xref: /dpdk/app/test-pmd/parameters.c (revision daa02b5cddbb8e11b31d41e2bf7bb1ae64dcae2f)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4 
5 #include <errno.h>
6 #include <getopt.h>
7 #include <stdarg.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <signal.h>
11 #include <string.h>
12 #include <time.h>
13 #include <fcntl.h>
14 #include <sys/types.h>
15 
16 #include <sys/queue.h>
17 #include <sys/stat.h>
18 
19 #include <stdint.h>
20 #include <unistd.h>
21 #include <inttypes.h>
22 
23 #include <rte_common.h>
24 #include <rte_byteorder.h>
25 #include <rte_log.h>
26 #include <rte_debug.h>
27 #include <rte_cycles.h>
28 #include <rte_memory.h>
29 #include <rte_launch.h>
30 #include <rte_eal.h>
31 #include <rte_per_lcore.h>
32 #include <rte_lcore.h>
33 #include <rte_atomic.h>
34 #include <rte_branch_prediction.h>
35 #include <rte_mempool.h>
36 #include <rte_interrupts.h>
37 #include <rte_pci.h>
38 #include <rte_ether.h>
39 #include <rte_ethdev.h>
40 #include <rte_string_fns.h>
41 #ifdef RTE_NET_BOND
42 #include <rte_eth_bond.h>
43 #endif
44 #include <rte_flow.h>
45 
46 #include "testpmd.h"
47 
48 static void
49 usage(char* progname)
50 {
51 	printf("\nUsage: %s [EAL options] -- [testpmd options]\n\n",
52 	       progname);
53 #ifdef RTE_LIB_CMDLINE
54 	printf("  --interactive: run in interactive mode.\n");
55 	printf("  --cmdline-file: execute cli commands before startup.\n");
56 #endif
57 	printf("  --auto-start: start forwarding on init "
58 	       "[always when non-interactive].\n");
59 	printf("  --help: display this message and quit.\n");
60 	printf("  --tx-first: start forwarding sending a burst first "
61 	       "(only if interactive is disabled).\n");
62 	printf("  --stats-period=PERIOD: statistics will be shown "
63 	       "every PERIOD seconds (only if interactive is disabled).\n");
64 	printf("  --display-xstats xstat_name1[,...]: comma-separated list of "
65 	       "extended statistics to show. Used with --stats-period "
66 	       "specified or interactive commands that show Rx/Tx statistics "
67 	       "(i.e. 'show port stats').\n");
68 	printf("  --nb-cores=N: set the number of forwarding cores "
69 	       "(1 <= N <= %d).\n", nb_lcores);
70 	printf("  --nb-ports=N: set the number of forwarding ports "
71 	       "(1 <= N <= %d).\n", nb_ports);
72 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
73 	       "the packet forwarding test. The main lcore is reserved for "
74 	       "command line parsing only, and cannot be masked on for "
75 	       "packet forwarding.\n");
76 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
77 	       "by the packet forwarding test.\n");
78 	printf("  --portlist=PORTLIST: list of forwarding ports\n");
79 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
80 	       "RX memory buffers (mbufs).\n");
81 	printf("  --no-numa: disable NUMA-aware allocation.\n");
82 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
83 	       "specify the socket on which the memory pool "
84 	       "used by the port will be allocated.\n");
85 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
86 	       "specify the socket on which the TX/RX rings for "
87 	       "the port will be allocated "
88 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
89 	printf("  --socket-num=N: set socket from which all memory is allocated "
90 	       "in NUMA mode.\n");
91 	printf("  --mbuf-size=N,[N1[,..Nn]: set the data size of mbuf to "
92 	       "N bytes. If multiple numbers are specified the extra pools "
93 	       "will be created to receive with packet split features\n");
94 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
95 	       "in mbuf pools.\n");
96 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
97 	printf("  --max-lro-pkt-size=N: set the maximum LRO aggregated packet "
98 	       "size to N bytes.\n");
99 #ifdef RTE_LIB_CMDLINE
100 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
101 	       "of peer ports.\n");
102 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
103 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
104 #endif
105 	printf("  --pkt-filter-mode=N: set Flow Director mode "
106 	       "(N: none (default mode) or signature or perfect).\n");
107 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
108 	       "(N: none  or match (default) or always).\n");
109 	printf("  --pkt-filter-size=N: set Flow Director mode "
110 	       "(N: 64K (default mode) or 128K or 256K).\n");
111 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
112 	       "In perfect mode, when you add a rule with queue = -1 "
113 	       "the packet will be enqueued into the rx drop-queue. "
114 	       "If the drop-queue doesn't exist, the packet is dropped. "
115 	       "By default drop-queue=127.\n");
116 #ifdef RTE_LIB_LATENCYSTATS
117 	printf("  --latencystats=N: enable latency and jitter statistcs "
118 	       "monitoring on forwarding lcore id N.\n");
119 #endif
120 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
121 	printf("  --enable-scatter: enable scattered Rx.\n");
122 	printf("  --enable-lro: enable large receive offload.\n");
123 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
124 	printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
125 	printf("  --enable-hw-vlan: enable hardware vlan.\n");
126 	printf("  --enable-hw-vlan-filter: enable hardware vlan filter.\n");
127 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
128 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
129 	printf("  --enable-hw-qinq-strip: enable hardware qinq strip.\n");
130 	printf("  --enable-drop-en: enable per queue packet drop.\n");
131 	printf("  --disable-rss: disable rss.\n");
132 	printf("  --port-topology=<paired|chained|loop>: set port topology (paired "
133 	       "is default).\n");
134 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
135 	       list_pkt_forwarding_modes());
136 	printf("  --forward-mode=5tswap: set forwarding mode to "
137 			"swap L2,L3,L4 for MAC, IPv4/IPv6 and TCP/UDP only.\n");
138 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
139 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
140 	printf("  --rss-level-inner: set RSS hash level to innermost\n");
141 	printf("  --rss-level-outer: set RSS hash level to outermost\n");
142 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
143 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
144 	printf("  --txq=N: set the number of TX queues per port to N.\n");
145 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
146 	printf("  --hairpinq=N: set the number of hairpin queues per port to "
147 	       "N.\n");
148 	printf("  --burst=N: set the number of packets per burst to N.\n");
149 	printf("  --flowgen-clones=N: set the number of single packet clones to send in flowgen mode. Should be less than burst value.\n");
150 	printf("  --flowgen-flows=N: set the number of flows in flowgen mode to N (1 <= N <= INT32_MAX).\n");
151 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
152 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
153 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
154 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
155 	       "(0 <= N < value of rxd).\n");
156 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
157 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
158 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
159 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
160 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
161 	       "(0 <= N <= value of txd).\n");
162 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
163 	       "(0 <= N <= value of txd).\n");
164 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
165 	       " Used mainly with PCAP drivers.\n");
166 	printf("  --rxoffs=X[,Y]*: set RX segment offsets for split.\n");
167 	printf("  --rxpkts=X[,Y]*: set RX segment sizes to split.\n");
168 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
169 		" or total packet length.\n");
170 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
171 	printf("  --tx-ip=src,dst: IP addresses in Tx-only mode\n");
172 	printf("  --tx-udp=src[,dst]: UDP ports in Tx-only mode\n");
173 	printf("  --eth-link-speed: force link speed.\n");
174 	printf("  --rxq-share=X: number of ports per shared Rx queue groups, defaults to UINT32_MAX (1 group)\n");
175 	printf("  --disable-link-check: disable check on link status when "
176 	       "starting/stopping ports.\n");
177 	printf("  --disable-device-start: do not automatically start port\n");
178 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
179 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
180 	printf("  --bitrate-stats=N: set the logical core N to perform "
181 		"bit-rate calculation.\n");
182 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
183 	       "enable print of designated event or all of them.\n");
184 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
185 	       "disable print of designated event or all of them.\n");
186 	printf("  --flow-isolate-all: "
187 	       "requests flow API isolated mode on all ports at initialization time.\n");
188 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
189 	printf("  --rx-offloads=0xXXXXXXXX: hexadecimal bitmask of RX queue offloads\n");
190 	printf("  --hot-plug: enable hot plug for device.\n");
191 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
192 	printf("  --geneve-parsed-port=N: UPD port to parse GENEVE tunnel protocol\n");
193 #ifndef RTE_EXEC_ENV_WINDOWS
194 	printf("  --mlockall: lock all memory\n");
195 	printf("  --no-mlockall: do not lock all memory\n");
196 #endif
197 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
198 	       "    native: use regular DPDK memory to create and populate mempool\n"
199 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
200 	       "    xmem: use anonymous memory to create and populate mempool\n"
201 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
202 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
203 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
204 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
205 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
206 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
207 	printf("  --noisy-lkup-num-reads-writes=N: do N random reads and writes per packet\n");
208 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
209 	       "valid only with --mp-alloc=anon\n");
210 	printf("  --rx-mq-mode=0xX: hexadecimal bitmask of RX mq mode can be "
211 	       "enabled\n");
212 	printf("  --record-core-cycles: enable measurement of CPU cycles.\n");
213 	printf("  --record-burst-stats: enable display of RX and TX bursts.\n");
214 	printf("  --hairpin-mode=0xXX: bitmask set the hairpin port mode.\n"
215 	       "    0x10 - explicit Tx rule, 0x02 - hairpin ports paired\n"
216 	       "    0x01 - hairpin ports loop, 0x00 - hairpin port self\n");
217 }
218 
219 #ifdef RTE_LIB_CMDLINE
220 static int
221 init_peer_eth_addrs(const char *config_filename)
222 {
223 	FILE *config_file;
224 	portid_t i;
225 	char buf[50];
226 
227 	config_file = fopen(config_filename, "r");
228 	if (config_file == NULL) {
229 		perror("Failed to open eth config file\n");
230 		return -1;
231 	}
232 
233 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
234 
235 		if (fgets(buf, sizeof(buf), config_file) == NULL)
236 			break;
237 
238 		if (rte_ether_unformat_addr(buf, &peer_eth_addrs[i]) < 0) {
239 			fprintf(stderr, "Bad MAC address format on line %d\n",
240 				i + 1);
241 			fclose(config_file);
242 			return -1;
243 		}
244 	}
245 	fclose(config_file);
246 	nb_peer_eth_addrs = (portid_t) i;
247 	return 0;
248 }
249 #endif
250 
251 /*
252  * Parse the coremask given as argument (hexadecimal string) and set
253  * the global configuration of forwarding cores.
254  */
255 static void
256 parse_fwd_coremask(const char *coremask)
257 {
258 	char *end;
259 	unsigned long long int cm;
260 
261 	/* parse hexadecimal string */
262 	end = NULL;
263 	cm = strtoull(coremask, &end, 16);
264 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
265 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
266 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
267 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
268 }
269 
270 /*
271  * Parse the coremask given as argument (hexadecimal string) and set
272  * the global configuration of forwarding cores.
273  */
274 static void
275 parse_fwd_portmask(const char *portmask)
276 {
277 	char *end;
278 	unsigned long long int pm;
279 
280 	/* parse hexadecimal string */
281 	end = NULL;
282 	pm = strtoull(portmask, &end, 16);
283 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
284 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
285 	else
286 		set_fwd_ports_mask((uint64_t) pm);
287 }
288 
289 static void
290 print_invalid_socket_id_error(void)
291 {
292 	unsigned int i = 0;
293 
294 	fprintf(stderr, "Invalid socket id, options are: ");
295 	for (i = 0; i < num_sockets; i++) {
296 		fprintf(stderr, "%u%s", socket_ids[i],
297 			(i == num_sockets - 1) ? "\n" : ",");
298 	}
299 }
300 
301 static int
302 parse_portnuma_config(const char *q_arg)
303 {
304 	char s[256];
305 	const char *p, *p0 = q_arg;
306 	char *end;
307 	uint8_t i, socket_id;
308 	portid_t port_id;
309 	unsigned size;
310 	enum fieldnames {
311 		FLD_PORT = 0,
312 		FLD_SOCKET,
313 		_NUM_FLD
314 	};
315 	unsigned long int_fld[_NUM_FLD];
316 	char *str_fld[_NUM_FLD];
317 
318 	/* reset from value set at definition */
319 	while ((p = strchr(p0,'(')) != NULL) {
320 		++p;
321 		if((p0 = strchr(p,')')) == NULL)
322 			return -1;
323 
324 		size = p0 - p;
325 		if(size >= sizeof(s))
326 			return -1;
327 
328 		snprintf(s, sizeof(s), "%.*s", size, p);
329 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
330 			return -1;
331 		for (i = 0; i < _NUM_FLD; i++) {
332 			errno = 0;
333 			int_fld[i] = strtoul(str_fld[i], &end, 0);
334 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
335 				return -1;
336 		}
337 		port_id = (portid_t)int_fld[FLD_PORT];
338 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
339 			port_id == (portid_t)RTE_PORT_ALL) {
340 			print_valid_ports();
341 			return -1;
342 		}
343 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
344 		if (new_socket_id(socket_id)) {
345 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
346 				print_invalid_socket_id_error();
347 				return -1;
348 			}
349 			socket_ids[num_sockets++] = socket_id;
350 		}
351 		port_numa[port_id] = socket_id;
352 	}
353 
354 	return 0;
355 }
356 
357 static int
358 parse_ringnuma_config(const char *q_arg)
359 {
360 	char s[256];
361 	const char *p, *p0 = q_arg;
362 	char *end;
363 	uint8_t i, ring_flag, socket_id;
364 	portid_t port_id;
365 	unsigned size;
366 	enum fieldnames {
367 		FLD_PORT = 0,
368 		FLD_FLAG,
369 		FLD_SOCKET,
370 		_NUM_FLD
371 	};
372 	unsigned long int_fld[_NUM_FLD];
373 	char *str_fld[_NUM_FLD];
374 	#define RX_RING_ONLY 0x1
375 	#define TX_RING_ONLY 0x2
376 	#define RXTX_RING    0x3
377 
378 	/* reset from value set at definition */
379 	while ((p = strchr(p0,'(')) != NULL) {
380 		++p;
381 		if((p0 = strchr(p,')')) == NULL)
382 			return -1;
383 
384 		size = p0 - p;
385 		if(size >= sizeof(s))
386 			return -1;
387 
388 		snprintf(s, sizeof(s), "%.*s", size, p);
389 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
390 			return -1;
391 		for (i = 0; i < _NUM_FLD; i++) {
392 			errno = 0;
393 			int_fld[i] = strtoul(str_fld[i], &end, 0);
394 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
395 				return -1;
396 		}
397 		port_id = (portid_t)int_fld[FLD_PORT];
398 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
399 			port_id == (portid_t)RTE_PORT_ALL) {
400 			print_valid_ports();
401 			return -1;
402 		}
403 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
404 		if (new_socket_id(socket_id)) {
405 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
406 				print_invalid_socket_id_error();
407 				return -1;
408 			}
409 			socket_ids[num_sockets++] = socket_id;
410 		}
411 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
412 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
413 			fprintf(stderr,
414 				"Invalid ring-flag=%d config for port =%d\n",
415 				ring_flag,port_id);
416 			return -1;
417 		}
418 
419 		switch (ring_flag & RXTX_RING) {
420 		case RX_RING_ONLY:
421 			rxring_numa[port_id] = socket_id;
422 			break;
423 		case TX_RING_ONLY:
424 			txring_numa[port_id] = socket_id;
425 			break;
426 		case RXTX_RING:
427 			rxring_numa[port_id] = socket_id;
428 			txring_numa[port_id] = socket_id;
429 			break;
430 		default:
431 			fprintf(stderr,
432 				"Invalid ring-flag=%d config for port=%d\n",
433 				ring_flag,port_id);
434 			break;
435 		}
436 	}
437 
438 	return 0;
439 }
440 
441 static int
442 parse_event_printing_config(const char *optarg, int enable)
443 {
444 	uint32_t mask = 0;
445 
446 	if (!strcmp(optarg, "unknown"))
447 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
448 	else if (!strcmp(optarg, "intr_lsc"))
449 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
450 	else if (!strcmp(optarg, "queue_state"))
451 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
452 	else if (!strcmp(optarg, "intr_reset"))
453 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
454 	else if (!strcmp(optarg, "vf_mbox"))
455 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
456 	else if (!strcmp(optarg, "ipsec"))
457 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
458 	else if (!strcmp(optarg, "macsec"))
459 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
460 	else if (!strcmp(optarg, "intr_rmv"))
461 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
462 	else if (!strcmp(optarg, "dev_probed"))
463 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
464 	else if (!strcmp(optarg, "dev_released"))
465 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
466 	else if (!strcmp(optarg, "flow_aged"))
467 		mask = UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED;
468 	else if (!strcmp(optarg, "all"))
469 		mask = ~UINT32_C(0);
470 	else {
471 		fprintf(stderr, "Invalid event: %s\n", optarg);
472 		return -1;
473 	}
474 	if (enable)
475 		event_print_mask |= mask;
476 	else
477 		event_print_mask &= ~mask;
478 	return 0;
479 }
480 
481 static int
482 parse_xstats_list(const char *in_str, struct rte_eth_xstat_name **xstats,
483 		  unsigned int *xstats_num)
484 {
485 	int max_names_nb, names_nb, nonempty_names_nb;
486 	int name, nonempty_name;
487 	int stringlen;
488 	char **names;
489 	char *str;
490 	int ret;
491 	int i;
492 
493 	names = NULL;
494 	str = strdup(in_str);
495 	if (str == NULL) {
496 		ret = -ENOMEM;
497 		goto out;
498 	}
499 	stringlen = strlen(str);
500 
501 	for (i = 0, max_names_nb = 1; str[i] != '\0'; i++) {
502 		if (str[i] == ',')
503 			max_names_nb++;
504 	}
505 
506 	names = calloc(max_names_nb, sizeof(*names));
507 	if (names == NULL) {
508 		ret = -ENOMEM;
509 		goto out;
510 	}
511 
512 	names_nb = rte_strsplit(str, stringlen, names, max_names_nb, ',');
513 	if (names_nb < 0) {
514 		ret = -EINVAL;
515 		goto out;
516 	}
517 
518 	nonempty_names_nb = 0;
519 	for (i = 0; i < names_nb; i++) {
520 		if (names[i][0] == '\0')
521 			continue;
522 		nonempty_names_nb++;
523 	}
524 	*xstats = calloc(nonempty_names_nb, sizeof(**xstats));
525 	if (*xstats == NULL) {
526 		ret = -ENOMEM;
527 		goto out;
528 	}
529 
530 	for (name = nonempty_name = 0; name < names_nb; name++) {
531 		if (names[name][0] == '\0')
532 			continue;
533 		rte_strscpy((*xstats)[nonempty_name].name, names[name],
534 			    sizeof((*xstats)[nonempty_name].name));
535 		nonempty_name++;
536 	}
537 
538 	*xstats_num = nonempty_names_nb;
539 	ret = 0;
540 
541 out:
542 	free(names);
543 	free(str);
544 	return ret;
545 }
546 
547 static int
548 parse_link_speed(int n)
549 {
550 	uint32_t speed = RTE_ETH_LINK_SPEED_FIXED;
551 
552 	switch (n) {
553 	case 1000:
554 		speed |= RTE_ETH_LINK_SPEED_1G;
555 		break;
556 	case 10000:
557 		speed |= RTE_ETH_LINK_SPEED_10G;
558 		break;
559 	case 25000:
560 		speed |= RTE_ETH_LINK_SPEED_25G;
561 		break;
562 	case 40000:
563 		speed |= RTE_ETH_LINK_SPEED_40G;
564 		break;
565 	case 50000:
566 		speed |= RTE_ETH_LINK_SPEED_50G;
567 		break;
568 	case 100000:
569 		speed |= RTE_ETH_LINK_SPEED_100G;
570 		break;
571 	case 200000:
572 		speed |= RTE_ETH_LINK_SPEED_200G;
573 		break;
574 	case 100:
575 	case 10:
576 	default:
577 		fprintf(stderr, "Unsupported fixed speed\n");
578 		return 0;
579 	}
580 
581 	return speed;
582 }
583 
584 void
585 launch_args_parse(int argc, char** argv)
586 {
587 #define PARAM_PROC_ID "proc-id"
588 #define PARAM_NUM_PROCS "num-procs"
589 
590 	int n, opt;
591 	char **argvopt;
592 	int opt_idx;
593 	portid_t pid;
594 	enum { TX, RX };
595 	/* Default offloads for all ports. */
596 	uint64_t rx_offloads = rx_mode.offloads;
597 	uint64_t tx_offloads = tx_mode.offloads;
598 	struct rte_eth_dev_info dev_info;
599 	uint16_t rec_nb_pkts;
600 	int ret;
601 
602 	static struct option lgopts[] = {
603 		{ "help",			0, 0, 0 },
604 #ifdef RTE_LIB_CMDLINE
605 		{ "interactive",		0, 0, 0 },
606 		{ "cmdline-file",		1, 0, 0 },
607 		{ "auto-start",			0, 0, 0 },
608 		{ "eth-peers-configfile",	1, 0, 0 },
609 		{ "eth-peer",			1, 0, 0 },
610 #endif
611 		{ "tx-first",			0, 0, 0 },
612 		{ "stats-period",		1, 0, 0 },
613 		{ "display-xstats",		1, 0, 0 },
614 		{ "nb-cores",			1, 0, 0 },
615 		{ "nb-ports",			1, 0, 0 },
616 		{ "coremask",			1, 0, 0 },
617 		{ "portmask",			1, 0, 0 },
618 		{ "portlist",			1, 0, 0 },
619 		{ "numa",			0, 0, 0 },
620 		{ "no-numa",			0, 0, 0 },
621 		{ "mp-anon",			0, 0, 0 }, /* deprecated */
622 		{ "port-numa-config",           1, 0, 0 },
623 		{ "ring-numa-config",           1, 0, 0 },
624 		{ "socket-num",			1, 0, 0 },
625 		{ "mbuf-size",			1, 0, 0 },
626 		{ "total-num-mbufs",		1, 0, 0 },
627 		{ "max-pkt-len",		1, 0, 0 },
628 		{ "max-lro-pkt-size",		1, 0, 0 },
629 		{ "pkt-filter-mode",            1, 0, 0 },
630 		{ "pkt-filter-report-hash",     1, 0, 0 },
631 		{ "pkt-filter-size",            1, 0, 0 },
632 		{ "pkt-filter-drop-queue",      1, 0, 0 },
633 #ifdef RTE_LIB_LATENCYSTATS
634 		{ "latencystats",               1, 0, 0 },
635 #endif
636 #ifdef RTE_LIB_BITRATESTATS
637 		{ "bitrate-stats",              1, 0, 0 },
638 #endif
639 		{ "disable-crc-strip",          0, 0, 0 },
640 		{ "enable-lro",                 0, 0, 0 },
641 		{ "enable-rx-cksum",            0, 0, 0 },
642 		{ "enable-rx-timestamp",        0, 0, 0 },
643 		{ "enable-scatter",             0, 0, 0 },
644 		{ "enable-hw-vlan",             0, 0, 0 },
645 		{ "enable-hw-vlan-filter",      0, 0, 0 },
646 		{ "enable-hw-vlan-strip",       0, 0, 0 },
647 		{ "enable-hw-vlan-extend",      0, 0, 0 },
648 		{ "enable-hw-qinq-strip",       0, 0, 0 },
649 		{ "enable-drop-en",            0, 0, 0 },
650 		{ "disable-rss",                0, 0, 0 },
651 		{ "port-topology",              1, 0, 0 },
652 		{ "forward-mode",               1, 0, 0 },
653 		{ "rss-ip",			0, 0, 0 },
654 		{ "rss-udp",			0, 0, 0 },
655 		{ "rss-level-outer",		0, 0, 0 },
656 		{ "rss-level-inner",		0, 0, 0 },
657 		{ "rxq",			1, 0, 0 },
658 		{ "txq",			1, 0, 0 },
659 		{ "rxd",			1, 0, 0 },
660 		{ "txd",			1, 0, 0 },
661 		{ "hairpinq",			1, 0, 0 },
662 		{ "hairpin-mode",		1, 0, 0 },
663 		{ "burst",			1, 0, 0 },
664 		{ "flowgen-clones",		1, 0, 0 },
665 		{ "flowgen-flows",		1, 0, 0 },
666 		{ "mbcache",			1, 0, 0 },
667 		{ "txpt",			1, 0, 0 },
668 		{ "txht",			1, 0, 0 },
669 		{ "txwt",			1, 0, 0 },
670 		{ "txfreet",			1, 0, 0 },
671 		{ "txrst",			1, 0, 0 },
672 		{ "rxpt",			1, 0, 0 },
673 		{ "rxht",			1, 0, 0 },
674 		{ "rxwt",			1, 0, 0 },
675 		{ "rxfreet",                    1, 0, 0 },
676 		{ "no-flush-rx",	0, 0, 0 },
677 		{ "flow-isolate-all",	        0, 0, 0 },
678 		{ "rxoffs",			1, 0, 0 },
679 		{ "rxpkts",			1, 0, 0 },
680 		{ "txpkts",			1, 0, 0 },
681 		{ "txonly-multi-flow",		0, 0, 0 },
682 		{ "rxq-share",			2, 0, 0 },
683 		{ "eth-link-speed",		1, 0, 0 },
684 		{ "disable-link-check",		0, 0, 0 },
685 		{ "disable-device-start",	0, 0, 0 },
686 		{ "no-lsc-interrupt",		0, 0, 0 },
687 		{ "no-rmv-interrupt",		0, 0, 0 },
688 		{ "print-event",		1, 0, 0 },
689 		{ "mask-event",			1, 0, 0 },
690 		{ "tx-offloads",		1, 0, 0 },
691 		{ "rx-offloads",		1, 0, 0 },
692 		{ "hot-plug",			0, 0, 0 },
693 		{ "vxlan-gpe-port",		1, 0, 0 },
694 		{ "geneve-parsed-port",		1, 0, 0 },
695 #ifndef RTE_EXEC_ENV_WINDOWS
696 		{ "mlockall",			0, 0, 0 },
697 		{ "no-mlockall",		0, 0, 0 },
698 #endif
699 		{ "mp-alloc",			1, 0, 0 },
700 		{ "tx-ip",			1, 0, 0 },
701 		{ "tx-udp",			1, 0, 0 },
702 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
703 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
704 		{ "noisy-lkup-memory",		1, 0, 0 },
705 		{ "noisy-lkup-num-writes",	1, 0, 0 },
706 		{ "noisy-lkup-num-reads",	1, 0, 0 },
707 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
708 		{ "no-iova-contig",             0, 0, 0 },
709 		{ "rx-mq-mode",                 1, 0, 0 },
710 		{ "record-core-cycles",         0, 0, 0 },
711 		{ "record-burst-stats",         0, 0, 0 },
712 		{ PARAM_NUM_PROCS,              1, 0, 0 },
713 		{ PARAM_PROC_ID,                1, 0, 0 },
714 		{ 0, 0, 0, 0 },
715 	};
716 
717 	argvopt = argv;
718 
719 #ifdef RTE_LIB_CMDLINE
720 #define SHORTOPTS "i"
721 #else
722 #define SHORTOPTS ""
723 #endif
724 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
725 				 lgopts, &opt_idx)) != EOF) {
726 		switch (opt) {
727 #ifdef RTE_LIB_CMDLINE
728 		case 'i':
729 			printf("Interactive-mode selected\n");
730 			interactive = 1;
731 			break;
732 #endif
733 		case 'a':
734 			printf("Auto-start selected\n");
735 			auto_start = 1;
736 			break;
737 
738 		case 0: /*long options */
739 			if (!strcmp(lgopts[opt_idx].name, "help")) {
740 				usage(argv[0]);
741 				exit(EXIT_SUCCESS);
742 			}
743 #ifdef RTE_LIB_CMDLINE
744 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
745 				printf("Interactive-mode selected\n");
746 				interactive = 1;
747 			}
748 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
749 				printf("CLI commands to be read from %s\n",
750 				       optarg);
751 				strlcpy(cmdline_filename, optarg,
752 					sizeof(cmdline_filename));
753 			}
754 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
755 				printf("Auto-start selected\n");
756 				auto_start = 1;
757 			}
758 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
759 				printf("Ports to start sending a burst of "
760 						"packets first\n");
761 				tx_first = 1;
762 			}
763 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
764 				char *end = NULL;
765 				unsigned int n;
766 
767 				n = strtoul(optarg, &end, 10);
768 				if ((optarg[0] == '\0') || (end == NULL) ||
769 						(*end != '\0'))
770 					break;
771 
772 				stats_period = n;
773 				break;
774 			}
775 			if (!strcmp(lgopts[opt_idx].name, "display-xstats")) {
776 				char rc;
777 
778 				rc = parse_xstats_list(optarg, &xstats_display,
779 						       &xstats_display_num);
780 				if (rc != 0)
781 					rte_exit(EXIT_FAILURE,
782 						 "Failed to parse display-xstats argument: %d\n",
783 						 rc);
784 			}
785 			if (!strcmp(lgopts[opt_idx].name,
786 				    "eth-peers-configfile")) {
787 				if (init_peer_eth_addrs(optarg) != 0)
788 					rte_exit(EXIT_FAILURE,
789 						 "Cannot open logfile\n");
790 			}
791 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
792 				char *port_end;
793 
794 				errno = 0;
795 				n = strtoul(optarg, &port_end, 10);
796 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
797 					rte_exit(EXIT_FAILURE,
798 						 "Invalid eth-peer: %s", optarg);
799 				if (n >= RTE_MAX_ETHPORTS)
800 					rte_exit(EXIT_FAILURE,
801 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
802 						 n, RTE_MAX_ETHPORTS);
803 
804 				if (rte_ether_unformat_addr(port_end,
805 						&peer_eth_addrs[n]) < 0)
806 					rte_exit(EXIT_FAILURE,
807 						 "Invalid ethernet address: %s\n",
808 						 port_end);
809 				nb_peer_eth_addrs++;
810 			}
811 #endif
812 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
813 				struct in_addr in;
814 				char *end;
815 
816 				end = strchr(optarg, ',');
817 				if (end == optarg || !end)
818 					rte_exit(EXIT_FAILURE,
819 						 "Invalid tx-ip: %s", optarg);
820 
821 				*end++ = 0;
822 				if (inet_pton(AF_INET, optarg, &in) == 0)
823 					rte_exit(EXIT_FAILURE,
824 						 "Invalid source IP address: %s\n",
825 						 optarg);
826 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
827 
828 				if (inet_pton(AF_INET, end, &in) == 0)
829 					rte_exit(EXIT_FAILURE,
830 						 "Invalid destination IP address: %s\n",
831 						 optarg);
832 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
833 			}
834 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
835 				char *end = NULL;
836 
837 				errno = 0;
838 				n = strtoul(optarg, &end, 10);
839 				if (errno != 0 || end == optarg ||
840 				    n > UINT16_MAX ||
841 				    !(*end == '\0' || *end == ','))
842 					rte_exit(EXIT_FAILURE,
843 						 "Invalid UDP port: %s\n",
844 						 optarg);
845 				tx_udp_src_port = n;
846 				if (*end == ',') {
847 					char *dst = end + 1;
848 
849 					n = strtoul(dst, &end, 10);
850 					if (errno != 0 || end == dst ||
851 					    n > UINT16_MAX || *end)
852 						rte_exit(EXIT_FAILURE,
853 							 "Invalid destination UDP port: %s\n",
854 							 dst);
855 					tx_udp_dst_port = n;
856 				} else {
857 					tx_udp_dst_port = n;
858 				}
859 
860 			}
861 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
862 				n = atoi(optarg);
863 				if (n > 0 && n <= nb_ports)
864 					nb_fwd_ports = n;
865 				else
866 					rte_exit(EXIT_FAILURE,
867 						 "Invalid port %d\n", n);
868 			}
869 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
870 				n = atoi(optarg);
871 				if (n > 0 && n <= nb_lcores)
872 					nb_fwd_lcores = (uint8_t) n;
873 				else
874 					rte_exit(EXIT_FAILURE,
875 						 "nb-cores should be > 0 and <= %d\n",
876 						 nb_lcores);
877 			}
878 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
879 				parse_fwd_coremask(optarg);
880 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
881 				parse_fwd_portmask(optarg);
882 			if (!strcmp(lgopts[opt_idx].name, "portlist"))
883 				parse_fwd_portlist(optarg);
884 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
885 				numa_support = 0;
886 			if (!strcmp(lgopts[opt_idx].name, "numa"))
887 				numa_support = 1;
888 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
889 				mp_alloc_type = MP_ALLOC_ANON;
890 			}
891 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
892 				if (!strcmp(optarg, "native"))
893 					mp_alloc_type = MP_ALLOC_NATIVE;
894 				else if (!strcmp(optarg, "anon"))
895 					mp_alloc_type = MP_ALLOC_ANON;
896 				else if (!strcmp(optarg, "xmem"))
897 					mp_alloc_type = MP_ALLOC_XMEM;
898 				else if (!strcmp(optarg, "xmemhuge"))
899 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
900 				else if (!strcmp(optarg, "xbuf"))
901 					mp_alloc_type = MP_ALLOC_XBUF;
902 				else
903 					rte_exit(EXIT_FAILURE,
904 						"mp-alloc %s invalid - must be: "
905 						"native, anon, xmem or xmemhuge\n",
906 						 optarg);
907 			}
908 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
909 				if (parse_portnuma_config(optarg))
910 					rte_exit(EXIT_FAILURE,
911 					   "invalid port-numa configuration\n");
912 			}
913 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
914 				if (parse_ringnuma_config(optarg))
915 					rte_exit(EXIT_FAILURE,
916 					   "invalid ring-numa configuration\n");
917 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
918 				n = atoi(optarg);
919 				if (!new_socket_id((uint8_t)n)) {
920 					socket_num = (uint8_t)n;
921 				} else {
922 					print_invalid_socket_id_error();
923 					rte_exit(EXIT_FAILURE,
924 						"Invalid socket id");
925 				}
926 			}
927 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
928 				unsigned int mb_sz[MAX_SEGS_BUFFER_SPLIT];
929 				unsigned int nb_segs, i;
930 
931 				nb_segs = parse_item_list(optarg, "mbuf-size",
932 					MAX_SEGS_BUFFER_SPLIT, mb_sz, 0);
933 				if (nb_segs <= 0)
934 					rte_exit(EXIT_FAILURE,
935 						 "bad mbuf-size\n");
936 				for (i = 0; i < nb_segs; i++) {
937 					if (mb_sz[i] <= 0 || mb_sz[i] > 0xFFFF)
938 						rte_exit(EXIT_FAILURE,
939 							 "mbuf-size should be "
940 							 "> 0 and < 65536\n");
941 					mbuf_data_size[i] = (uint16_t) mb_sz[i];
942 				}
943 				mbuf_data_size_n = nb_segs;
944 			}
945 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
946 				n = atoi(optarg);
947 				if (n > 1024)
948 					param_total_num_mbufs = (unsigned)n;
949 				else
950 					rte_exit(EXIT_FAILURE,
951 						 "total-num-mbufs should be > 1024\n");
952 			}
953 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
954 				n = atoi(optarg);
955 				if (n >= RTE_ETHER_MIN_LEN)
956 					max_rx_pkt_len = n;
957 				else
958 					rte_exit(EXIT_FAILURE,
959 						 "Invalid max-pkt-len=%d - should be > %d\n",
960 						 n, RTE_ETHER_MIN_LEN);
961 			}
962 			if (!strcmp(lgopts[opt_idx].name, "max-lro-pkt-size")) {
963 				n = atoi(optarg);
964 				rx_mode.max_lro_pkt_size = (uint32_t) n;
965 			}
966 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
967 				if (!strcmp(optarg, "signature"))
968 					fdir_conf.mode =
969 						RTE_FDIR_MODE_SIGNATURE;
970 				else if (!strcmp(optarg, "perfect"))
971 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
972 				else if (!strcmp(optarg, "perfect-mac-vlan"))
973 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
974 				else if (!strcmp(optarg, "perfect-tunnel"))
975 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
976 				else if (!strcmp(optarg, "none"))
977 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
978 				else
979 					rte_exit(EXIT_FAILURE,
980 						 "pkt-mode-invalid %s invalid - must be: "
981 						 "none, signature, perfect, perfect-mac-vlan"
982 						 " or perfect-tunnel\n",
983 						 optarg);
984 			}
985 			if (!strcmp(lgopts[opt_idx].name,
986 				    "pkt-filter-report-hash")) {
987 				if (!strcmp(optarg, "none"))
988 					fdir_conf.status =
989 						RTE_FDIR_NO_REPORT_STATUS;
990 				else if (!strcmp(optarg, "match"))
991 					fdir_conf.status =
992 						RTE_FDIR_REPORT_STATUS;
993 				else if (!strcmp(optarg, "always"))
994 					fdir_conf.status =
995 						RTE_FDIR_REPORT_STATUS_ALWAYS;
996 				else
997 					rte_exit(EXIT_FAILURE,
998 						 "pkt-filter-report-hash %s invalid "
999 						 "- must be: none or match or always\n",
1000 						 optarg);
1001 			}
1002 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
1003 				if (!strcmp(optarg, "64K"))
1004 					fdir_conf.pballoc =
1005 						RTE_ETH_FDIR_PBALLOC_64K;
1006 				else if (!strcmp(optarg, "128K"))
1007 					fdir_conf.pballoc =
1008 						RTE_ETH_FDIR_PBALLOC_128K;
1009 				else if (!strcmp(optarg, "256K"))
1010 					fdir_conf.pballoc =
1011 						RTE_ETH_FDIR_PBALLOC_256K;
1012 				else
1013 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
1014 						 " must be: 64K or 128K or 256K\n",
1015 						 optarg);
1016 			}
1017 			if (!strcmp(lgopts[opt_idx].name,
1018 				    "pkt-filter-drop-queue")) {
1019 				n = atoi(optarg);
1020 				if (n >= 0)
1021 					fdir_conf.drop_queue = (uint8_t) n;
1022 				else
1023 					rte_exit(EXIT_FAILURE,
1024 						 "drop queue %d invalid - must"
1025 						 "be >= 0 \n", n);
1026 			}
1027 #ifdef RTE_LIB_LATENCYSTATS
1028 			if (!strcmp(lgopts[opt_idx].name,
1029 				    "latencystats")) {
1030 				n = atoi(optarg);
1031 				if (n >= 0) {
1032 					latencystats_lcore_id = (lcoreid_t) n;
1033 					latencystats_enabled = 1;
1034 				} else
1035 					rte_exit(EXIT_FAILURE,
1036 						 "invalid lcore id %d for latencystats"
1037 						 " must be >= 0\n", n);
1038 			}
1039 #endif
1040 #ifdef RTE_LIB_BITRATESTATS
1041 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
1042 				n = atoi(optarg);
1043 				if (n >= 0) {
1044 					bitrate_lcore_id = (lcoreid_t) n;
1045 					bitrate_enabled = 1;
1046 				} else
1047 					rte_exit(EXIT_FAILURE,
1048 						 "invalid lcore id %d for bitrate stats"
1049 						 " must be >= 0\n", n);
1050 			}
1051 #endif
1052 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
1053 				rx_offloads |= RTE_ETH_RX_OFFLOAD_KEEP_CRC;
1054 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
1055 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TCP_LRO;
1056 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
1057 				rx_offloads |= RTE_ETH_RX_OFFLOAD_SCATTER;
1058 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
1059 				rx_offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM;
1060 			if (!strcmp(lgopts[opt_idx].name,
1061 					"enable-rx-timestamp"))
1062 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TIMESTAMP;
1063 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
1064 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN;
1065 
1066 			if (!strcmp(lgopts[opt_idx].name,
1067 					"enable-hw-vlan-filter"))
1068 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_FILTER;
1069 
1070 			if (!strcmp(lgopts[opt_idx].name,
1071 					"enable-hw-vlan-strip"))
1072 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
1073 
1074 			if (!strcmp(lgopts[opt_idx].name,
1075 					"enable-hw-vlan-extend"))
1076 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_EXTEND;
1077 
1078 			if (!strcmp(lgopts[opt_idx].name,
1079 					"enable-hw-qinq-strip"))
1080 				rx_offloads |= RTE_ETH_RX_OFFLOAD_QINQ_STRIP;
1081 
1082 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
1083 				rx_drop_en = 1;
1084 
1085 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
1086 				rss_hf = 0;
1087 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
1088 				if (!strcmp(optarg, "paired"))
1089 					port_topology = PORT_TOPOLOGY_PAIRED;
1090 				else if (!strcmp(optarg, "chained"))
1091 					port_topology = PORT_TOPOLOGY_CHAINED;
1092 				else if (!strcmp(optarg, "loop"))
1093 					port_topology = PORT_TOPOLOGY_LOOP;
1094 				else
1095 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
1096 						 " must be: paired, chained or loop\n",
1097 						 optarg);
1098 			}
1099 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
1100 				set_pkt_forwarding_mode(optarg);
1101 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
1102 				rss_hf = RTE_ETH_RSS_IP;
1103 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
1104 				rss_hf = RTE_ETH_RSS_UDP;
1105 			if (!strcmp(lgopts[opt_idx].name, "rss-level-inner"))
1106 				rss_hf |= RTE_ETH_RSS_LEVEL_INNERMOST;
1107 			if (!strcmp(lgopts[opt_idx].name, "rss-level-outer"))
1108 				rss_hf |= RTE_ETH_RSS_LEVEL_OUTERMOST;
1109 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
1110 				n = atoi(optarg);
1111 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
1112 					nb_rxq = (queueid_t) n;
1113 				else
1114 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
1115 						  " >= 0 && <= %u\n", n,
1116 						  get_allowed_max_nb_rxq(&pid));
1117 			}
1118 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
1119 				n = atoi(optarg);
1120 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
1121 					nb_txq = (queueid_t) n;
1122 				else
1123 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1124 						  " >= 0 && <= %u\n", n,
1125 						  get_allowed_max_nb_txq(&pid));
1126 			}
1127 			if (!strcmp(lgopts[opt_idx].name, "hairpinq")) {
1128 				n = atoi(optarg);
1129 				if (n >= 0 &&
1130 				    check_nb_hairpinq((queueid_t)n) == 0)
1131 					nb_hairpinq = (queueid_t) n;
1132 				else
1133 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1134 						  " >= 0 && <= %u\n", n,
1135 						  get_allowed_max_nb_hairpinq
1136 						  (&pid));
1137 				if ((n + nb_txq) < 0 ||
1138 				    check_nb_txq((queueid_t)(n + nb_txq)) != 0)
1139 					rte_exit(EXIT_FAILURE, "txq + hairpinq "
1140 						 "%d invalid - must be"
1141 						  " >= 0 && <= %u\n",
1142 						  n + nb_txq,
1143 						  get_allowed_max_nb_txq(&pid));
1144 				if ((n + nb_rxq) < 0 ||
1145 				    check_nb_rxq((queueid_t)(n + nb_rxq)) != 0)
1146 					rte_exit(EXIT_FAILURE, "rxq + hairpinq "
1147 						 "%d invalid - must be"
1148 						  " >= 0 && <= %u\n",
1149 						  n + nb_rxq,
1150 						  get_allowed_max_nb_rxq(&pid));
1151 			}
1152 			if (!nb_rxq && !nb_txq) {
1153 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
1154 						"be non-zero\n");
1155 			}
1156 			if (!strcmp(lgopts[opt_idx].name, "hairpin-mode")) {
1157 				char *end = NULL;
1158 				unsigned int n;
1159 
1160 				errno = 0;
1161 				n = strtoul(optarg, &end, 0);
1162 				if (errno != 0 || end == optarg)
1163 					rte_exit(EXIT_FAILURE, "hairpin mode invalid\n");
1164 				else
1165 					hairpin_mode = (uint16_t)n;
1166 			}
1167 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
1168 				n = atoi(optarg);
1169 				if (n == 0) {
1170 					/* A burst size of zero means that the
1171 					 * PMD should be queried for
1172 					 * recommended Rx burst size. Since
1173 					 * testpmd uses a single size for all
1174 					 * ports, port 0 is queried for the
1175 					 * value, on the assumption that all
1176 					 * ports are of the same NIC model.
1177 					 */
1178 					ret = eth_dev_info_get_print_err(
1179 								0,
1180 								&dev_info);
1181 					if (ret != 0)
1182 						return;
1183 
1184 					rec_nb_pkts = dev_info
1185 						.default_rxportconf.burst_size;
1186 
1187 					if (rec_nb_pkts == 0)
1188 						rte_exit(EXIT_FAILURE,
1189 							"PMD does not recommend a burst size. "
1190 							"Provided value must be between "
1191 							"1 and %d\n", MAX_PKT_BURST);
1192 					else if (rec_nb_pkts > MAX_PKT_BURST)
1193 						rte_exit(EXIT_FAILURE,
1194 							"PMD recommended burst size of %d"
1195 							" exceeds maximum value of %d\n",
1196 							rec_nb_pkts, MAX_PKT_BURST);
1197 					printf("Using PMD-provided burst value of %d\n",
1198 						rec_nb_pkts);
1199 					nb_pkt_per_burst = rec_nb_pkts;
1200 				} else if (n > MAX_PKT_BURST)
1201 					rte_exit(EXIT_FAILURE,
1202 						"burst must be between1 and %d\n",
1203 						MAX_PKT_BURST);
1204 				else
1205 					nb_pkt_per_burst = (uint16_t) n;
1206 			}
1207 			if (!strcmp(lgopts[opt_idx].name, "flowgen-clones")) {
1208 				n = atoi(optarg);
1209 				if (n >= 0)
1210 					nb_pkt_flowgen_clones = (uint16_t) n;
1211 				else
1212 					rte_exit(EXIT_FAILURE,
1213 						 "clones must be >= 0 and <= current burst\n");
1214 			}
1215 			if (!strcmp(lgopts[opt_idx].name, "flowgen-flows")) {
1216 				n = atoi(optarg);
1217 				if (n > 0)
1218 					nb_flows_flowgen = (int) n;
1219 				else
1220 					rte_exit(EXIT_FAILURE,
1221 						 "flows must be >= 1\n");
1222 			}
1223 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1224 				n = atoi(optarg);
1225 				if ((n >= 0) &&
1226 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1227 					mb_mempool_cache = (uint16_t) n;
1228 				else
1229 					rte_exit(EXIT_FAILURE,
1230 						 "mbcache must be >= 0 and <= %d\n",
1231 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1232 			}
1233 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1234 				n = atoi(optarg);
1235 				if (n >= 0)
1236 					tx_free_thresh = (int16_t)n;
1237 				else
1238 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1239 			}
1240 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1241 				n = atoi(optarg);
1242 				if (n >= 0)
1243 					tx_rs_thresh = (int16_t)n;
1244 				else
1245 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1246 			}
1247 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1248 				n = atoi(optarg);
1249 				if (n > 0) {
1250 					if (rx_free_thresh >= n)
1251 						rte_exit(EXIT_FAILURE,
1252 							 "rxd must be > "
1253 							 "rx_free_thresh(%d)\n",
1254 							 (int)rx_free_thresh);
1255 					else
1256 						nb_rxd = (uint16_t) n;
1257 				} else
1258 					rte_exit(EXIT_FAILURE,
1259 						 "rxd(%d) invalid - must be > 0\n",
1260 						 n);
1261 			}
1262 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1263 				n = atoi(optarg);
1264 				if (n > 0)
1265 					nb_txd = (uint16_t) n;
1266 				else
1267 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1268 			}
1269 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1270 				n = atoi(optarg);
1271 				if (n >= 0)
1272 					tx_pthresh = (int8_t)n;
1273 				else
1274 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1275 			}
1276 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1277 				n = atoi(optarg);
1278 				if (n >= 0)
1279 					tx_hthresh = (int8_t)n;
1280 				else
1281 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1282 			}
1283 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1284 				n = atoi(optarg);
1285 				if (n >= 0)
1286 					tx_wthresh = (int8_t)n;
1287 				else
1288 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1289 			}
1290 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1291 				n = atoi(optarg);
1292 				if (n >= 0)
1293 					rx_pthresh = (int8_t)n;
1294 				else
1295 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1296 			}
1297 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1298 				n = atoi(optarg);
1299 				if (n >= 0)
1300 					rx_hthresh = (int8_t)n;
1301 				else
1302 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1303 			}
1304 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1305 				n = atoi(optarg);
1306 				if (n >= 0)
1307 					rx_wthresh = (int8_t)n;
1308 				else
1309 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1310 			}
1311 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1312 				n = atoi(optarg);
1313 				if (n >= 0)
1314 					rx_free_thresh = (int16_t)n;
1315 				else
1316 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1317 			}
1318 			if (!strcmp(lgopts[opt_idx].name, "rxoffs")) {
1319 				unsigned int seg_off[MAX_SEGS_BUFFER_SPLIT];
1320 				unsigned int nb_offs;
1321 
1322 				nb_offs = parse_item_list
1323 						(optarg, "rxpkt offsets",
1324 						 MAX_SEGS_BUFFER_SPLIT,
1325 						 seg_off, 0);
1326 				if (nb_offs > 0)
1327 					set_rx_pkt_offsets(seg_off, nb_offs);
1328 				else
1329 					rte_exit(EXIT_FAILURE, "bad rxoffs\n");
1330 			}
1331 			if (!strcmp(lgopts[opt_idx].name, "rxpkts")) {
1332 				unsigned int seg_len[MAX_SEGS_BUFFER_SPLIT];
1333 				unsigned int nb_segs;
1334 
1335 				nb_segs = parse_item_list
1336 						(optarg, "rxpkt segments",
1337 						 MAX_SEGS_BUFFER_SPLIT,
1338 						 seg_len, 0);
1339 				if (nb_segs > 0)
1340 					set_rx_pkt_segments(seg_len, nb_segs);
1341 				else
1342 					rte_exit(EXIT_FAILURE, "bad rxpkts\n");
1343 			}
1344 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1345 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1346 				unsigned int nb_segs;
1347 
1348 				nb_segs = parse_item_list(optarg, "txpkt segments",
1349 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1350 				if (nb_segs > 0)
1351 					set_tx_pkt_segments(seg_lengths, nb_segs);
1352 				else
1353 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1354 			}
1355 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1356 				txonly_multi_flow = 1;
1357 			if (!strcmp(lgopts[opt_idx].name, "rxq-share")) {
1358 				if (optarg == NULL) {
1359 					rxq_share = UINT32_MAX;
1360 				} else {
1361 					n = atoi(optarg);
1362 					if (n >= 0)
1363 						rxq_share = (uint32_t)n;
1364 					else
1365 						rte_exit(EXIT_FAILURE, "rxq-share must be >= 0\n");
1366 				}
1367 			}
1368 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1369 				no_flush_rx = 1;
1370 			if (!strcmp(lgopts[opt_idx].name, "eth-link-speed")) {
1371 				n = atoi(optarg);
1372 				if (n >= 0 && parse_link_speed(n) > 0)
1373 					eth_link_speed = parse_link_speed(n);
1374 			}
1375 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1376 				no_link_check = 1;
1377 			if (!strcmp(lgopts[opt_idx].name, "disable-device-start"))
1378 				no_device_start = 1;
1379 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1380 				lsc_interrupt = 0;
1381 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1382 				rmv_interrupt = 0;
1383 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1384 				flow_isolate_all = 1;
1385 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1386 				char *end = NULL;
1387 				n = strtoull(optarg, &end, 16);
1388 				if (n >= 0)
1389 					tx_offloads = (uint64_t)n;
1390 				else
1391 					rte_exit(EXIT_FAILURE,
1392 						 "tx-offloads must be >= 0\n");
1393 			}
1394 
1395 			if (!strcmp(lgopts[opt_idx].name, "rx-offloads")) {
1396 				char *end = NULL;
1397 				n = strtoull(optarg, &end, 16);
1398 				if (n >= 0)
1399 					rx_offloads = (uint64_t)n;
1400 				else
1401 					rte_exit(EXIT_FAILURE,
1402 						 "rx-offloads must be >= 0\n");
1403 			}
1404 
1405 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1406 				n = atoi(optarg);
1407 				if (n >= 0)
1408 					vxlan_gpe_udp_port = (uint16_t)n;
1409 				else
1410 					rte_exit(EXIT_FAILURE,
1411 						 "vxlan-gpe-port must be >= 0\n");
1412 			}
1413 			if (!strcmp(lgopts[opt_idx].name,
1414 				    "geneve-parsed-port")) {
1415 				n = atoi(optarg);
1416 				if (n >= 0)
1417 					geneve_udp_port = (uint16_t)n;
1418 				else
1419 					rte_exit(EXIT_FAILURE,
1420 						 "geneve-parsed-port must be >= 0\n");
1421 			}
1422 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1423 				if (parse_event_printing_config(optarg, 1)) {
1424 					rte_exit(EXIT_FAILURE,
1425 						 "invalid print-event argument\n");
1426 				}
1427 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1428 				if (parse_event_printing_config(optarg, 0)) {
1429 					rte_exit(EXIT_FAILURE,
1430 						 "invalid mask-event argument\n");
1431 				}
1432 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1433 				hot_plug = 1;
1434 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1435 				do_mlockall = 1;
1436 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1437 				do_mlockall = 0;
1438 			if (!strcmp(lgopts[opt_idx].name,
1439 				    "noisy-tx-sw-buffer-size")) {
1440 				n = atoi(optarg);
1441 				if (n >= 0)
1442 					noisy_tx_sw_bufsz = n;
1443 				else
1444 					rte_exit(EXIT_FAILURE,
1445 						"noisy-tx-sw-buffer-size must be >= 0\n");
1446 			}
1447 			if (!strcmp(lgopts[opt_idx].name,
1448 				    "noisy-tx-sw-buffer-flushtime")) {
1449 				n = atoi(optarg);
1450 				if (n >= 0)
1451 					noisy_tx_sw_buf_flush_time = n;
1452 				else
1453 					rte_exit(EXIT_FAILURE,
1454 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1455 			}
1456 			if (!strcmp(lgopts[opt_idx].name,
1457 				    "noisy-lkup-memory")) {
1458 				n = atoi(optarg);
1459 				if (n >= 0)
1460 					noisy_lkup_mem_sz = n;
1461 				else
1462 					rte_exit(EXIT_FAILURE,
1463 						 "noisy-lkup-memory must be >= 0\n");
1464 			}
1465 			if (!strcmp(lgopts[opt_idx].name,
1466 				    "noisy-lkup-num-writes")) {
1467 				n = atoi(optarg);
1468 				if (n >= 0)
1469 					noisy_lkup_num_writes = n;
1470 				else
1471 					rte_exit(EXIT_FAILURE,
1472 						 "noisy-lkup-num-writes must be >= 0\n");
1473 			}
1474 			if (!strcmp(lgopts[opt_idx].name,
1475 				    "noisy-lkup-num-reads")) {
1476 				n = atoi(optarg);
1477 				if (n >= 0)
1478 					noisy_lkup_num_reads = n;
1479 				else
1480 					rte_exit(EXIT_FAILURE,
1481 						 "noisy-lkup-num-reads must be >= 0\n");
1482 			}
1483 			if (!strcmp(lgopts[opt_idx].name,
1484 				    "noisy-lkup-num-reads-writes")) {
1485 				n = atoi(optarg);
1486 				if (n >= 0)
1487 					noisy_lkup_num_reads_writes = n;
1488 				else
1489 					rte_exit(EXIT_FAILURE,
1490 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1491 			}
1492 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1493 				mempool_flags = RTE_MEMPOOL_F_NO_IOVA_CONTIG;
1494 
1495 			if (!strcmp(lgopts[opt_idx].name, "rx-mq-mode")) {
1496 				char *end = NULL;
1497 				n = strtoul(optarg, &end, 16);
1498 				if (n >= 0 && n <= RTE_ETH_MQ_RX_VMDQ_DCB_RSS)
1499 					rx_mq_mode = (enum rte_eth_rx_mq_mode)n;
1500 				else
1501 					rte_exit(EXIT_FAILURE,
1502 						 "rx-mq-mode must be >= 0 and <= %d\n",
1503 						 RTE_ETH_MQ_RX_VMDQ_DCB_RSS);
1504 			}
1505 			if (!strcmp(lgopts[opt_idx].name, "record-core-cycles"))
1506 				record_core_cycles = 1;
1507 			if (!strcmp(lgopts[opt_idx].name, "record-burst-stats"))
1508 				record_burst_stats = 1;
1509 			if (!strcmp(lgopts[opt_idx].name, PARAM_NUM_PROCS))
1510 				num_procs = atoi(optarg);
1511 			if (!strcmp(lgopts[opt_idx].name, PARAM_PROC_ID))
1512 				proc_id = atoi(optarg);
1513 			break;
1514 		case 'h':
1515 			usage(argv[0]);
1516 			exit(EXIT_SUCCESS);
1517 			break;
1518 		default:
1519 			usage(argv[0]);
1520 			fprintf(stderr, "Invalid option: %s\n", argv[optind]);
1521 			rte_exit(EXIT_FAILURE,
1522 				 "Command line is incomplete or incorrect\n");
1523 			break;
1524 		}
1525 	}
1526 
1527 	if (optind != argc) {
1528 		usage(argv[0]);
1529 		fprintf(stderr, "Invalid parameter: %s\n", argv[optind]);
1530 		rte_exit(EXIT_FAILURE, "Command line is incorrect\n");
1531 	}
1532 
1533 	/* Set offload configuration from command line parameters. */
1534 	rx_mode.offloads = rx_offloads;
1535 	tx_mode.offloads = tx_offloads;
1536 
1537 	if (mempool_flags & RTE_MEMPOOL_F_NO_IOVA_CONTIG &&
1538 	    mp_alloc_type != MP_ALLOC_ANON) {
1539 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1540 				  "mp-alloc=anon. mempool no-iova-contig is "
1541 				  "ignored\n");
1542 		mempool_flags = 0;
1543 	}
1544 }
1545