xref: /dpdk/app/test-pmd/parameters.c (revision c6552d9a8deffa448de2d5e2e726f50508c1efd2)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4 
5 #include <errno.h>
6 #include <getopt.h>
7 #include <stdarg.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <signal.h>
11 #include <string.h>
12 #include <time.h>
13 #include <fcntl.h>
14 #include <sys/types.h>
15 
16 #include <sys/queue.h>
17 #include <sys/stat.h>
18 
19 #include <stdint.h>
20 #include <unistd.h>
21 #include <inttypes.h>
22 
23 #include <rte_common.h>
24 #include <rte_byteorder.h>
25 #include <rte_log.h>
26 #include <rte_debug.h>
27 #include <rte_cycles.h>
28 #include <rte_memory.h>
29 #include <rte_launch.h>
30 #include <rte_eal.h>
31 #include <rte_per_lcore.h>
32 #include <rte_lcore.h>
33 #include <rte_branch_prediction.h>
34 #include <rte_mempool.h>
35 #include <rte_interrupts.h>
36 #include <rte_ether.h>
37 #include <rte_ethdev.h>
38 #include <rte_string_fns.h>
39 #include <rte_flow.h>
40 
41 #include "testpmd.h"
42 
43 static void
44 usage(char* progname)
45 {
46 	printf("\nUsage: %s [EAL options] -- [testpmd options]\n\n",
47 	       progname);
48 #ifdef RTE_LIB_CMDLINE
49 	printf("  --interactive: run in interactive mode.\n");
50 	printf("  --cmdline-file: execute cli commands before startup.\n");
51 #endif
52 	printf("  --auto-start: start forwarding on init "
53 	       "[always when non-interactive].\n");
54 	printf("  --help: display this message and quit.\n");
55 	printf("  --tx-first: start forwarding sending a burst first "
56 	       "(only if interactive is disabled).\n");
57 	printf("  --stats-period=PERIOD: statistics will be shown "
58 	       "every PERIOD seconds (only if interactive is disabled).\n");
59 	printf("  --display-xstats xstat_name1[,...]: comma-separated list of "
60 	       "extended statistics to show. Used with --stats-period "
61 	       "specified or interactive commands that show Rx/Tx statistics "
62 	       "(i.e. 'show port stats').\n");
63 	printf("  --num-procs=N: set the total number of multi-process instances.\n");
64 	printf("  --proc-id=id: set the id of the current process from "
65 	       "multi-process instances (0 <= id < num-procs).\n");
66 	printf("  --nb-cores=N: set the number of forwarding cores "
67 	       "(1 <= N <= %d).\n", nb_lcores);
68 	printf("  --nb-ports=N: set the number of forwarding ports "
69 	       "(1 <= N <= %d).\n", nb_ports);
70 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
71 	       "the packet forwarding test. The main lcore is reserved for "
72 	       "command line parsing only, and cannot be masked on for "
73 	       "packet forwarding.\n");
74 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
75 	       "by the packet forwarding test.\n");
76 	printf("  --portlist=PORTLIST: list of forwarding ports\n");
77 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
78 	       "RX memory buffers (mbufs).\n");
79 	printf("  --no-numa: disable NUMA-aware allocation.\n");
80 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
81 	       "specify the socket on which the memory pool "
82 	       "used by the port will be allocated.\n");
83 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
84 	       "specify the socket on which the TX/RX rings for "
85 	       "the port will be allocated "
86 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
87 	printf("  --socket-num=N: set socket from which all memory is allocated "
88 	       "in NUMA mode.\n");
89 	printf("  --mbuf-size=N,[N1[,..Nn]: set the data size of mbuf to "
90 	       "N bytes. If multiple numbers are specified the extra pools "
91 	       "will be created to receive packets based on the features "
92 	       "supported, like packet split, multi-rx-mempool.\n");
93 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
94 	       "in mbuf pools.\n");
95 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
96 	printf("  --max-lro-pkt-size=N: set the maximum LRO aggregated packet "
97 	       "size to N bytes.\n");
98 #ifdef RTE_LIB_CMDLINE
99 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
100 	       "of peer ports.\n");
101 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
102 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
103 #endif
104 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
105 	printf("  --enable-scatter: enable scattered Rx.\n");
106 	printf("  --enable-lro: enable large receive offload.\n");
107 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
108 	printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
109 	printf("  --enable-hw-vlan: enable hardware vlan.\n");
110 	printf("  --enable-hw-vlan-filter: enable hardware vlan filter.\n");
111 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
112 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
113 	printf("  --enable-hw-qinq-strip: enable hardware qinq strip.\n");
114 	printf("  --enable-drop-en: enable per queue packet drop.\n");
115 	printf("  --disable-rss: disable rss.\n");
116 	printf("  --port-topology=<paired|chained|loop>: set port topology (paired "
117 	       "is default).\n");
118 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
119 	       list_pkt_forwarding_modes());
120 	printf("  --forward-mode=5tswap: set forwarding mode to "
121 			"swap L2,L3,L4 for MAC, IPv4/IPv6 and TCP/UDP only.\n");
122 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
123 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
124 	printf("  --rss-level-inner: set RSS hash level to innermost\n");
125 	printf("  --rss-level-outer: set RSS hash level to outermost\n");
126 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
127 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
128 	printf("  --txq=N: set the number of TX queues per port to N.\n");
129 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
130 	printf("  --hairpinq=N: set the number of hairpin queues per port to "
131 	       "N.\n");
132 	printf("  --burst=N: set the number of packets per burst to N.\n");
133 	printf("  --flowgen-clones=N: set the number of single packet clones to send in flowgen mode. Should be less than burst value.\n");
134 	printf("  --flowgen-flows=N: set the number of flows in flowgen mode to N (1 <= N <= INT32_MAX).\n");
135 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
136 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
137 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
138 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
139 	       "(0 <= N < value of rxd).\n");
140 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
141 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
142 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
143 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
144 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
145 	       "(0 <= N <= value of txd).\n");
146 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
147 	       "(0 <= N <= value of txd).\n");
148 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
149 	       " Used mainly with PCAP drivers.\n");
150 	printf("  --rxoffs=X[,Y]*: set RX segment offsets for split.\n");
151 	printf("  --rxpkts=X[,Y]*: set RX segment sizes to split.\n");
152 	printf("  --rxhdrs=eth[,ipv4]*: set RX segment protocol to split.\n");
153 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
154 		" or total packet length.\n");
155 	printf("  --multi-rx-mempool: enable multi-rx-mempool support\n");
156 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
157 	printf("  --tx-ip=src,dst: IP addresses in Tx-only mode\n");
158 	printf("  --tx-udp=src[,dst]: UDP ports in Tx-only mode\n");
159 	printf("  --eth-link-speed: force link speed.\n");
160 	printf("  --rxq-share=X: number of ports per shared Rx queue groups, defaults to UINT32_MAX (1 group)\n");
161 	printf("  --disable-link-check: disable check on link status when "
162 	       "starting/stopping ports.\n");
163 	printf("  --disable-device-start: do not automatically start port\n");
164 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
165 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
166 #ifdef RTE_LIB_BITRATESTATS
167 	printf("  --bitrate-stats=N: set the logical core N to perform "
168 		"bit-rate calculation.\n");
169 #endif
170 #ifdef RTE_LIB_LATENCYSTATS
171 	printf("  --latencystats=N: enable latency and jitter statistics "
172 	       "monitoring on forwarding lcore id N.\n");
173 #endif
174 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|err_recovering|recovery_success|recovery_failed|all>: "
175 	       "enable print of designated event or all of them.\n");
176 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|err_recovering|recovery_success|recovery_failed||all>: "
177 	       "disable print of designated event or all of them.\n");
178 	printf("  --flow-isolate-all: "
179 	       "requests flow API isolated mode on all ports at initialization time.\n");
180 	printf("  --disable-flow-flush: disable port flow flush when stop port.\n");
181 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
182 	printf("  --rx-offloads=0xXXXXXXXX: hexadecimal bitmask of RX queue offloads\n");
183 	printf("  --hot-plug: enable hot plug for device.\n");
184 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
185 	printf("  --geneve-parsed-port=N: UPD port to parse GENEVE tunnel protocol\n");
186 #ifndef RTE_EXEC_ENV_WINDOWS
187 	printf("  --mlockall: lock all memory\n");
188 	printf("  --no-mlockall: do not lock all memory\n");
189 #endif
190 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
191 	       "    native: use regular DPDK memory to create and populate mempool\n"
192 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
193 	       "    xmem: use anonymous memory to create and populate mempool\n"
194 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
195 	printf("  --noisy-forward-mode=<io|mac|macswap|5tswap>: set the sub-fwd mode, defaults to io\n");
196 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
197 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
198 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
199 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
200 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
201 	printf("  --noisy-lkup-num-reads-writes=N: do N random reads and writes per packet\n");
202 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
203 	       "valid only with --mp-alloc=anon\n");
204 	printf("  --rx-mq-mode=0xX: hexadecimal bitmask of RX mq mode can be "
205 	       "enabled\n");
206 	printf("  --record-core-cycles: enable measurement of CPU cycles.\n");
207 	printf("  --record-burst-stats: enable display of RX and TX bursts.\n");
208 	printf("  --hairpin-mode=0xXX: bitmask set the hairpin port mode.\n"
209 	       "    0x10 - explicit Tx rule, 0x02 - hairpin ports paired\n"
210 	       "    0x01 - hairpin ports loop, 0x00 - hairpin port self\n");
211 }
212 
213 #ifdef RTE_LIB_CMDLINE
214 static int
215 init_peer_eth_addrs(const char *config_filename)
216 {
217 	FILE *config_file;
218 	portid_t i;
219 	char buf[50];
220 
221 	config_file = fopen(config_filename, "r");
222 	if (config_file == NULL) {
223 		perror("Failed to open eth config file\n");
224 		return -1;
225 	}
226 
227 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
228 
229 		if (fgets(buf, sizeof(buf), config_file) == NULL)
230 			break;
231 
232 		if (rte_ether_unformat_addr(buf, &peer_eth_addrs[i]) < 0) {
233 			fprintf(stderr, "Bad MAC address format on line %d\n",
234 				i + 1);
235 			fclose(config_file);
236 			return -1;
237 		}
238 	}
239 	fclose(config_file);
240 	nb_peer_eth_addrs = (portid_t) i;
241 	return 0;
242 }
243 #endif
244 
245 /*
246  * Parse the coremask given as argument (hexadecimal string) and set
247  * the global configuration of forwarding cores.
248  */
249 static void
250 parse_fwd_coremask(const char *coremask)
251 {
252 	char *end;
253 	unsigned long long int cm;
254 
255 	/* parse hexadecimal string */
256 	end = NULL;
257 	cm = strtoull(coremask, &end, 16);
258 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
259 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
260 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
261 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
262 }
263 
264 /*
265  * Parse the coremask given as argument (hexadecimal string) and set
266  * the global configuration of forwarding cores.
267  */
268 static void
269 parse_fwd_portmask(const char *portmask)
270 {
271 	char *end;
272 	unsigned long long int pm;
273 
274 	/* parse hexadecimal string */
275 	end = NULL;
276 	pm = strtoull(portmask, &end, 16);
277 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
278 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
279 	else
280 		set_fwd_ports_mask((uint64_t) pm);
281 }
282 
283 static void
284 print_invalid_socket_id_error(void)
285 {
286 	unsigned int i = 0;
287 
288 	fprintf(stderr, "Invalid socket id, options are: ");
289 	for (i = 0; i < num_sockets; i++) {
290 		fprintf(stderr, "%u%s", socket_ids[i],
291 			(i == num_sockets - 1) ? "\n" : ",");
292 	}
293 }
294 
295 static int
296 parse_portnuma_config(const char *q_arg)
297 {
298 	char s[256];
299 	const char *p, *p0 = q_arg;
300 	char *end;
301 	uint8_t i, socket_id;
302 	portid_t port_id;
303 	unsigned size;
304 	enum fieldnames {
305 		FLD_PORT = 0,
306 		FLD_SOCKET,
307 		_NUM_FLD
308 	};
309 	unsigned long int_fld[_NUM_FLD];
310 	char *str_fld[_NUM_FLD];
311 
312 	/* reset from value set at definition */
313 	while ((p = strchr(p0,'(')) != NULL) {
314 		++p;
315 		if((p0 = strchr(p,')')) == NULL)
316 			return -1;
317 
318 		size = p0 - p;
319 		if(size >= sizeof(s))
320 			return -1;
321 
322 		snprintf(s, sizeof(s), "%.*s", size, p);
323 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
324 			return -1;
325 		for (i = 0; i < _NUM_FLD; i++) {
326 			errno = 0;
327 			int_fld[i] = strtoul(str_fld[i], &end, 0);
328 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
329 				return -1;
330 		}
331 		port_id = (portid_t)int_fld[FLD_PORT];
332 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
333 			port_id == (portid_t)RTE_PORT_ALL) {
334 			print_valid_ports();
335 			return -1;
336 		}
337 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
338 		if (new_socket_id(socket_id)) {
339 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
340 				print_invalid_socket_id_error();
341 				return -1;
342 			}
343 			socket_ids[num_sockets++] = socket_id;
344 		}
345 		port_numa[port_id] = socket_id;
346 	}
347 
348 	return 0;
349 }
350 
351 static int
352 parse_ringnuma_config(const char *q_arg)
353 {
354 	char s[256];
355 	const char *p, *p0 = q_arg;
356 	char *end;
357 	uint8_t i, ring_flag, socket_id;
358 	portid_t port_id;
359 	unsigned size;
360 	enum fieldnames {
361 		FLD_PORT = 0,
362 		FLD_FLAG,
363 		FLD_SOCKET,
364 		_NUM_FLD
365 	};
366 	unsigned long int_fld[_NUM_FLD];
367 	char *str_fld[_NUM_FLD];
368 	#define RX_RING_ONLY 0x1
369 	#define TX_RING_ONLY 0x2
370 	#define RXTX_RING    0x3
371 
372 	/* reset from value set at definition */
373 	while ((p = strchr(p0,'(')) != NULL) {
374 		++p;
375 		if((p0 = strchr(p,')')) == NULL)
376 			return -1;
377 
378 		size = p0 - p;
379 		if(size >= sizeof(s))
380 			return -1;
381 
382 		snprintf(s, sizeof(s), "%.*s", size, p);
383 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
384 			return -1;
385 		for (i = 0; i < _NUM_FLD; i++) {
386 			errno = 0;
387 			int_fld[i] = strtoul(str_fld[i], &end, 0);
388 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
389 				return -1;
390 		}
391 		port_id = (portid_t)int_fld[FLD_PORT];
392 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
393 			port_id == (portid_t)RTE_PORT_ALL) {
394 			print_valid_ports();
395 			return -1;
396 		}
397 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
398 		if (new_socket_id(socket_id)) {
399 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
400 				print_invalid_socket_id_error();
401 				return -1;
402 			}
403 			socket_ids[num_sockets++] = socket_id;
404 		}
405 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
406 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
407 			fprintf(stderr,
408 				"Invalid ring-flag=%d config for port =%d\n",
409 				ring_flag,port_id);
410 			return -1;
411 		}
412 
413 		switch (ring_flag & RXTX_RING) {
414 		case RX_RING_ONLY:
415 			rxring_numa[port_id] = socket_id;
416 			break;
417 		case TX_RING_ONLY:
418 			txring_numa[port_id] = socket_id;
419 			break;
420 		case RXTX_RING:
421 			rxring_numa[port_id] = socket_id;
422 			txring_numa[port_id] = socket_id;
423 			break;
424 		default:
425 			fprintf(stderr,
426 				"Invalid ring-flag=%d config for port=%d\n",
427 				ring_flag,port_id);
428 			break;
429 		}
430 	}
431 
432 	return 0;
433 }
434 
435 static int
436 parse_event_printing_config(const char *optarg, int enable)
437 {
438 	uint32_t mask = 0;
439 
440 	if (!strcmp(optarg, "unknown"))
441 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
442 	else if (!strcmp(optarg, "intr_lsc"))
443 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
444 	else if (!strcmp(optarg, "queue_state"))
445 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
446 	else if (!strcmp(optarg, "intr_reset"))
447 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
448 	else if (!strcmp(optarg, "vf_mbox"))
449 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
450 	else if (!strcmp(optarg, "ipsec"))
451 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
452 	else if (!strcmp(optarg, "macsec"))
453 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
454 	else if (!strcmp(optarg, "intr_rmv"))
455 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
456 	else if (!strcmp(optarg, "dev_probed"))
457 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
458 	else if (!strcmp(optarg, "dev_released"))
459 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
460 	else if (!strcmp(optarg, "flow_aged"))
461 		mask = UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED;
462 	else if (!strcmp(optarg, "err_recovering"))
463 		mask = UINT32_C(1) << RTE_ETH_EVENT_ERR_RECOVERING;
464 	else if (!strcmp(optarg, "recovery_success"))
465 		mask = UINT32_C(1) << RTE_ETH_EVENT_RECOVERY_SUCCESS;
466 	else if (!strcmp(optarg, "recovery_failed"))
467 		mask = UINT32_C(1) << RTE_ETH_EVENT_RECOVERY_FAILED;
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 2500:
557 		speed |= RTE_ETH_LINK_SPEED_2_5G;
558 		break;
559 	case 5000:
560 		speed |= RTE_ETH_LINK_SPEED_5G;
561 		break;
562 	case 10000:
563 		speed |= RTE_ETH_LINK_SPEED_10G;
564 		break;
565 	case 25000:
566 		speed |= RTE_ETH_LINK_SPEED_25G;
567 		break;
568 	case 40000:
569 		speed |= RTE_ETH_LINK_SPEED_40G;
570 		break;
571 	case 50000:
572 		speed |= RTE_ETH_LINK_SPEED_50G;
573 		break;
574 	case 100000:
575 		speed |= RTE_ETH_LINK_SPEED_100G;
576 		break;
577 	case 200000:
578 		speed |= RTE_ETH_LINK_SPEED_200G;
579 		break;
580 	case 400000:
581 		speed |= RTE_ETH_LINK_SPEED_400G;
582 		break;
583 	case 100:
584 	case 10:
585 	default:
586 		fprintf(stderr, "Unsupported fixed speed\n");
587 		return 0;
588 	}
589 
590 	return speed;
591 }
592 
593 void
594 launch_args_parse(int argc, char** argv)
595 {
596 #define PARAM_PROC_ID "proc-id"
597 #define PARAM_NUM_PROCS "num-procs"
598 
599 	int n, opt;
600 	char **argvopt;
601 	int opt_idx;
602 	portid_t pid;
603 	enum { TX, RX };
604 	/* Default offloads for all ports. */
605 	uint64_t rx_offloads = rx_mode.offloads;
606 	uint64_t tx_offloads = tx_mode.offloads;
607 	struct rte_eth_dev_info dev_info;
608 	uint16_t rec_nb_pkts;
609 	int ret;
610 
611 	static struct option lgopts[] = {
612 		{ "help",			0, 0, 0 },
613 #ifdef RTE_LIB_CMDLINE
614 		{ "interactive",		0, 0, 0 },
615 		{ "cmdline-file",		1, 0, 0 },
616 		{ "auto-start",			0, 0, 0 },
617 		{ "eth-peers-configfile",	1, 0, 0 },
618 		{ "eth-peer",			1, 0, 0 },
619 #endif
620 		{ "tx-first",			0, 0, 0 },
621 		{ "stats-period",		1, 0, 0 },
622 		{ "display-xstats",		1, 0, 0 },
623 		{ "nb-cores",			1, 0, 0 },
624 		{ "nb-ports",			1, 0, 0 },
625 		{ "coremask",			1, 0, 0 },
626 		{ "portmask",			1, 0, 0 },
627 		{ "portlist",			1, 0, 0 },
628 		{ "numa",			0, 0, 0 },
629 		{ "no-numa",			0, 0, 0 },
630 		{ "mp-anon",			0, 0, 0 }, /* deprecated */
631 		{ "port-numa-config",           1, 0, 0 },
632 		{ "ring-numa-config",           1, 0, 0 },
633 		{ "socket-num",			1, 0, 0 },
634 		{ "mbuf-size",			1, 0, 0 },
635 		{ "total-num-mbufs",		1, 0, 0 },
636 		{ "max-pkt-len",		1, 0, 0 },
637 		{ "max-lro-pkt-size",		1, 0, 0 },
638 #ifdef RTE_LIB_LATENCYSTATS
639 		{ "latencystats",               1, 0, 0 },
640 #endif
641 #ifdef RTE_LIB_BITRATESTATS
642 		{ "bitrate-stats",              1, 0, 0 },
643 #endif
644 		{ "disable-crc-strip",          0, 0, 0 },
645 		{ "enable-lro",                 0, 0, 0 },
646 		{ "enable-rx-cksum",            0, 0, 0 },
647 		{ "enable-rx-timestamp",        0, 0, 0 },
648 		{ "enable-scatter",             0, 0, 0 },
649 		{ "enable-hw-vlan",             0, 0, 0 },
650 		{ "enable-hw-vlan-filter",      0, 0, 0 },
651 		{ "enable-hw-vlan-strip",       0, 0, 0 },
652 		{ "enable-hw-vlan-extend",      0, 0, 0 },
653 		{ "enable-hw-qinq-strip",       0, 0, 0 },
654 		{ "enable-drop-en",            0, 0, 0 },
655 		{ "disable-rss",                0, 0, 0 },
656 		{ "port-topology",              1, 0, 0 },
657 		{ "forward-mode",               1, 0, 0 },
658 		{ "rss-ip",			0, 0, 0 },
659 		{ "rss-udp",			0, 0, 0 },
660 		{ "rss-level-outer",		0, 0, 0 },
661 		{ "rss-level-inner",		0, 0, 0 },
662 		{ "rxq",			1, 0, 0 },
663 		{ "txq",			1, 0, 0 },
664 		{ "rxd",			1, 0, 0 },
665 		{ "txd",			1, 0, 0 },
666 		{ "hairpinq",			1, 0, 0 },
667 		{ "hairpin-mode",		1, 0, 0 },
668 		{ "burst",			1, 0, 0 },
669 		{ "flowgen-clones",		1, 0, 0 },
670 		{ "flowgen-flows",		1, 0, 0 },
671 		{ "mbcache",			1, 0, 0 },
672 		{ "txpt",			1, 0, 0 },
673 		{ "txht",			1, 0, 0 },
674 		{ "txwt",			1, 0, 0 },
675 		{ "txfreet",			1, 0, 0 },
676 		{ "txrst",			1, 0, 0 },
677 		{ "rxpt",			1, 0, 0 },
678 		{ "rxht",			1, 0, 0 },
679 		{ "rxwt",			1, 0, 0 },
680 		{ "rxfreet",                    1, 0, 0 },
681 		{ "no-flush-rx",	0, 0, 0 },
682 		{ "flow-isolate-all",	        0, 0, 0 },
683 		{ "disable-flow-flush",         0, 0, 0 },
684 		{ "rxoffs",			1, 0, 0 },
685 		{ "rxpkts",			1, 0, 0 },
686 		{ "rxhdrs",			1, 0, 0 },
687 		{ "txpkts",			1, 0, 0 },
688 		{ "multi-rx-mempool",           0, 0, 0 },
689 		{ "txonly-multi-flow",		0, 0, 0 },
690 		{ "rxq-share",			2, 0, 0 },
691 		{ "eth-link-speed",		1, 0, 0 },
692 		{ "disable-link-check",		0, 0, 0 },
693 		{ "disable-device-start",	0, 0, 0 },
694 		{ "no-lsc-interrupt",		0, 0, 0 },
695 		{ "no-rmv-interrupt",		0, 0, 0 },
696 		{ "print-event",		1, 0, 0 },
697 		{ "mask-event",			1, 0, 0 },
698 		{ "tx-offloads",		1, 0, 0 },
699 		{ "rx-offloads",		1, 0, 0 },
700 		{ "hot-plug",			0, 0, 0 },
701 		{ "vxlan-gpe-port",		1, 0, 0 },
702 		{ "geneve-parsed-port",		1, 0, 0 },
703 #ifndef RTE_EXEC_ENV_WINDOWS
704 		{ "mlockall",			0, 0, 0 },
705 		{ "no-mlockall",		0, 0, 0 },
706 #endif
707 		{ "mp-alloc",			1, 0, 0 },
708 		{ "tx-ip",			1, 0, 0 },
709 		{ "tx-udp",			1, 0, 0 },
710 		{ "noisy-forward-mode",		1, 0, 0 },
711 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
712 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
713 		{ "noisy-lkup-memory",		1, 0, 0 },
714 		{ "noisy-lkup-num-writes",	1, 0, 0 },
715 		{ "noisy-lkup-num-reads",	1, 0, 0 },
716 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
717 		{ "no-iova-contig",             0, 0, 0 },
718 		{ "rx-mq-mode",                 1, 0, 0 },
719 		{ "record-core-cycles",         0, 0, 0 },
720 		{ "record-burst-stats",         0, 0, 0 },
721 		{ PARAM_NUM_PROCS,              1, 0, 0 },
722 		{ PARAM_PROC_ID,                1, 0, 0 },
723 		{ 0, 0, 0, 0 },
724 	};
725 
726 	argvopt = argv;
727 
728 #ifdef RTE_LIB_CMDLINE
729 #define SHORTOPTS "i"
730 #else
731 #define SHORTOPTS ""
732 #endif
733 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
734 				 lgopts, &opt_idx)) != EOF) {
735 		switch (opt) {
736 #ifdef RTE_LIB_CMDLINE
737 		case 'i':
738 			printf("Interactive-mode selected\n");
739 			interactive = 1;
740 			break;
741 #endif
742 		case 'a':
743 			printf("Auto-start selected\n");
744 			auto_start = 1;
745 			break;
746 
747 		case 0: /*long options */
748 			if (!strcmp(lgopts[opt_idx].name, "help")) {
749 				usage(argv[0]);
750 				exit(EXIT_SUCCESS);
751 			}
752 #ifdef RTE_LIB_CMDLINE
753 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
754 				printf("Interactive-mode selected\n");
755 				interactive = 1;
756 			}
757 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
758 				printf("CLI commands to be read from %s\n",
759 				       optarg);
760 				strlcpy(cmdline_filename, optarg,
761 					sizeof(cmdline_filename));
762 			}
763 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
764 				printf("Auto-start selected\n");
765 				auto_start = 1;
766 			}
767 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
768 				printf("Ports to start sending a burst of "
769 						"packets first\n");
770 				tx_first = 1;
771 			}
772 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
773 				char *end = NULL;
774 				unsigned int n;
775 
776 				n = strtoul(optarg, &end, 10);
777 				if ((optarg[0] == '\0') || (end == NULL) ||
778 						(*end != '\0'))
779 					break;
780 
781 				stats_period = n;
782 				break;
783 			}
784 			if (!strcmp(lgopts[opt_idx].name, "display-xstats")) {
785 				char rc;
786 
787 				rc = parse_xstats_list(optarg, &xstats_display,
788 						       &xstats_display_num);
789 				if (rc != 0)
790 					rte_exit(EXIT_FAILURE,
791 						 "Failed to parse display-xstats argument: %d\n",
792 						 rc);
793 			}
794 			if (!strcmp(lgopts[opt_idx].name,
795 				    "eth-peers-configfile")) {
796 				if (init_peer_eth_addrs(optarg) != 0)
797 					rte_exit(EXIT_FAILURE,
798 						 "Cannot open logfile\n");
799 			}
800 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
801 				char *port_end;
802 
803 				errno = 0;
804 				n = strtoul(optarg, &port_end, 10);
805 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
806 					rte_exit(EXIT_FAILURE,
807 						 "Invalid eth-peer: %s", optarg);
808 				if (n >= RTE_MAX_ETHPORTS)
809 					rte_exit(EXIT_FAILURE,
810 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
811 						 n, RTE_MAX_ETHPORTS);
812 
813 				if (rte_ether_unformat_addr(port_end,
814 						&peer_eth_addrs[n]) < 0)
815 					rte_exit(EXIT_FAILURE,
816 						 "Invalid ethernet address: %s\n",
817 						 port_end);
818 				nb_peer_eth_addrs++;
819 			}
820 #endif
821 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
822 				struct in_addr in;
823 				char *end;
824 
825 				end = strchr(optarg, ',');
826 				if (end == optarg || !end)
827 					rte_exit(EXIT_FAILURE,
828 						 "Invalid tx-ip: %s", optarg);
829 
830 				*end++ = 0;
831 				if (inet_pton(AF_INET, optarg, &in) == 0)
832 					rte_exit(EXIT_FAILURE,
833 						 "Invalid source IP address: %s\n",
834 						 optarg);
835 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
836 
837 				if (inet_pton(AF_INET, end, &in) == 0)
838 					rte_exit(EXIT_FAILURE,
839 						 "Invalid destination IP address: %s\n",
840 						 optarg);
841 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
842 			}
843 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
844 				char *end = NULL;
845 
846 				errno = 0;
847 				n = strtoul(optarg, &end, 10);
848 				if (errno != 0 || end == optarg ||
849 				    n > UINT16_MAX ||
850 				    !(*end == '\0' || *end == ','))
851 					rte_exit(EXIT_FAILURE,
852 						 "Invalid UDP port: %s\n",
853 						 optarg);
854 				tx_udp_src_port = n;
855 				if (*end == ',') {
856 					char *dst = end + 1;
857 
858 					n = strtoul(dst, &end, 10);
859 					if (errno != 0 || end == dst ||
860 					    n > UINT16_MAX || *end)
861 						rte_exit(EXIT_FAILURE,
862 							 "Invalid destination UDP port: %s\n",
863 							 dst);
864 					tx_udp_dst_port = n;
865 				} else {
866 					tx_udp_dst_port = n;
867 				}
868 
869 			}
870 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
871 				n = atoi(optarg);
872 				if (n > 0 && n <= nb_ports)
873 					nb_fwd_ports = n;
874 				else
875 					rte_exit(EXIT_FAILURE,
876 						 "Invalid port %d\n", n);
877 			}
878 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
879 				n = atoi(optarg);
880 				if (n > 0 && n <= nb_lcores)
881 					nb_fwd_lcores = (uint8_t) n;
882 				else
883 					rte_exit(EXIT_FAILURE,
884 						 "nb-cores should be > 0 and <= %d\n",
885 						 nb_lcores);
886 			}
887 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
888 				parse_fwd_coremask(optarg);
889 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
890 				parse_fwd_portmask(optarg);
891 			if (!strcmp(lgopts[opt_idx].name, "portlist"))
892 				parse_fwd_portlist(optarg);
893 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
894 				numa_support = 0;
895 			if (!strcmp(lgopts[opt_idx].name, "numa"))
896 				numa_support = 1;
897 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
898 				mp_alloc_type = MP_ALLOC_ANON;
899 			}
900 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
901 				if (!strcmp(optarg, "native"))
902 					mp_alloc_type = MP_ALLOC_NATIVE;
903 				else if (!strcmp(optarg, "anon"))
904 					mp_alloc_type = MP_ALLOC_ANON;
905 				else if (!strcmp(optarg, "xmem"))
906 					mp_alloc_type = MP_ALLOC_XMEM;
907 				else if (!strcmp(optarg, "xmemhuge"))
908 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
909 				else if (!strcmp(optarg, "xbuf"))
910 					mp_alloc_type = MP_ALLOC_XBUF;
911 				else
912 					rte_exit(EXIT_FAILURE,
913 						"mp-alloc %s invalid - must be: "
914 						"native, anon, xmem or xmemhuge\n",
915 						 optarg);
916 			}
917 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
918 				if (parse_portnuma_config(optarg))
919 					rte_exit(EXIT_FAILURE,
920 					   "invalid port-numa configuration\n");
921 			}
922 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
923 				if (parse_ringnuma_config(optarg))
924 					rte_exit(EXIT_FAILURE,
925 					   "invalid ring-numa configuration\n");
926 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
927 				n = atoi(optarg);
928 				if (!new_socket_id((uint8_t)n)) {
929 					socket_num = (uint8_t)n;
930 				} else {
931 					print_invalid_socket_id_error();
932 					rte_exit(EXIT_FAILURE,
933 						"Invalid socket id");
934 				}
935 			}
936 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
937 				unsigned int mb_sz[MAX_SEGS_BUFFER_SPLIT];
938 				unsigned int nb_segs, i;
939 
940 				nb_segs = parse_item_list(optarg, "mbuf-size",
941 					MAX_SEGS_BUFFER_SPLIT, mb_sz, 0);
942 				if (nb_segs <= 0)
943 					rte_exit(EXIT_FAILURE,
944 						 "bad mbuf-size\n");
945 				for (i = 0; i < nb_segs; i++) {
946 					if (mb_sz[i] <= 0 || mb_sz[i] > 0xFFFF)
947 						rte_exit(EXIT_FAILURE,
948 							 "mbuf-size should be "
949 							 "> 0 and < 65536\n");
950 					mbuf_data_size[i] = (uint16_t) mb_sz[i];
951 				}
952 				mbuf_data_size_n = nb_segs;
953 			}
954 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
955 				n = atoi(optarg);
956 				if (n > MIN_TOTAL_NUM_MBUFS)
957 					param_total_num_mbufs = (unsigned)n;
958 				else
959 					rte_exit(EXIT_FAILURE,
960 						 "total-num-mbufs should be > %d\n",
961 						 MIN_TOTAL_NUM_MBUFS);
962 			}
963 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
964 				n = atoi(optarg);
965 				if (n >= RTE_ETHER_MIN_LEN)
966 					max_rx_pkt_len = n;
967 				else
968 					rte_exit(EXIT_FAILURE,
969 						 "Invalid max-pkt-len=%d - should be > %d\n",
970 						 n, RTE_ETHER_MIN_LEN);
971 			}
972 			if (!strcmp(lgopts[opt_idx].name, "max-lro-pkt-size")) {
973 				n = atoi(optarg);
974 				rx_mode.max_lro_pkt_size = (uint32_t) n;
975 			}
976 #ifdef RTE_LIB_LATENCYSTATS
977 			if (!strcmp(lgopts[opt_idx].name,
978 				    "latencystats")) {
979 				n = atoi(optarg);
980 				if (n >= 0) {
981 					latencystats_lcore_id = (lcoreid_t) n;
982 					latencystats_enabled = 1;
983 				} else
984 					rte_exit(EXIT_FAILURE,
985 						 "invalid lcore id %d for latencystats"
986 						 " must be >= 0\n", n);
987 			}
988 #endif
989 #ifdef RTE_LIB_BITRATESTATS
990 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
991 				n = atoi(optarg);
992 				if (n >= 0) {
993 					bitrate_lcore_id = (lcoreid_t) n;
994 					bitrate_enabled = 1;
995 				} else
996 					rte_exit(EXIT_FAILURE,
997 						 "invalid lcore id %d for bitrate stats"
998 						 " must be >= 0\n", n);
999 			}
1000 #endif
1001 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
1002 				rx_offloads |= RTE_ETH_RX_OFFLOAD_KEEP_CRC;
1003 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
1004 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TCP_LRO;
1005 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
1006 				rx_offloads |= RTE_ETH_RX_OFFLOAD_SCATTER;
1007 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
1008 				rx_offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM;
1009 			if (!strcmp(lgopts[opt_idx].name,
1010 					"enable-rx-timestamp"))
1011 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TIMESTAMP;
1012 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
1013 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN;
1014 
1015 			if (!strcmp(lgopts[opt_idx].name,
1016 					"enable-hw-vlan-filter"))
1017 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_FILTER;
1018 
1019 			if (!strcmp(lgopts[opt_idx].name,
1020 					"enable-hw-vlan-strip"))
1021 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
1022 
1023 			if (!strcmp(lgopts[opt_idx].name,
1024 					"enable-hw-vlan-extend"))
1025 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_EXTEND;
1026 
1027 			if (!strcmp(lgopts[opt_idx].name,
1028 					"enable-hw-qinq-strip"))
1029 				rx_offloads |= RTE_ETH_RX_OFFLOAD_QINQ_STRIP;
1030 
1031 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
1032 				rx_drop_en = 1;
1033 
1034 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
1035 				rss_hf = 0;
1036 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
1037 				if (!strcmp(optarg, "paired"))
1038 					port_topology = PORT_TOPOLOGY_PAIRED;
1039 				else if (!strcmp(optarg, "chained"))
1040 					port_topology = PORT_TOPOLOGY_CHAINED;
1041 				else if (!strcmp(optarg, "loop"))
1042 					port_topology = PORT_TOPOLOGY_LOOP;
1043 				else
1044 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
1045 						 " must be: paired, chained or loop\n",
1046 						 optarg);
1047 			}
1048 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
1049 				set_pkt_forwarding_mode(optarg);
1050 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
1051 				rss_hf = RTE_ETH_RSS_IP;
1052 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
1053 				rss_hf = RTE_ETH_RSS_UDP;
1054 			if (!strcmp(lgopts[opt_idx].name, "rss-level-inner"))
1055 				rss_hf |= RTE_ETH_RSS_LEVEL_INNERMOST;
1056 			if (!strcmp(lgopts[opt_idx].name, "rss-level-outer"))
1057 				rss_hf |= RTE_ETH_RSS_LEVEL_OUTERMOST;
1058 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
1059 				n = atoi(optarg);
1060 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
1061 					nb_rxq = (queueid_t) n;
1062 				else
1063 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
1064 						  " >= 0 && <= %u\n", n,
1065 						  get_allowed_max_nb_rxq(&pid));
1066 			}
1067 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
1068 				n = atoi(optarg);
1069 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
1070 					nb_txq = (queueid_t) n;
1071 				else
1072 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1073 						  " >= 0 && <= %u\n", n,
1074 						  get_allowed_max_nb_txq(&pid));
1075 			}
1076 			if (!strcmp(lgopts[opt_idx].name, "hairpinq")) {
1077 				n = atoi(optarg);
1078 				if (n >= 0 &&
1079 				    check_nb_hairpinq((queueid_t)n) == 0)
1080 					nb_hairpinq = (queueid_t) n;
1081 				else
1082 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1083 						  " >= 0 && <= %u\n", n,
1084 						  get_allowed_max_nb_hairpinq
1085 						  (&pid));
1086 				if ((n + nb_txq) < 0 ||
1087 				    check_nb_txq((queueid_t)(n + nb_txq)) != 0)
1088 					rte_exit(EXIT_FAILURE, "txq + hairpinq "
1089 						 "%d invalid - must be"
1090 						  " >= 0 && <= %u\n",
1091 						  n + nb_txq,
1092 						  get_allowed_max_nb_txq(&pid));
1093 				if ((n + nb_rxq) < 0 ||
1094 				    check_nb_rxq((queueid_t)(n + nb_rxq)) != 0)
1095 					rte_exit(EXIT_FAILURE, "rxq + hairpinq "
1096 						 "%d invalid - must be"
1097 						  " >= 0 && <= %u\n",
1098 						  n + nb_rxq,
1099 						  get_allowed_max_nb_rxq(&pid));
1100 			}
1101 			if (!nb_rxq && !nb_txq) {
1102 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
1103 						"be non-zero\n");
1104 			}
1105 			if (!strcmp(lgopts[opt_idx].name, "hairpin-mode")) {
1106 				char *end = NULL;
1107 				unsigned int n;
1108 
1109 				errno = 0;
1110 				n = strtoul(optarg, &end, 0);
1111 				if (errno != 0 || end == optarg)
1112 					rte_exit(EXIT_FAILURE, "hairpin mode invalid\n");
1113 				else
1114 					hairpin_mode = (uint32_t)n;
1115 			}
1116 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
1117 				n = atoi(optarg);
1118 				if (n == 0) {
1119 					/* A burst size of zero means that the
1120 					 * PMD should be queried for
1121 					 * recommended Rx burst size. Since
1122 					 * testpmd uses a single size for all
1123 					 * ports, port 0 is queried for the
1124 					 * value, on the assumption that all
1125 					 * ports are of the same NIC model.
1126 					 */
1127 					ret = eth_dev_info_get_print_err(
1128 								0,
1129 								&dev_info);
1130 					if (ret != 0)
1131 						return;
1132 
1133 					rec_nb_pkts = dev_info
1134 						.default_rxportconf.burst_size;
1135 
1136 					if (rec_nb_pkts == 0)
1137 						rte_exit(EXIT_FAILURE,
1138 							"PMD does not recommend a burst size. "
1139 							"Provided value must be between "
1140 							"1 and %d\n", MAX_PKT_BURST);
1141 					else if (rec_nb_pkts > MAX_PKT_BURST)
1142 						rte_exit(EXIT_FAILURE,
1143 							"PMD recommended burst size of %d"
1144 							" exceeds maximum value of %d\n",
1145 							rec_nb_pkts, MAX_PKT_BURST);
1146 					printf("Using PMD-provided burst value of %d\n",
1147 						rec_nb_pkts);
1148 					nb_pkt_per_burst = rec_nb_pkts;
1149 				} else if (n > MAX_PKT_BURST)
1150 					rte_exit(EXIT_FAILURE,
1151 						"burst must be between1 and %d\n",
1152 						MAX_PKT_BURST);
1153 				else
1154 					nb_pkt_per_burst = (uint16_t) n;
1155 			}
1156 			if (!strcmp(lgopts[opt_idx].name, "flowgen-clones")) {
1157 				n = atoi(optarg);
1158 				if (n >= 0)
1159 					nb_pkt_flowgen_clones = (uint16_t) n;
1160 				else
1161 					rte_exit(EXIT_FAILURE,
1162 						 "clones must be >= 0 and <= current burst\n");
1163 			}
1164 			if (!strcmp(lgopts[opt_idx].name, "flowgen-flows")) {
1165 				n = atoi(optarg);
1166 				if (n > 0)
1167 					nb_flows_flowgen = (int) n;
1168 				else
1169 					rte_exit(EXIT_FAILURE,
1170 						 "flows must be >= 1\n");
1171 			}
1172 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1173 				n = atoi(optarg);
1174 				if ((n >= 0) &&
1175 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1176 					mb_mempool_cache = (uint16_t) n;
1177 				else
1178 					rte_exit(EXIT_FAILURE,
1179 						 "mbcache must be >= 0 and <= %d\n",
1180 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1181 			}
1182 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1183 				n = atoi(optarg);
1184 				if (n >= 0)
1185 					tx_free_thresh = (int16_t)n;
1186 				else
1187 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1188 			}
1189 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1190 				n = atoi(optarg);
1191 				if (n >= 0)
1192 					tx_rs_thresh = (int16_t)n;
1193 				else
1194 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1195 			}
1196 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1197 				n = atoi(optarg);
1198 				if (n > 0) {
1199 					if (rx_free_thresh >= n)
1200 						rte_exit(EXIT_FAILURE,
1201 							 "rxd must be > "
1202 							 "rx_free_thresh(%d)\n",
1203 							 (int)rx_free_thresh);
1204 					else
1205 						nb_rxd = (uint16_t) n;
1206 				} else
1207 					rte_exit(EXIT_FAILURE,
1208 						 "rxd(%d) invalid - must be > 0\n",
1209 						 n);
1210 			}
1211 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1212 				n = atoi(optarg);
1213 				if (n > 0)
1214 					nb_txd = (uint16_t) n;
1215 				else
1216 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1217 			}
1218 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1219 				n = atoi(optarg);
1220 				if (n >= 0)
1221 					tx_pthresh = (int8_t)n;
1222 				else
1223 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1224 			}
1225 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1226 				n = atoi(optarg);
1227 				if (n >= 0)
1228 					tx_hthresh = (int8_t)n;
1229 				else
1230 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1231 			}
1232 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1233 				n = atoi(optarg);
1234 				if (n >= 0)
1235 					tx_wthresh = (int8_t)n;
1236 				else
1237 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1238 			}
1239 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1240 				n = atoi(optarg);
1241 				if (n >= 0)
1242 					rx_pthresh = (int8_t)n;
1243 				else
1244 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1245 			}
1246 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1247 				n = atoi(optarg);
1248 				if (n >= 0)
1249 					rx_hthresh = (int8_t)n;
1250 				else
1251 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1252 			}
1253 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1254 				n = atoi(optarg);
1255 				if (n >= 0)
1256 					rx_wthresh = (int8_t)n;
1257 				else
1258 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1259 			}
1260 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1261 				n = atoi(optarg);
1262 				if (n >= 0)
1263 					rx_free_thresh = (int16_t)n;
1264 				else
1265 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1266 			}
1267 			if (!strcmp(lgopts[opt_idx].name, "rxoffs")) {
1268 				unsigned int seg_off[MAX_SEGS_BUFFER_SPLIT];
1269 				unsigned int nb_offs;
1270 
1271 				nb_offs = parse_item_list
1272 						(optarg, "rxpkt offsets",
1273 						 MAX_SEGS_BUFFER_SPLIT,
1274 						 seg_off, 0);
1275 				if (nb_offs > 0)
1276 					set_rx_pkt_offsets(seg_off, nb_offs);
1277 				else
1278 					rte_exit(EXIT_FAILURE, "bad rxoffs\n");
1279 			}
1280 			if (!strcmp(lgopts[opt_idx].name, "rxpkts")) {
1281 				unsigned int seg_len[MAX_SEGS_BUFFER_SPLIT];
1282 				unsigned int nb_segs;
1283 				nb_segs = parse_item_list
1284 						(optarg, "rxpkt segments",
1285 						 MAX_SEGS_BUFFER_SPLIT,
1286 						 seg_len, 0);
1287 				if (nb_segs > 0)
1288 					set_rx_pkt_segments(seg_len, nb_segs);
1289 				else
1290 					rte_exit(EXIT_FAILURE, "bad rxpkts\n");
1291 			}
1292 			if (!strcmp(lgopts[opt_idx].name, "rxhdrs")) {
1293 				unsigned int seg_hdrs[MAX_SEGS_BUFFER_SPLIT];
1294 				unsigned int nb_segs;
1295 
1296 				nb_segs = parse_hdrs_list
1297 						(optarg, "rxpkt segments",
1298 						MAX_SEGS_BUFFER_SPLIT,
1299 						seg_hdrs);
1300 				if (nb_segs > 0)
1301 					set_rx_pkt_hdrs(seg_hdrs, nb_segs);
1302 				else
1303 					rte_exit(EXIT_FAILURE, "bad rxpkts\n");
1304 			}
1305 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1306 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1307 				unsigned int nb_segs;
1308 
1309 				nb_segs = parse_item_list(optarg, "txpkt segments",
1310 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1311 				if (nb_segs > 0)
1312 					set_tx_pkt_segments(seg_lengths, nb_segs);
1313 				else
1314 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1315 			}
1316 			if (!strcmp(lgopts[opt_idx].name, "multi-rx-mempool"))
1317 				multi_rx_mempool = 1;
1318 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1319 				txonly_multi_flow = 1;
1320 			if (!strcmp(lgopts[opt_idx].name, "rxq-share")) {
1321 				if (optarg == NULL) {
1322 					rxq_share = UINT32_MAX;
1323 				} else {
1324 					n = atoi(optarg);
1325 					if (n >= 0)
1326 						rxq_share = (uint32_t)n;
1327 					else
1328 						rte_exit(EXIT_FAILURE, "rxq-share must be >= 0\n");
1329 				}
1330 			}
1331 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1332 				no_flush_rx = 1;
1333 			if (!strcmp(lgopts[opt_idx].name, "eth-link-speed")) {
1334 				n = atoi(optarg);
1335 				if (n >= 0 && parse_link_speed(n) > 0)
1336 					eth_link_speed = parse_link_speed(n);
1337 			}
1338 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1339 				no_link_check = 1;
1340 			if (!strcmp(lgopts[opt_idx].name, "disable-device-start"))
1341 				no_device_start = 1;
1342 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1343 				lsc_interrupt = 0;
1344 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1345 				rmv_interrupt = 0;
1346 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1347 				flow_isolate_all = 1;
1348 			if (!strcmp(lgopts[opt_idx].name, "disable-flow-flush"))
1349 				no_flow_flush = 1;
1350 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1351 				char *end = NULL;
1352 				n = strtoull(optarg, &end, 16);
1353 				if (n >= 0)
1354 					tx_offloads = (uint64_t)n;
1355 				else
1356 					rte_exit(EXIT_FAILURE,
1357 						 "tx-offloads must be >= 0\n");
1358 			}
1359 
1360 			if (!strcmp(lgopts[opt_idx].name, "rx-offloads")) {
1361 				char *end = NULL;
1362 				n = strtoull(optarg, &end, 16);
1363 				if (n >= 0)
1364 					rx_offloads = (uint64_t)n;
1365 				else
1366 					rte_exit(EXIT_FAILURE,
1367 						 "rx-offloads must be >= 0\n");
1368 			}
1369 
1370 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1371 				n = atoi(optarg);
1372 				if (n >= 0)
1373 					vxlan_gpe_udp_port = (uint16_t)n;
1374 				else
1375 					rte_exit(EXIT_FAILURE,
1376 						 "vxlan-gpe-port must be >= 0\n");
1377 			}
1378 			if (!strcmp(lgopts[opt_idx].name,
1379 				    "geneve-parsed-port")) {
1380 				n = atoi(optarg);
1381 				if (n >= 0)
1382 					geneve_udp_port = (uint16_t)n;
1383 				else
1384 					rte_exit(EXIT_FAILURE,
1385 						 "geneve-parsed-port must be >= 0\n");
1386 			}
1387 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1388 				if (parse_event_printing_config(optarg, 1)) {
1389 					rte_exit(EXIT_FAILURE,
1390 						 "invalid print-event argument\n");
1391 				}
1392 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1393 				if (parse_event_printing_config(optarg, 0)) {
1394 					rte_exit(EXIT_FAILURE,
1395 						 "invalid mask-event argument\n");
1396 				}
1397 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1398 				hot_plug = 1;
1399 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1400 				do_mlockall = 1;
1401 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1402 				do_mlockall = 0;
1403 			if (!strcmp(lgopts[opt_idx].name,
1404 				    "noisy-tx-sw-buffer-size")) {
1405 				n = atoi(optarg);
1406 				if (n >= 0)
1407 					noisy_tx_sw_bufsz = n;
1408 				else
1409 					rte_exit(EXIT_FAILURE,
1410 						"noisy-tx-sw-buffer-size must be >= 0\n");
1411 			}
1412 			if (!strcmp(lgopts[opt_idx].name,
1413 				    "noisy-tx-sw-buffer-flushtime")) {
1414 				n = atoi(optarg);
1415 				if (n >= 0)
1416 					noisy_tx_sw_buf_flush_time = n;
1417 				else
1418 					rte_exit(EXIT_FAILURE,
1419 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1420 			}
1421 			if (!strcmp(lgopts[opt_idx].name,
1422 				    "noisy-lkup-memory")) {
1423 				n = atoi(optarg);
1424 				if (n >= 0)
1425 					noisy_lkup_mem_sz = n;
1426 				else
1427 					rte_exit(EXIT_FAILURE,
1428 						 "noisy-lkup-memory must be >= 0\n");
1429 			}
1430 			if (!strcmp(lgopts[opt_idx].name,
1431 				    "noisy-lkup-num-writes")) {
1432 				n = atoi(optarg);
1433 				if (n >= 0)
1434 					noisy_lkup_num_writes = n;
1435 				else
1436 					rte_exit(EXIT_FAILURE,
1437 						 "noisy-lkup-num-writes must be >= 0\n");
1438 			}
1439 			if (!strcmp(lgopts[opt_idx].name,
1440 				    "noisy-lkup-num-reads")) {
1441 				n = atoi(optarg);
1442 				if (n >= 0)
1443 					noisy_lkup_num_reads = n;
1444 				else
1445 					rte_exit(EXIT_FAILURE,
1446 						 "noisy-lkup-num-reads must be >= 0\n");
1447 			}
1448 			if (!strcmp(lgopts[opt_idx].name,
1449 				    "noisy-lkup-num-reads-writes")) {
1450 				n = atoi(optarg);
1451 				if (n >= 0)
1452 					noisy_lkup_num_reads_writes = n;
1453 				else
1454 					rte_exit(EXIT_FAILURE,
1455 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1456 			}
1457 			if (!strcmp(lgopts[opt_idx].name,
1458 				    "noisy-forward-mode")) {
1459 				int i;
1460 				for (i = 0; i < NOISY_FWD_MODE_MAX; i++)
1461 					if (!strcmp(optarg, noisy_fwd_mode_desc[i])) {
1462 						noisy_fwd_mode = i;
1463 						break;
1464 					}
1465 				if (i == NOISY_FWD_MODE_MAX)
1466 					rte_exit(EXIT_FAILURE, "noisy-forward-mode %s invalid,"
1467 						 " must be a valid noisy-forward-mode value\n",
1468 						 optarg);
1469 			}
1470 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1471 				mempool_flags = RTE_MEMPOOL_F_NO_IOVA_CONTIG;
1472 
1473 			if (!strcmp(lgopts[opt_idx].name, "rx-mq-mode")) {
1474 				char *end = NULL;
1475 				n = strtoul(optarg, &end, 16);
1476 				if (n >= 0 && n <= RTE_ETH_MQ_RX_VMDQ_DCB_RSS)
1477 					rx_mq_mode = (enum rte_eth_rx_mq_mode)n;
1478 				else
1479 					rte_exit(EXIT_FAILURE,
1480 						 "rx-mq-mode must be >= 0 and <= %d\n",
1481 						 RTE_ETH_MQ_RX_VMDQ_DCB_RSS);
1482 			}
1483 			if (!strcmp(lgopts[opt_idx].name, "record-core-cycles"))
1484 				record_core_cycles = 1;
1485 			if (!strcmp(lgopts[opt_idx].name, "record-burst-stats"))
1486 				record_burst_stats = 1;
1487 			if (!strcmp(lgopts[opt_idx].name, PARAM_NUM_PROCS))
1488 				num_procs = atoi(optarg);
1489 			if (!strcmp(lgopts[opt_idx].name, PARAM_PROC_ID))
1490 				proc_id = atoi(optarg);
1491 			break;
1492 		case 'h':
1493 			usage(argv[0]);
1494 			exit(EXIT_SUCCESS);
1495 			break;
1496 		default:
1497 			usage(argv[0]);
1498 			fprintf(stderr, "Invalid option: %s\n", argv[optind]);
1499 			rte_exit(EXIT_FAILURE,
1500 				 "Command line is incomplete or incorrect\n");
1501 			break;
1502 		}
1503 	}
1504 
1505 	if (optind != argc) {
1506 		usage(argv[0]);
1507 		fprintf(stderr, "Invalid parameter: %s\n", argv[optind]);
1508 		rte_exit(EXIT_FAILURE, "Command line is incorrect\n");
1509 	}
1510 
1511 	if (proc_id >= (int)num_procs)
1512 		rte_exit(EXIT_FAILURE,
1513 			 "The multi-process option '%s(%d)' should be less than '%s(%u)'\n",
1514 			 PARAM_PROC_ID, proc_id,
1515 			 PARAM_NUM_PROCS, num_procs);
1516 
1517 	/* Set offload configuration from command line parameters. */
1518 	rx_mode.offloads = rx_offloads;
1519 	tx_mode.offloads = tx_offloads;
1520 
1521 	if (mempool_flags & RTE_MEMPOOL_F_NO_IOVA_CONTIG &&
1522 	    mp_alloc_type != MP_ALLOC_ANON) {
1523 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1524 				  "mp-alloc=anon. mempool no-iova-contig is "
1525 				  "ignored\n");
1526 		mempool_flags = 0;
1527 	}
1528 }
1529