,
364 		FLD_FLAG,
365 		FLD_SOCKET,
366 		_NUM_FLD
367 	};
368 	unsigned long int_fld[_NUM_FLD];
369 	char *str_fld[_NUM_FLD];
370 	#define RX_RING_ONLY 0x1
371 	#define TX_RING_ONLY 0x2
372 	#define RXTX_RING    0x3
373 
374 	/* reset from value set at definition */
375 	while ((p = strchr(p0,'(')) != NULL) {
376 		++p;
377 		if((p0 = strchr(p,')')) == NULL)
378 			return -1;
379 
380 		size = p0 - p;
381 		if(size >= sizeof(s))
382 			return -1;
383 
384 		snprintf(s, sizeof(s), "%.*s", size, p);
385 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
386 			return -1;
387 		for (i = 0; i < _NUM_FLD; i++) {
388 			errno = 0;
389 			int_fld[i] = strtoul(str_fld[i], &end, 0);
390 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
391 				return -1;
392 		}
393 		port_id = (portid_t)int_fld[FLD_PORT];
394 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
395 			port_id == (portid_t)RTE_PORT_ALL) {
396 			print_valid_ports();
397 			return -1;
398 		}
399 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
400 		if (new_socket_id(socket_id)) {
401 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
402 				print_invalid_socket_id_error();
403 				return -1;
404 			}
405 			socket_ids[num_sockets++] = socket_id;
406 		}
407 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
408 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
409 			fprintf(stderr,
410 				"Invalid ring-flag=%d config for port =%d\n",
411 				ring_flag,port_id);
412 			return -1;
413 		}
414 
415 		switch (ring_flag & RXTX_RING) {
416 		case RX_RING_ONLY:
417 			rxring_numa[port_id] = socket_id;
418 			break;
419 		case TX_RING_ONLY:
420 			txring_numa[port_id] = socket_id;
421 			break;
422 		case RXTX_RING:
423 			rxring_numa[port_id] = socket_id;
424 			txring_numa[port_id] = socket_id;
425 			break;
426 		default:
427 			fprintf(stderr,
428 				"Invalid ring-flag=%d config for port=%d\n",
429 				ring_flag,port_id);
430 			break;
431 		}
432 	}
433 
434 	return 0;
435 }
436 
437 static int
438 parse_event_printing_config(const char *optarg, int enable)
439 {
440 	uint32_t mask = 0;
441 
442 	if (!strcmp(optarg, "unknown"))
443 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
444 	else if (!strcmp(optarg, "intr_lsc"))
445 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
446 	else if (!strcmp(optarg, "queue_state"))
447 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
448 	else if (!strcmp(optarg, "intr_reset"))
449 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
450 	else if (!strcmp(optarg, "vf_mbox"))
451 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
452 	else if (!strcmp(optarg, "ipsec"))
453 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
454 	else if (!strcmp(optarg, "macsec"))
455 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
456 	else if (!strcmp(optarg, "intr_rmv"))
457 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
458 	else if (!strcmp(optarg, "dev_probed"))
459 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
460 	else if (!strcmp(optarg, "dev_released"))
461 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
462 	else if (!strcmp(optarg, "flow_aged"))
463 		mask = UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED;
464 	else if (!strcmp(optarg, "all"))
465 		mask = ~UINT32_C(0);
466 	else {
467 		fprintf(stderr, "Invalid event: %s\n", optarg);
468 		return -1;
469 	}
470 	if (enable)
471 		event_print_mask |= mask;
472 	else
473 		event_print_mask &= ~mask;
474 	return 0;
475 }
476 
477 static int
478 parse_xstats_list(const char *in_str, struct rte_eth_xstat_name **xstats,
479 		  unsigned int *xstats_num)
480 {
481 	int max_names_nb, names_nb, nonempty_names_nb;
482 	int name, nonempty_name;
483 	int stringlen;
484 	char **names;
485 	char *str;
486 	int ret;
487 	int i;
488 
489 	names = NULL;
490 	str = strdup(in_str);
491 	if (str == NULL) {
492 		ret = -ENOMEM;
493 		goto out;
494 	}
495 	stringlen = strlen(str);
496 
497 	for (i = 0, max_names_nb = 1; str[i] != '\0'; i++) {
498 		if (str[i] == ',')
499 			max_names_nb++;
500 	}
501 
502 	names = calloc(max_names_nb, sizeof(*names));
503 	if (names == NULL) {
504 		ret = -ENOMEM;
505 		goto out;
506 	}
507 
508 	names_nb = rte_strsplit(str, stringlen, names, max_names_nb, ',');
509 	if (names_nb < 0) {
510 		ret = -EINVAL;
511 		goto out;
512 	}
513 
514 	nonempty_names_nb = 0;
515 	for (i = 0; i < names_nb; i++) {
516 		if (names[i][0] == '\0')
517 			continue;
518 		nonempty_names_nb++;
519 	}
520 	*xstats = calloc(nonempty_names_nb, sizeof(**xstats));
521 	if (*xstats == NULL) {
522 		ret = -ENOMEM;
523 		goto out;
524 	}
525 
526 	for (name = nonempty_name = 0; name < names_nb; name++) {
527 		if (names[name][0] == '\0')
528 			continue;
529 		rte_strscpy((*xstats)[nonempty_name].name, names[name],
530 			    sizeof((*xstats)[nonempty_name].name));
531 		nonempty_name++;
532 	}
533 
534 	*xstats_num = nonempty_names_nb;
535 	ret = 0;
536 
537 out:
538 	free(names);
539 	free(str);
540 	return ret;
541 }
542 
543 static int
544 parse_link_speed(int n)
545 {
546 	uint32_t speed = RTE_ETH_LINK_SPEED_FIXED;
547 
548 	switch (n) {
549 	case 1000:
550 		speed |= RTE_ETH_LINK_SPEED_1G;
551 		break;
552 	case 10000:
553 		speed |= RTE_ETH_LINK_SPEED_10G;
554 		break;
555 	case 25000:
556 		speed |= RTE_ETH_LINK_SPEED_25G;
557 		break;
558 	case 40000:
559 		speed |= RTE_ETH_LINK_SPEED_40G;
560 		break;
561 	case 50000:
562 		speed |= RTE_ETH_LINK_SPEED_50G;
563 		break;
564 	case 100000:
565 		speed |= RTE_ETH_LINK_SPEED_100G;
566 		break;
567 	case 200000:
568 		speed |= RTE_ETH_LINK_SPEED_200G;
569 		break;
570 	case 100:
571 	case 10:
572 	default:
573 		fprintf(stderr, "Unsupported fixed speed\n");
574 		return 0;
575 	}
576 
577 	return speed;
578 }
579 
580 void
581 launch_args_parse(int argc, char** argv)
582 {
583 #define PARAM_PROC_ID "proc-id"
584 #define PARAM_NUM_PROCS "num-procs"
585 
586 	int n, opt;
587 	char **argvopt;
588 	int opt_idx;
589 	portid_t pid;
590 	enum { TX, RX };
591 	/* Default offloads for all ports. */
592 	uint64_t rx_offloads = rx_mode.offloads;
593 	uint64_t tx_offloads = tx_mode.offloads;
594 	struct rte_eth_dev_info dev_info;
595 	uint16_t rec_nb_pkts;
596 	int ret;
597 
598 	static struct option lgopts[] = {
599 		{ "help",			0, 0, 0 },
600 #ifdef RTE_LIB_CMDLINE
601 		{ "interactive",		0, 0, 0 },
602 		{ "cmdline-file",		1, 0, 0 },
603 		{ "auto-start",			0, 0, 0 },
604 		{ "eth-peers-configfile",	1, 0, 0 },
605 		{ "eth-peer",			1, 0, 0 },
606 #endif
607 		{ "tx-first",			0, 0, 0 },
608 		{ "stats-period",		1, 0, 0 },
609 		{ "display-xstats",		1, 0, 0 },
610 		{ "nb-cores",			1, 0, 0 },
611 		{ "nb-ports",			1, 0, 0 },
612 		{ "coremask",			1, 0, 0 },
613 		{ "portmask",			1, 0, 0 },
614 		{ "portlist",			1, 0, 0 },
615 		{ "numa",			0, 0, 0 },
616 		{ "no-numa",			0, 0, 0 },
617 		{ "mp-anon",			0, 0, 0 }, /* deprecated */
618 		{ "port-numa-config",           1, 0, 0 },
619 		{ "ring-numa-config",           1, 0, 0 },
620 		{ "socket-num",			1, 0, 0 },
621 		{ "mbuf-size",			1, 0, 0 },
622 		{ "total-num-mbufs",		1, 0, 0 },
623 		{ "max-pkt-len",		1, 0, 0 },
624 		{ "max-lro-pkt-size",		1, 0, 0 },
625 		{ "pkt-filter-mode",            1, 0, 0 },
626 		{ "pkt-filter-report-hash",     1, 0, 0 },
627 		{ "pkt-filter-size",            1, 0, 0 },
628 		{ "pkt-filter-drop-queue",      1, 0, 0 },
629 #ifdef RTE_LIB_LATENCYSTATS
630 		{ "latencystats",               1, 0, 0 },
631 #endif
632 #ifdef RTE_LIB_BITRATESTATS
633 		{ "bitrate-stats",              1, 0, 0 },
634 #endif
635 		{ "disable-crc-strip",          0, 0, 0 },
636 		{ "enable-lro",                 0, 0, 0 },
637 		{ "enable-rx-cksum",            0, 0, 0 },
638 		{ "enable-rx-timestamp",        0, 0, 0 },
639 		{ "enable-scatter",             0, 0, 0 },
640 		{ "enable-hw-vlan",             0, 0, 0 },
641 		{ "enable-hw-vlan-filter",      0, 0, 0 },
642 		{ "enable-hw-vlan-strip",       0, 0, 0 },
643 		{ "enable-hw-vlan-extend",      0, 0, 0 },
644 		{ "enable-hw-qinq-strip",       0, 0, 0 },
645 		{ "enable-drop-en",            0, 0, 0 },
646 		{ "disable-rss",                0, 0, 0 },
647 		{ "port-topology",              1, 0, 0 },
648 		{ "forward-mode",               1, 0, 0 },
649 		{ "rss-ip",			0, 0, 0 },
650 		{ "rss-udp",			0, 0, 0 },
651 		{ "rss-level-outer",		0, 0, 0 },
652 		{ "rss-level-inner",		0, 0, 0 },
653 		{ "rxq",			1, 0, 0 },
654 		{ "txq",			1, 0, 0 },
655 		{ "rxd",			1, 0, 0 },
656 		{ "txd",			1, 0, 0 },
657 		{ "hairpinq",			1, 0, 0 },
658 		{ "hairpin-mode",		1, 0, 0 },
659 		{ "burst",			1, 0, 0 },
660 		{ "flowgen-clones",		1, 0, 0 },
661 		{ "flowgen-flows",		1, 0, 0 },
662 		{ "mbcache",			1, 0, 0 },
663 		{ "txpt",			1, 0, 0 },
664 		{ "txht",			1, 0, 0 },
665 		{ "txwt",			1, 0, 0 },
666 		{ "txfreet",			1, 0, 0 },
667 		{ "txrst",			1, 0, 0 },
668 		{ "rxpt",			1, 0, 0 },
669 		{ "rxht",			1, 0, 0 },
670 		{ "rxwt",			1, 0, 0 },
671 		{ "rxfreet",                    1, 0, 0 },
672 		{ "no-flush-rx",	0, 0, 0 },
673 		{ "flow-isolate-all",	        0, 0, 0 },
674 		{ "rxoffs",			1, 0, 0 },
675 		{ "rxpkts",			1, 0, 0 },
676 		{ "txpkts",			1, 0, 0 },
677 		{ "txonly-multi-flow",		0, 0, 0 },
678 		{ "rxq-share",			2, 0, 0 },
679 		{ "eth-link-speed",		1, 0, 0 },
680 		{ "disable-link-check",		0, 0, 0 },
681 		{ "disable-device-start",	0, 0, 0 },
682 		{ "no-lsc-interrupt",		0, 0, 0 },
683 		{ "no-rmv-interrupt",		0, 0, 0 },
684 		{ "print-event",		1, 0, 0 },
685 		{ "mask-event",			1, 0, 0 },
686 		{ "tx-offloads",		1, 0, 0 },
687 		{ "rx-offloads",		1, 0, 0 },
688 		{ "hot-plug",			0, 0, 0 },
689 		{ "vxlan-gpe-port",		1, 0, 0 },
690 		{ "geneve-parsed-port",		1, 0, 0 },
691 #ifndef RTE_EXEC_ENV_WINDOWS
692 		{ "mlockall",			0, 0, 0 },
693 		{ "no-mlockall",		0, 0, 0 },
694 #endif
695 		{ "mp-alloc",			1, 0, 0 },
696 		{ "tx-ip",			1, 0, 0 },
697 		{ "tx-udp",			1, 0, 0 },
698 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
699 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
700 		{ "noisy-lkup-memory",		1, 0, 0 },
701 		{ "noisy-lkup-num-writes",	1, 0, 0 },
702 		{ "noisy-lkup-num-reads",	1, 0, 0 },
703 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
704 		{ "no-iova-contig",             0, 0, 0 },
705 		{ "rx-mq-mode",                 1, 0, 0 },
706 		{ "record-core-cycles",         0, 0, 0 },
707 		{ "record-burst-stats",         0, 0, 0 },
708 		{ PARAM_NUM_PROCS,              1, 0, 0 },
709 		{ PARAM_PROC_ID,                1, 0, 0 },
710 		{ 0, 0, 0, 0 },
711 	};
712 
713 	argvopt = argv;
714 
715 #ifdef RTE_LIB_CMDLINE
716 #define SHORTOPTS "i"
717 #else
718 #define SHORTOPTS ""
719 #endif
720 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
721 				 lgopts, &opt_idx)) != EOF) {
722 		switch (opt) {
723 #ifdef RTE_LIB_CMDLINE
724 		case 'i':
725 			printf("Interactive-mode selected\n");
726 			interactive = 1;
727 			break;
728 #endif
729 		case 'a':
730 			printf("Auto-start selected\n");
731 			auto_start = 1;
732 			break;
733 
734 		case 0: /*long options */
735 			if (!strcmp(lgopts[opt_idx].name, "help")) {
736 				usage(argv[0]);
737 				exit(EXIT_SUCCESS);
738 			}
739 #ifdef RTE_LIB_CMDLINE
740 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
741 				printf("Interactive-mode selected\n");
742 				interactive = 1;
743 			}
744 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
745 				printf("CLI commands to be read from %s\n",
746 				       optarg);
747 				strlcpy(cmdline_filename, optarg,
748 					sizeof(cmdline_filename));
749 			}
750 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
751 				printf("Auto-start selected\n");
752 				auto_start = 1;
753 			}
754 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
755 				printf("Ports to start sending a burst of "
756 						"packets first\n");
757 				tx_first = 1;
758 			}
759 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
760 				char *end = NULL;
761 				unsigned int n;
762 
763 				n = strtoul(optarg, &end, 10);
764 				if ((optarg[0] == '\0') || (end == NULL) ||
765 						(*end != '\0'))
766 					break;
767 
768 				stats_period = n;
769 				break;
770 			}
771 			if (!strcmp(lgopts[opt_idx].name, "display-xstats")) {
772 				char rc;
773 
774 				rc = parse_xstats_list(optarg, &xstats_display,
775 						       &xstats_display_num);
776 				if (rc != 0)
777 					rte_exit(EXIT_FAILURE,
778 						 "Failed to parse display-xstats argument: %d\n",
779 						 rc);
780 			}
781 			if (!strcmp(lgopts[opt_idx].name,
782 				    "eth-peers-configfile")) {
783 				if (init_peer_eth_addrs(optarg) != 0)
784 					rte_exit(EXIT_FAILURE,
785 						 "Cannot open logfile\n");
786 			}
787 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
788 				char *port_end;
789 
790 				errno = 0;
791 				n = strtoul(optarg, &port_end, 10);
792 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
793 					rte_exit(EXIT_FAILURE,
794 						 "Invalid eth-peer: %s", optarg);
795 				if (n >= RTE_MAX_ETHPORTS)
796 					rte_exit(EXIT_FAILURE,
797 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
798 						 n, RTE_MAX_ETHPORTS);
799 
800 				if (rte_ether_unformat_addr(port_end,
801 						&peer_eth_addrs[n]) < 0)
802 					rte_exit(EXIT_FAILURE,
803 						 "Invalid ethernet address: %s\n",
804 						 port_end);
805 				nb_peer_eth_addrs++;
806 			}
807 #endif
808 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
809 				struct in_addr in;
810 				char *end;
811 
812 				end = strchr(optarg, ',');
813 				if (end == optarg || !end)
814 					rte_exit(EXIT_FAILURE,
815 						 "Invalid tx-ip: %s", optarg);
816 
817 				*end++ = 0;
818 				if (inet_pton(AF_INET, optarg, &in) == 0)
819 					rte_exit(EXIT_FAILURE,
820 						 "Invalid source IP address: %s\n",
821 						 optarg);
822 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
823 
824 				if (inet_pton(AF_INET, end, &in) == 0)
825 					rte_exit(EXIT_FAILURE,
826 						 "Invalid destination IP address: %s\n",
827 						 optarg);
828 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
829 			}
830 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
831 				char *end = NULL;
832 
833 				errno = 0;
834 				n = strtoul(optarg, &end, 10);
835 				if (errno != 0 || end == optarg ||
836 				    n > UINT16_MAX ||
837 				    !(*end == '\0' || *end == ','))
838 					rte_exit(EXIT_FAILURE,
839 						 "Invalid UDP port: %s\n",
840 						 optarg);
841 				tx_udp_src_port = n;
842 				if (*end == ',') {
843 					char *dst = end + 1;
844 
845 					n = strtoul(dst, &end, 10);
846 					if (errno != 0 || end == dst ||
847 					    n > UINT16_MAX || *end)
848 						rte_exit(EXIT_FAILURE,
849 							 "Invalid destination UDP port: %s\n",
850 							 dst);
851 					tx_udp_dst_port = n;
852 				} else {
853 					tx_udp_dst_port = n;
854 				}
855 
856 			}
857 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
858 				n = atoi(optarg);
859 				if (n > 0 && n <= nb_ports)
860 					nb_fwd_ports = n;
861 				else
862 					rte_exit(EXIT_FAILURE,
863 						 "Invalid port %d\n", n);
864 			}
865 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
866 				n = atoi(optarg);
867 				if (n > 0 && n <= nb_lcores)
868 					nb_fwd_lcores = (uint8_t) n;
869 				else
870 					rte_exit(EXIT_FAILURE,
871 						 "nb-cores should be > 0 and <= %d\n",
872 						 nb_lcores);
873 			}
874 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
875 				parse_fwd_coremask(optarg);
876 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
877 				parse_fwd_portmask(optarg);
878 			if (!strcmp(lgopts[opt_idx].name, "portlist"))
879 				parse_fwd_portlist(optarg);
880 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
881 				numa_support = 0;
882 			if (!strcmp(lgopts[opt_idx].name, "numa"))
883 				numa_support = 1;
884 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
885 				mp_alloc_type = MP_ALLOC_ANON;
886 			}
887 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
888 				if (!strcmp(optarg, "native"))
889 					mp_alloc_type = MP_ALLOC_NATIVE;
890 				else if (!strcmp(optarg, "anon"))
891 					mp_alloc_type = MP_ALLOC_ANON;
892 				else if (!strcmp(optarg, "xmem"))
893 					mp_alloc_type = MP_ALLOC_XMEM;
894 				else if (!strcmp(optarg, "xmemhuge"))
895 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
896 				else if (!strcmp(optarg, "xbuf"))
897 					mp_alloc_type = MP_ALLOC_XBUF;
898 				else
899 					rte_exit(EXIT_FAILURE,
900 						"mp-alloc %s invalid - must be: "
901 						"native, anon, xmem or xmemhuge\n",
902 						 optarg);
903 			}
904 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
905 				if (parse_portnuma_config(optarg))
906 					rte_exit(EXIT_FAILURE,
907 					   "invalid port-numa configuration\n");
908 			}
909 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
910 				if (parse_ringnuma_config(optarg))
911 					rte_exit(EXIT_FAILURE,
912 					   "invalid ring-numa configuration\n");
913 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
914 				n = atoi(optarg);
915 				if (!new_socket_id((uint8_t)n)) {
916 					socket_num = (uint8_t)n;
917 				} else {
918 					print_invalid_socket_id_error();
919 					rte_exit(EXIT_FAILURE,
920 						"Invalid socket id");
921 				}
922 			}
923 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
924 				unsigned int mb_sz[MAX_SEGS_BUFFER_SPLIT];
925 				unsigned int nb_segs, i;
926 
927 				nb_segs = parse_item_list(optarg, "mbuf-size",
928 					MAX_SEGS_BUFFER_SPLIT, mb_sz, 0);
929 				if (nb_segs <= 0)
930 					rte_exit(EXIT_FAILURE,
931 						 "bad mbuf-size\n");
932 				for (i = 0; i < nb_segs; i++) {
933 					if (mb_sz[i] <= 0 || mb_sz[i] > 0xFFFF)
934 						rte_exit(EXIT_FAILURE,
935 							 "mbuf-size should be "
936 							 "> 0 and < 65536\n");
937 					mbuf_data_size[i] = (uint16_t) mb_sz[i];
938 				}
939 				mbuf_data_size_n = nb_segs;
940 			}
941 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
942 				n = atoi(optarg);
943 				if (n > MIN_TOTAL_NUM_MBUFS)
944 					param_total_num_mbufs = (unsigned)n;
945 				else
946 					rte_exit(EXIT_FAILURE,
947 						 "total-num-mbufs should be > %d\n",
948 						 MIN_TOTAL_NUM_MBUFS);
949 			}
950 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
951 				n = atoi(optarg);
952 				if (n >= RTE_ETHER_MIN_LEN)
953 					max_rx_pkt_len = n;
954 				else
955 					rte_exit(EXIT_FAILURE,
956 						 "Invalid max-pkt-len=%d - should be > %d\n",
957 						 n, RTE_ETHER_MIN_LEN);
958 			}
959 			if (!strcmp(lgopts[opt_idx].name, "max-lro-pkt-size")) {
960 				n = atoi(optarg);
961 				rx_mode.max_lro_pkt_size = (uint32_t) n;
962 			}
963 			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