xref: /dpdk/app/test-pmd/parameters.c (revision 53e6597643e47652af29baa24df7566fffbf8b0c)
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 #ifdef RTE_LIB_LATENCYSTATS
105 	printf("  --latencystats=N: enable latency and jitter statistics "
106 	       "monitoring on forwarding lcore id N.\n");
107 #endif
108 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
109 	printf("  --enable-scatter: enable scattered Rx.\n");
110 	printf("  --enable-lro: enable large receive offload.\n");
111 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
112 	printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
113 	printf("  --enable-hw-vlan: enable hardware vlan.\n");
114 	printf("  --enable-hw-vlan-filter: enable hardware vlan filter.\n");
115 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
116 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
117 	printf("  --enable-hw-qinq-strip: enable hardware qinq strip.\n");
118 	printf("  --enable-drop-en: enable per queue packet drop.\n");
119 	printf("  --disable-rss: disable rss.\n");
120 	printf("  --port-topology=<paired|chained|loop>: set port topology (paired "
121 	       "is default).\n");
122 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
123 	       list_pkt_forwarding_modes());
124 	printf("  --forward-mode=5tswap: set forwarding mode to "
125 			"swap L2,L3,L4 for MAC, IPv4/IPv6 and TCP/UDP only.\n");
126 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
127 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
128 	printf("  --rss-level-inner: set RSS hash level to innermost\n");
129 	printf("  --rss-level-outer: set RSS hash level to outermost\n");
130 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
131 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
132 	printf("  --txq=N: set the number of TX queues per port to N.\n");
133 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
134 	printf("  --hairpinq=N: set the number of hairpin queues per port to "
135 	       "N.\n");
136 	printf("  --burst=N: set the number of packets per burst to N.\n");
137 	printf("  --flowgen-clones=N: set the number of single packet clones to send in flowgen mode. Should be less than burst value.\n");
138 	printf("  --flowgen-flows=N: set the number of flows in flowgen mode to N (1 <= N <= INT32_MAX).\n");
139 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
140 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
141 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
142 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
143 	       "(0 <= N < value of rxd).\n");
144 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
145 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
146 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
147 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
148 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
149 	       "(0 <= N <= value of txd).\n");
150 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
151 	       "(0 <= N <= value of txd).\n");
152 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
153 	       " Used mainly with PCAP drivers.\n");
154 	printf("  --rxoffs=X[,Y]*: set RX segment offsets for split.\n");
155 	printf("  --rxpkts=X[,Y]*: set RX segment sizes to split.\n");
156 	printf("  --rxhdrs=eth[,ipv4]*: set RX segment protocol to split.\n");
157 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
158 		" or total packet length.\n");
159 	printf("  --multi-rx-mempool: enable multi-rx-mempool support\n");
160 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
161 	printf("  --tx-ip=src,dst: IP addresses in Tx-only mode\n");
162 	printf("  --tx-udp=src[,dst]: UDP ports in Tx-only mode\n");
163 	printf("  --eth-link-speed: force link speed.\n");
164 	printf("  --rxq-share=X: number of ports per shared Rx queue groups, defaults to UINT32_MAX (1 group)\n");
165 	printf("  --disable-link-check: disable check on link status when "
166 	       "starting/stopping ports.\n");
167 	printf("  --disable-device-start: do not automatically start port\n");
168 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
169 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
170 	printf("  --bitrate-stats=N: set the logical core N to perform "
171 		"bit-rate calculation.\n");
172 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|err_recovering|recovery_success|recovery_failed|all>: "
173 	       "enable print of designated event or all of them.\n");
174 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|err_recovering|recovery_success|recovery_failed||all>: "
175 	       "disable print of designated event or all of them.\n");
176 	printf("  --flow-isolate-all: "
177 	       "requests flow API isolated mode on all ports at initialization time.\n");
178 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
179 	printf("  --rx-offloads=0xXXXXXXXX: hexadecimal bitmask of RX queue offloads\n");
180 	printf("  --hot-plug: enable hot plug for device.\n");
181 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
182 	printf("  --geneve-parsed-port=N: UPD port to parse GENEVE tunnel protocol\n");
183 #ifndef RTE_EXEC_ENV_WINDOWS
184 	printf("  --mlockall: lock all memory\n");
185 	printf("  --no-mlockall: do not lock all memory\n");
186 #endif
187 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
188 	       "    native: use regular DPDK memory to create and populate mempool\n"
189 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
190 	       "    xmem: use anonymous memory to create and populate mempool\n"
191 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
192 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
193 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
194 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
195 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
196 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
197 	printf("  --noisy-lkup-num-reads-writes=N: do N random reads and writes per packet\n");
198 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
199 	       "valid only with --mp-alloc=anon\n");
200 	printf("  --rx-mq-mode=0xX: hexadecimal bitmask of RX mq mode can be "
201 	       "enabled\n");
202 	printf("  --record-core-cycles: enable measurement of CPU cycles.\n");
203 	printf("  --record-burst-stats: enable display of RX and TX bursts.\n");
204 	printf("  --hairpin-mode=0xXX: bitmask set the hairpin port mode.\n"
205 	       "    0x10 - explicit Tx rule, 0x02 - hairpin ports paired\n"
206 	       "    0x01 - hairpin ports loop, 0x00 - hairpin port self\n");
207 }
208 
209 #ifdef RTE_LIB_CMDLINE
210 static int
211 init_peer_eth_addrs(const char *config_filename)
212 {
213 	FILE *config_file;
214 	portid_t i;
215 	char buf[50];
216 
217 	config_file = fopen(config_filename, "r");
218 	if (config_file == NULL) {
219 		perror("Failed to open eth config file\n");
220 		return -1;
221 	}
222 
223 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
224 
225 		if (fgets(buf, sizeof(buf), config_file) == NULL)
226 			break;
227 
228 		if (rte_ether_unformat_addr(buf, &peer_eth_addrs[i]) < 0) {
229 			fprintf(stderr, "Bad MAC address format on line %d\n",
230 				i + 1);
231 			fclose(config_file);
232 			return -1;
233 		}
234 	}
235 	fclose(config_file);
236 	nb_peer_eth_addrs = (portid_t) i;
237 	return 0;
238 }
239 #endif
240 
241 /*
242  * Parse the coremask given as argument (hexadecimal string) and set
243  * the global configuration of forwarding cores.
244  */
245 static void
246 parse_fwd_coremask(const char *coremask)
247 {
248 	char *end;
249 	unsigned long long int cm;
250 
251 	/* parse hexadecimal string */
252 	end = NULL;
253 	cm = strtoull(coremask, &end, 16);
254 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
255 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
256 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
257 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
258 }
259 
260 /*
261  * Parse the coremask given as argument (hexadecimal string) and set
262  * the global configuration of forwarding cores.
263  */
264 static void
265 parse_fwd_portmask(const char *portmask)
266 {
267 	char *end;
268 	unsigned long long int pm;
269 
270 	/* parse hexadecimal string */
271 	end = NULL;
272 	pm = strtoull(portmask, &end, 16);
273 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
274 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
275 	else
276 		set_fwd_ports_mask((uint64_t) pm);
277 }
278 
279 static void
280 print_invalid_socket_id_error(void)
281 {
282 	unsigned int i = 0;
283 
284 	fprintf(stderr, "Invalid socket id, options are: ");
285 	for (i = 0; i < num_sockets; i++) {
286 		fprintf(stderr, "%u%s", socket_ids[i],
287 			(i == num_sockets - 1) ? "\n" : ",");
288 	}
289 }
290 
291 static int
292 parse_portnuma_config(const char *q_arg)
293 {
294 	char s[256];
295 	const char *p, *p0 = q_arg;
296 	char *end;
297 	uint8_t i, socket_id;
298 	portid_t port_id;
299 	unsigned size;
300 	enum fieldnames {
301 		FLD_PORT = 0,
302 		FLD_SOCKET,
303 		_NUM_FLD
304 	};
305 	unsigned long int_fld[_NUM_FLD];
306 	char *str_fld[_NUM_FLD];
307 
308 	/* reset from value set at definition */
309 	while ((p = strchr(p0,'(')) != NULL) {
310 		++p;
311 		if((p0 = strchr(p,')')) == NULL)
312 			return -1;
313 
314 		size = p0 - p;
315 		if(size >= sizeof(s))
316 			return -1;
317 
318 		snprintf(s, sizeof(s), "%.*s", size, p);
319 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
320 			return -1;
321 		for (i = 0; i < _NUM_FLD; i++) {
322 			errno = 0;
323 			int_fld[i] = strtoul(str_fld[i], &end, 0);
324 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
325 				return -1;
326 		}
327 		port_id = (portid_t)int_fld[FLD_PORT];
328 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
329 			port_id == (portid_t)RTE_PORT_ALL) {
330 			print_valid_ports();
331 			return -1;
332 		}
333 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
334 		if (new_socket_id(socket_id)) {
335 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
336 				print_invalid_socket_id_error();
337 				return -1;
338 			}
339 			socket_ids[num_sockets++] = socket_id;
340 		}
341 		port_numa[port_id] = socket_id;
342 	}
343 
344 	return 0;
345 }
346 
347 static int
348 parse_ringnuma_config(const char *q_arg)
349 {
350 	char s[256];
351 	const char *p, *p0 = q_arg;
352 	char *end;
353 	uint8_t i, ring_flag, socket_id;
354 	portid_t port_id;
355 	unsigned size;
356 	enum fieldnames {
357 		FLD_PORT = 0,
358 		FLD_FLAG,
359 		FLD_SOCKET,
360 		_NUM_FLD
361 	};
362 	unsigned long int_fld[_NUM_FLD];
363 	char *str_fld[_NUM_FLD];
364 	#define RX_RING_ONLY 0x1
365 	#define TX_RING_ONLY 0x2
366 	#define RXTX_RING    0x3
367 
368 	/* reset from value set at definition */
369 	while ((p = strchr(p0,'(')) != NULL) {
370 		++p;
371 		if((p0 = strchr(p,')')) == NULL)
372 			return -1;
373 
374 		size = p0 - p;
375 		if(size >= sizeof(s))
376 			return -1;
377 
378 		snprintf(s, sizeof(s), "%.*s", size, p);
379 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
380 			return -1;
381 		for (i = 0; i < _NUM_FLD; i++) {
382 			errno = 0;
383 			int_fld[i] = strtoul(str_fld[i], &end, 0);
384 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
385 				return -1;
386 		}
387 		port_id = (portid_t)int_fld[FLD_PORT];
388 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
389 			port_id == (portid_t)RTE_PORT_ALL) {
390 			print_valid_ports();
391 			return -1;
392 		}
393 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
394 		if (new_socket_id(socket_id)) {
395 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
396 				print_invalid_socket_id_error();
397 				return -1;
398 			}
399 			socket_ids[num_sockets++] = socket_id;
400 		}
401 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
402 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
403 			fprintf(stderr,
404 				"Invalid ring-flag=%d config for port =%d\n",
405 				ring_flag,port_id);
406 			return -1;
407 		}
408 
409 		switch (ring_flag & RXTX_RING) {
410 		case RX_RING_ONLY:
411 			rxring_numa[port_id] = socket_id;
412 			break;
413 		case TX_RING_ONLY:
414 			txring_numa[port_id] = socket_id;
415 			break;
416 		case RXTX_RING:
417 			rxring_numa[port_id] = socket_id;
418 			txring_numa[port_id] = socket_id;
419 			break;
420 		default:
421 			fprintf(stderr,
422 				"Invalid ring-flag=%d config for port=%d\n",
423 				ring_flag,port_id);
424 			break;
425 		}
426 	}
427 
428 	return 0;
429 }
430 
431 static int
432 parse_event_printing_config(const char *optarg, int enable)
433 {
434 	uint32_t mask = 0;
435 
436 	if (!strcmp(optarg, "unknown"))
437 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
438 	else if (!strcmp(optarg, "intr_lsc"))
439 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
440 	else if (!strcmp(optarg, "queue_state"))
441 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
442 	else if (!strcmp(optarg, "intr_reset"))
443 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
444 	else if (!strcmp(optarg, "vf_mbox"))
445 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
446 	else if (!strcmp(optarg, "ipsec"))
447 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
448 	else if (!strcmp(optarg, "macsec"))
449 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
450 	else if (!strcmp(optarg, "intr_rmv"))
451 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
452 	else if (!strcmp(optarg, "dev_probed"))
453 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
454 	else if (!strcmp(optarg, "dev_released"))
455 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
456 	else if (!strcmp(optarg, "flow_aged"))
457 		mask = UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED;
458 	else if (!strcmp(optarg, "err_recovering"))
459 		mask = UINT32_C(1) << RTE_ETH_EVENT_ERR_RECOVERING;
460 	else if (!strcmp(optarg, "recovery_success"))
461 		mask = UINT32_C(1) << RTE_ETH_EVENT_RECOVERY_SUCCESS;
462 	else if (!strcmp(optarg, "recovery_failed"))
463 		mask = UINT32_C(1) << RTE_ETH_EVENT_RECOVERY_FAILED;
464 	else if (!strcmp(optarg, "all"))
465 		mask = ~UINT32_C(0);
466 	else {
467 		fprintf(stderr, "Invalid event: %s\n", optarg);
468 		return -1;
469 	}
470 	if (enable)
471 		event_print_mask |= mask;
472 	else
473 		event_print_mask &= ~mask;
474 	return 0;
475 }
476 
477 static int
478 parse_xstats_list(const char *in_str, struct rte_eth_xstat_name **xstats,
479 		  unsigned int *xstats_num)
480 {
481 	int max_names_nb, names_nb, nonempty_names_nb;
482 	int name, nonempty_name;
483 	int stringlen;
484 	char **names;
485 	char *str;
486 	int ret;
487 	int i;
488 
489 	names = NULL;
490 	str = strdup(in_str);
491 	if (str == NULL) {
492 		ret = -ENOMEM;
493 		goto out;
494 	}
495 	stringlen = strlen(str);
496 
497 	for (i = 0, max_names_nb = 1; str[i] != '\0'; i++) {
498 		if (str[i] == ',')
499 			max_names_nb++;
500 	}
501 
502 	names = calloc(max_names_nb, sizeof(*names));
503 	if (names == NULL) {
504 		ret = -ENOMEM;
505 		goto out;
506 	}
507 
508 	names_nb = rte_strsplit(str, stringlen, names, max_names_nb, ',');
509 	if (names_nb < 0) {
510 		ret = -EINVAL;
511 		goto out;
512 	}
513 
514 	nonempty_names_nb = 0;
515 	for (i = 0; i < names_nb; i++) {
516 		if (names[i][0] == '\0')
517 			continue;
518 		nonempty_names_nb++;
519 	}
520 	*xstats = calloc(nonempty_names_nb, sizeof(**xstats));
521 	if (*xstats == NULL) {
522 		ret = -ENOMEM;
523 		goto out;
524 	}
525 
526 	for (name = nonempty_name = 0; name < names_nb; name++) {
527 		if (names[name][0] == '\0')
528 			continue;
529 		rte_strscpy((*xstats)[nonempty_name].name, names[name],
530 			    sizeof((*xstats)[nonempty_name].name));
531 		nonempty_name++;
532 	}
533 
534 	*xstats_num = nonempty_names_nb;
535 	ret = 0;
536 
537 out:
538 	free(names);
539 	free(str);
540 	return ret;
541 }
542 
543 static int
544 parse_link_speed(int n)
545 {
546 	uint32_t speed = RTE_ETH_LINK_SPEED_FIXED;
547 
548 	switch (n) {
549 	case 1000:
550 		speed |= RTE_ETH_LINK_SPEED_1G;
551 		break;
552 	case 10000:
553 		speed |= RTE_ETH_LINK_SPEED_10G;
554 		break;
555 	case 25000:
556 		speed |= RTE_ETH_LINK_SPEED_25G;
557 		break;
558 	case 40000:
559 		speed |= RTE_ETH_LINK_SPEED_40G;
560 		break;
561 	case 50000:
562 		speed |= RTE_ETH_LINK_SPEED_50G;
563 		break;
564 	case 100000:
565 		speed |= RTE_ETH_LINK_SPEED_100G;
566 		break;
567 	case 200000:
568 		speed |= RTE_ETH_LINK_SPEED_200G;
569 		break;
570 	case 100:
571 	case 10:
572 	default:
573 		fprintf(stderr, "Unsupported fixed speed\n");
574 		return 0;
575 	}
576 
577 	return speed;
578 }
579 
580 void
581 launch_args_parse(int argc, char** argv)
582 {
583 #define PARAM_PROC_ID "proc-id"
584 #define PARAM_NUM_PROCS "num-procs"
585 
586 	int n, opt;
587 	char **argvopt;
588 	int opt_idx;
589 	portid_t pid;
590 	enum { TX, RX };
591 	/* Default offloads for all ports. */
592 	uint64_t rx_offloads = rx_mode.offloads;
593 	uint64_t tx_offloads = tx_mode.offloads;
594 	struct rte_eth_dev_info dev_info;
595 	uint16_t rec_nb_pkts;
596 	int ret;
597 
598 	static struct option lgopts[] = {
599 		{ "help",			0, 0, 0 },
600 #ifdef RTE_LIB_CMDLINE
601 		{ "interactive",		0, 0, 0 },
602 		{ "cmdline-file",		1, 0, 0 },
603 		{ "auto-start",			0, 0, 0 },
604 		{ "eth-peers-configfile",	1, 0, 0 },
605 		{ "eth-peer",			1, 0, 0 },
606 #endif
607 		{ "tx-first",			0, 0, 0 },
608 		{ "stats-period",		1, 0, 0 },
609 		{ "display-xstats",		1, 0, 0 },
610 		{ "nb-cores",			1, 0, 0 },
611 		{ "nb-ports",			1, 0, 0 },
612 		{ "coremask",			1, 0, 0 },
613 		{ "portmask",			1, 0, 0 },
614 		{ "portlist",			1, 0, 0 },
615 		{ "numa",			0, 0, 0 },
616 		{ "no-numa",			0, 0, 0 },
617 		{ "mp-anon",			0, 0, 0 }, /* deprecated */
618 		{ "port-numa-config",           1, 0, 0 },
619 		{ "ring-numa-config",           1, 0, 0 },
620 		{ "socket-num",			1, 0, 0 },
621 		{ "mbuf-size",			1, 0, 0 },
622 		{ "total-num-mbufs",		1, 0, 0 },
623 		{ "max-pkt-len",		1, 0, 0 },
624 		{ "max-lro-pkt-size",		1, 0, 0 },
625 #ifdef RTE_LIB_LATENCYSTATS
626 		{ "latencystats",               1, 0, 0 },
627 #endif
628 #ifdef RTE_LIB_BITRATESTATS
629 		{ "bitrate-stats",              1, 0, 0 },
630 #endif
631 		{ "disable-crc-strip",          0, 0, 0 },
632 		{ "enable-lro",                 0, 0, 0 },
633 		{ "enable-rx-cksum",            0, 0, 0 },
634 		{ "enable-rx-timestamp",        0, 0, 0 },
635 		{ "enable-scatter",             0, 0, 0 },
636 		{ "enable-hw-vlan",             0, 0, 0 },
637 		{ "enable-hw-vlan-filter",      0, 0, 0 },
638 		{ "enable-hw-vlan-strip",       0, 0, 0 },
639 		{ "enable-hw-vlan-extend",      0, 0, 0 },
640 		{ "enable-hw-qinq-strip",       0, 0, 0 },
641 		{ "enable-drop-en",            0, 0, 0 },
642 		{ "disable-rss",                0, 0, 0 },
643 		{ "port-topology",              1, 0, 0 },
644 		{ "forward-mode",               1, 0, 0 },
645 		{ "rss-ip",			0, 0, 0 },
646 		{ "rss-udp",			0, 0, 0 },
647 		{ "rss-level-outer",		0, 0, 0 },
648 		{ "rss-level-inner",		0, 0, 0 },
649 		{ "rxq",			1, 0, 0 },
650 		{ "txq",			1, 0, 0 },
651 		{ "rxd",			1, 0, 0 },
652 		{ "txd",			1, 0, 0 },
653 		{ "hairpinq",			1, 0, 0 },
654 		{ "hairpin-mode",		1, 0, 0 },
655 		{ "burst",			1, 0, 0 },
656 		{ "flowgen-clones",		1, 0, 0 },
657 		{ "flowgen-flows",		1, 0, 0 },
658 		{ "mbcache",			1, 0, 0 },
659 		{ "txpt",			1, 0, 0 },
660 		{ "txht",			1, 0, 0 },
661 		{ "txwt",			1, 0, 0 },
662 		{ "txfreet",			1, 0, 0 },
663 		{ "txrst",			1, 0, 0 },
664 		{ "rxpt",			1, 0, 0 },
665 		{ "rxht",			1, 0, 0 },
666 		{ "rxwt",			1, 0, 0 },
667 		{ "rxfreet",                    1, 0, 0 },
668 		{ "no-flush-rx",	0, 0, 0 },
669 		{ "flow-isolate-all",	        0, 0, 0 },
670 		{ "rxoffs",			1, 0, 0 },
671 		{ "rxpkts",			1, 0, 0 },
672 		{ "rxhdrs",			1, 0, 0 },
673 		{ "txpkts",			1, 0, 0 },
674 		{ "multi-rx-mempool",           0, 0, 0 },
675 		{ "txonly-multi-flow",		0, 0, 0 },
676 		{ "rxq-share",			2, 0, 0 },
677 		{ "eth-link-speed",		1, 0, 0 },
678 		{ "disable-link-check",		0, 0, 0 },
679 		{ "disable-device-start",	0, 0, 0 },
680 		{ "no-lsc-interrupt",		0, 0, 0 },
681 		{ "no-rmv-interrupt",		0, 0, 0 },
682 		{ "print-event",		1, 0, 0 },
683 		{ "mask-event",			1, 0, 0 },
684 		{ "tx-offloads",		1, 0, 0 },
685 		{ "rx-offloads",		1, 0, 0 },
686 		{ "hot-plug",			0, 0, 0 },
687 		{ "vxlan-gpe-port",		1, 0, 0 },
688 		{ "geneve-parsed-port",		1, 0, 0 },
689 #ifndef RTE_EXEC_ENV_WINDOWS
690 		{ "mlockall",			0, 0, 0 },
691 		{ "no-mlockall",		0, 0, 0 },
692 #endif
693 		{ "mp-alloc",			1, 0, 0 },
694 		{ "tx-ip",			1, 0, 0 },
695 		{ "tx-udp",			1, 0, 0 },
696 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
697 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
698 		{ "noisy-lkup-memory",		1, 0, 0 },
699 		{ "noisy-lkup-num-writes",	1, 0, 0 },
700 		{ "noisy-lkup-num-reads",	1, 0, 0 },
701 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
702 		{ "no-iova-contig",             0, 0, 0 },
703 		{ "rx-mq-mode",                 1, 0, 0 },
704 		{ "record-core-cycles",         0, 0, 0 },
705 		{ "record-burst-stats",         0, 0, 0 },
706 		{ PARAM_NUM_PROCS,              1, 0, 0 },
707 		{ PARAM_PROC_ID,                1, 0, 0 },
708 		{ 0, 0, 0, 0 },
709 	};
710 
711 	argvopt = argv;
712 
713 #ifdef RTE_LIB_CMDLINE
714 #define SHORTOPTS "i"
715 #else
716 #define SHORTOPTS ""
717 #endif
718 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
719 				 lgopts, &opt_idx)) != EOF) {
720 		switch (opt) {
721 #ifdef RTE_LIB_CMDLINE
722 		case 'i':
723 			printf("Interactive-mode selected\n");
724 			interactive = 1;
725 			break;
726 #endif
727 		case 'a':
728 			printf("Auto-start selected\n");
729 			auto_start = 1;
730 			break;
731 
732 		case 0: /*long options */
733 			if (!strcmp(lgopts[opt_idx].name, "help")) {
734 				usage(argv[0]);
735 				exit(EXIT_SUCCESS);
736 			}
737 #ifdef RTE_LIB_CMDLINE
738 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
739 				printf("Interactive-mode selected\n");
740 				interactive = 1;
741 			}
742 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
743 				printf("CLI commands to be read from %s\n",
744 				       optarg);
745 				strlcpy(cmdline_filename, optarg,
746 					sizeof(cmdline_filename));
747 			}
748 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
749 				printf("Auto-start selected\n");
750 				auto_start = 1;
751 			}
752 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
753 				printf("Ports to start sending a burst of "
754 						"packets first\n");
755 				tx_first = 1;
756 			}
757 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
758 				char *end = NULL;
759 				unsigned int n;
760 
761 				n = strtoul(optarg, &end, 10);
762 				if ((optarg[0] == '\0') || (end == NULL) ||
763 						(*end != '\0'))
764 					break;
765 
766 				stats_period = n;
767 				break;
768 			}
769 			if (!strcmp(lgopts[opt_idx].name, "display-xstats")) {
770 				char rc;
771 
772 				rc = parse_xstats_list(optarg, &xstats_display,
773 						       &xstats_display_num);
774 				if (rc != 0)
775 					rte_exit(EXIT_FAILURE,
776 						 "Failed to parse display-xstats argument: %d\n",
777 						 rc);
778 			}
779 			if (!strcmp(lgopts[opt_idx].name,
780 				    "eth-peers-configfile")) {
781 				if (init_peer_eth_addrs(optarg) != 0)
782 					rte_exit(EXIT_FAILURE,
783 						 "Cannot open logfile\n");
784 			}
785 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
786 				char *port_end;
787 
788 				errno = 0;
789 				n = strtoul(optarg, &port_end, 10);
790 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
791 					rte_exit(EXIT_FAILURE,
792 						 "Invalid eth-peer: %s", optarg);
793 				if (n >= RTE_MAX_ETHPORTS)
794 					rte_exit(EXIT_FAILURE,
795 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
796 						 n, RTE_MAX_ETHPORTS);
797 
798 				if (rte_ether_unformat_addr(port_end,
799 						&peer_eth_addrs[n]) < 0)
800 					rte_exit(EXIT_FAILURE,
801 						 "Invalid ethernet address: %s\n",
802 						 port_end);
803 				nb_peer_eth_addrs++;
804 			}
805 #endif
806 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
807 				struct in_addr in;
808 				char *end;
809 
810 				end = strchr(optarg, ',');
811 				if (end == optarg || !end)
812 					rte_exit(EXIT_FAILURE,
813 						 "Invalid tx-ip: %s", optarg);
814 
815 				*end++ = 0;
816 				if (inet_pton(AF_INET, optarg, &in) == 0)
817 					rte_exit(EXIT_FAILURE,
818 						 "Invalid source IP address: %s\n",
819 						 optarg);
820 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
821 
822 				if (inet_pton(AF_INET, end, &in) == 0)
823 					rte_exit(EXIT_FAILURE,
824 						 "Invalid destination IP address: %s\n",
825 						 optarg);
826 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
827 			}
828 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
829 				char *end = NULL;
830 
831 				errno = 0;
832 				n = strtoul(optarg, &end, 10);
833 				if (errno != 0 || end == optarg ||
834 				    n > UINT16_MAX ||
835 				    !(*end == '\0' || *end == ','))
836 					rte_exit(EXIT_FAILURE,
837 						 "Invalid UDP port: %s\n",
838 						 optarg);
839 				tx_udp_src_port = n;
840 				if (*end == ',') {
841 					char *dst = end + 1;
842 
843 					n = strtoul(dst, &end, 10);
844 					if (errno != 0 || end == dst ||
845 					    n > UINT16_MAX || *end)
846 						rte_exit(EXIT_FAILURE,
847 							 "Invalid destination UDP port: %s\n",
848 							 dst);
849 					tx_udp_dst_port = n;
850 				} else {
851 					tx_udp_dst_port = n;
852 				}
853 
854 			}
855 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
856 				n = atoi(optarg);
857 				if (n > 0 && n <= nb_ports)
858 					nb_fwd_ports = n;
859 				else
860 					rte_exit(EXIT_FAILURE,
861 						 "Invalid port %d\n", n);
862 			}
863 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
864 				n = atoi(optarg);
865 				if (n > 0 && n <= nb_lcores)
866 					nb_fwd_lcores = (uint8_t) n;
867 				else
868 					rte_exit(EXIT_FAILURE,
869 						 "nb-cores should be > 0 and <= %d\n",
870 						 nb_lcores);
871 			}
872 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
873 				parse_fwd_coremask(optarg);
874 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
875 				parse_fwd_portmask(optarg);
876 			if (!strcmp(lgopts[opt_idx].name, "portlist"))
877 				parse_fwd_portlist(optarg);
878 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
879 				numa_support = 0;
880 			if (!strcmp(lgopts[opt_idx].name, "numa"))
881 				numa_support = 1;
882 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
883 				mp_alloc_type = MP_ALLOC_ANON;
884 			}
885 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
886 				if (!strcmp(optarg, "native"))
887 					mp_alloc_type = MP_ALLOC_NATIVE;
888 				else if (!strcmp(optarg, "anon"))
889 					mp_alloc_type = MP_ALLOC_ANON;
890 				else if (!strcmp(optarg, "xmem"))
891 					mp_alloc_type = MP_ALLOC_XMEM;
892 				else if (!strcmp(optarg, "xmemhuge"))
893 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
894 				else if (!strcmp(optarg, "xbuf"))
895 					mp_alloc_type = MP_ALLOC_XBUF;
896 				else
897 					rte_exit(EXIT_FAILURE,
898 						"mp-alloc %s invalid - must be: "
899 						"native, anon, xmem or xmemhuge\n",
900 						 optarg);
901 			}
902 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
903 				if (parse_portnuma_config(optarg))
904 					rte_exit(EXIT_FAILURE,
905 					   "invalid port-numa configuration\n");
906 			}
907 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
908 				if (parse_ringnuma_config(optarg))
909 					rte_exit(EXIT_FAILURE,
910 					   "invalid ring-numa configuration\n");
911 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
912 				n = atoi(optarg);
913 				if (!new_socket_id((uint8_t)n)) {
914 					socket_num = (uint8_t)n;
915 				} else {
916 					print_invalid_socket_id_error();
917 					rte_exit(EXIT_FAILURE,
918 						"Invalid socket id");
919 				}
920 			}
921 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
922 				unsigned int mb_sz[MAX_SEGS_BUFFER_SPLIT];
923 				unsigned int nb_segs, i;
924 
925 				nb_segs = parse_item_list(optarg, "mbuf-size",
926 					MAX_SEGS_BUFFER_SPLIT, mb_sz, 0);
927 				if (nb_segs <= 0)
928 					rte_exit(EXIT_FAILURE,
929 						 "bad mbuf-size\n");
930 				for (i = 0; i < nb_segs; i++) {
931 					if (mb_sz[i] <= 0 || mb_sz[i] > 0xFFFF)
932 						rte_exit(EXIT_FAILURE,
933 							 "mbuf-size should be "
934 							 "> 0 and < 65536\n");
935 					mbuf_data_size[i] = (uint16_t) mb_sz[i];
936 				}
937 				mbuf_data_size_n = nb_segs;
938 			}
939 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
940 				n = atoi(optarg);
941 				if (n > MIN_TOTAL_NUM_MBUFS)
942 					param_total_num_mbufs = (unsigned)n;
943 				else
944 					rte_exit(EXIT_FAILURE,
945 						 "total-num-mbufs should be > %d\n",
946 						 MIN_TOTAL_NUM_MBUFS);
947 			}
948 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
949 				n = atoi(optarg);
950 				if (n >= RTE_ETHER_MIN_LEN)
951 					max_rx_pkt_len = n;
952 				else
953 					rte_exit(EXIT_FAILURE,
954 						 "Invalid max-pkt-len=%d - should be > %d\n",
955 						 n, RTE_ETHER_MIN_LEN);
956 			}
957 			if (!strcmp(lgopts[opt_idx].name, "max-lro-pkt-size")) {
958 				n = atoi(optarg);
959 				rx_mode.max_lro_pkt_size = (uint32_t) n;
960 			}
961 #ifdef RTE_LIB_LATENCYSTATS
962 			if (!strcmp(lgopts[opt_idx].name,
963 				    "latencystats")) {
964 				n = atoi(optarg);
965 				if (n >= 0) {
966 					latencystats_lcore_id = (lcoreid_t) n;
967 					latencystats_enabled = 1;
968 				} else
969 					rte_exit(EXIT_FAILURE,
970 						 "invalid lcore id %d for latencystats"
971 						 " must be >= 0\n", n);
972 			}
973 #endif
974 #ifdef RTE_LIB_BITRATESTATS
975 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
976 				n = atoi(optarg);
977 				if (n >= 0) {
978 					bitrate_lcore_id = (lcoreid_t) n;
979 					bitrate_enabled = 1;
980 				} else
981 					rte_exit(EXIT_FAILURE,
982 						 "invalid lcore id %d for bitrate stats"
983 						 " must be >= 0\n", n);
984 			}
985 #endif
986 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
987 				rx_offloads |= RTE_ETH_RX_OFFLOAD_KEEP_CRC;
988 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
989 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TCP_LRO;
990 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
991 				rx_offloads |= RTE_ETH_RX_OFFLOAD_SCATTER;
992 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
993 				rx_offloads |= RTE_ETH_RX_OFFLOAD_CHECKSUM;
994 			if (!strcmp(lgopts[opt_idx].name,
995 					"enable-rx-timestamp"))
996 				rx_offloads |= RTE_ETH_RX_OFFLOAD_TIMESTAMP;
997 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
998 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN;
999 
1000 			if (!strcmp(lgopts[opt_idx].name,
1001 					"enable-hw-vlan-filter"))
1002 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_FILTER;
1003 
1004 			if (!strcmp(lgopts[opt_idx].name,
1005 					"enable-hw-vlan-strip"))
1006 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
1007 
1008 			if (!strcmp(lgopts[opt_idx].name,
1009 					"enable-hw-vlan-extend"))
1010 				rx_offloads |= RTE_ETH_RX_OFFLOAD_VLAN_EXTEND;
1011 
1012 			if (!strcmp(lgopts[opt_idx].name,
1013 					"enable-hw-qinq-strip"))
1014 				rx_offloads |= RTE_ETH_RX_OFFLOAD_QINQ_STRIP;
1015 
1016 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
1017 				rx_drop_en = 1;
1018 
1019 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
1020 				rss_hf = 0;
1021 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
1022 				if (!strcmp(optarg, "paired"))
1023 					port_topology = PORT_TOPOLOGY_PAIRED;
1024 				else if (!strcmp(optarg, "chained"))
1025 					port_topology = PORT_TOPOLOGY_CHAINED;
1026 				else if (!strcmp(optarg, "loop"))
1027 					port_topology = PORT_TOPOLOGY_LOOP;
1028 				else
1029 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
1030 						 " must be: paired, chained or loop\n",
1031 						 optarg);
1032 			}
1033 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
1034 				set_pkt_forwarding_mode(optarg);
1035 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
1036 				rss_hf = RTE_ETH_RSS_IP;
1037 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
1038 				rss_hf = RTE_ETH_RSS_UDP;
1039 			if (!strcmp(lgopts[opt_idx].name, "rss-level-inner"))
1040 				rss_hf |= RTE_ETH_RSS_LEVEL_INNERMOST;
1041 			if (!strcmp(lgopts[opt_idx].name, "rss-level-outer"))
1042 				rss_hf |= RTE_ETH_RSS_LEVEL_OUTERMOST;
1043 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
1044 				n = atoi(optarg);
1045 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
1046 					nb_rxq = (queueid_t) n;
1047 				else
1048 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
1049 						  " >= 0 && <= %u\n", n,
1050 						  get_allowed_max_nb_rxq(&pid));
1051 			}
1052 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
1053 				n = atoi(optarg);
1054 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
1055 					nb_txq = (queueid_t) n;
1056 				else
1057 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1058 						  " >= 0 && <= %u\n", n,
1059 						  get_allowed_max_nb_txq(&pid));
1060 			}
1061 			if (!strcmp(lgopts[opt_idx].name, "hairpinq")) {
1062 				n = atoi(optarg);
1063 				if (n >= 0 &&
1064 				    check_nb_hairpinq((queueid_t)n) == 0)
1065 					nb_hairpinq = (queueid_t) n;
1066 				else
1067 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1068 						  " >= 0 && <= %u\n", n,
1069 						  get_allowed_max_nb_hairpinq
1070 						  (&pid));
1071 				if ((n + nb_txq) < 0 ||
1072 				    check_nb_txq((queueid_t)(n + nb_txq)) != 0)
1073 					rte_exit(EXIT_FAILURE, "txq + hairpinq "
1074 						 "%d invalid - must be"
1075 						  " >= 0 && <= %u\n",
1076 						  n + nb_txq,
1077 						  get_allowed_max_nb_txq(&pid));
1078 				if ((n + nb_rxq) < 0 ||
1079 				    check_nb_rxq((queueid_t)(n + nb_rxq)) != 0)
1080 					rte_exit(EXIT_FAILURE, "rxq + hairpinq "
1081 						 "%d invalid - must be"
1082 						  " >= 0 && <= %u\n",
1083 						  n + nb_rxq,
1084 						  get_allowed_max_nb_rxq(&pid));
1085 			}
1086 			if (!nb_rxq && !nb_txq) {
1087 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
1088 						"be non-zero\n");
1089 			}
1090 			if (!strcmp(lgopts[opt_idx].name, "hairpin-mode")) {
1091 				char *end = NULL;
1092 				unsigned int n;
1093 
1094 				errno = 0;
1095 				n = strtoul(optarg, &end, 0);
1096 				if (errno != 0 || end == optarg)
1097 					rte_exit(EXIT_FAILURE, "hairpin mode invalid\n");
1098 				else
1099 					hairpin_mode = (uint32_t)n;
1100 			}
1101 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
1102 				n = atoi(optarg);
1103 				if (n == 0) {
1104 					/* A burst size of zero means that the
1105 					 * PMD should be queried for
1106 					 * recommended Rx burst size. Since
1107 					 * testpmd uses a single size for all
1108 					 * ports, port 0 is queried for the
1109 					 * value, on the assumption that all
1110 					 * ports are of the same NIC model.
1111 					 */
1112 					ret = eth_dev_info_get_print_err(
1113 								0,
1114 								&dev_info);
1115 					if (ret != 0)
1116 						return;
1117 
1118 					rec_nb_pkts = dev_info
1119 						.default_rxportconf.burst_size;
1120 
1121 					if (rec_nb_pkts == 0)
1122 						rte_exit(EXIT_FAILURE,
1123 							"PMD does not recommend a burst size. "
1124 							"Provided value must be between "
1125 							"1 and %d\n", MAX_PKT_BURST);
1126 					else if (rec_nb_pkts > MAX_PKT_BURST)
1127 						rte_exit(EXIT_FAILURE,
1128 							"PMD recommended burst size of %d"
1129 							" exceeds maximum value of %d\n",
1130 							rec_nb_pkts, MAX_PKT_BURST);
1131 					printf("Using PMD-provided burst value of %d\n",
1132 						rec_nb_pkts);
1133 					nb_pkt_per_burst = rec_nb_pkts;
1134 				} else if (n > MAX_PKT_BURST)
1135 					rte_exit(EXIT_FAILURE,
1136 						"burst must be between1 and %d\n",
1137 						MAX_PKT_BURST);
1138 				else
1139 					nb_pkt_per_burst = (uint16_t) n;
1140 			}
1141 			if (!strcmp(lgopts[opt_idx].name, "flowgen-clones")) {
1142 				n = atoi(optarg);
1143 				if (n >= 0)
1144 					nb_pkt_flowgen_clones = (uint16_t) n;
1145 				else
1146 					rte_exit(EXIT_FAILURE,
1147 						 "clones must be >= 0 and <= current burst\n");
1148 			}
1149 			if (!strcmp(lgopts[opt_idx].name, "flowgen-flows")) {
1150 				n = atoi(optarg);
1151 				if (n > 0)
1152 					nb_flows_flowgen = (int) n;
1153 				else
1154 					rte_exit(EXIT_FAILURE,
1155 						 "flows must be >= 1\n");
1156 			}
1157 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1158 				n = atoi(optarg);
1159 				if ((n >= 0) &&
1160 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1161 					mb_mempool_cache = (uint16_t) n;
1162 				else
1163 					rte_exit(EXIT_FAILURE,
1164 						 "mbcache must be >= 0 and <= %d\n",
1165 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1166 			}
1167 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1168 				n = atoi(optarg);
1169 				if (n >= 0)
1170 					tx_free_thresh = (int16_t)n;
1171 				else
1172 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1173 			}
1174 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1175 				n = atoi(optarg);
1176 				if (n >= 0)
1177 					tx_rs_thresh = (int16_t)n;
1178 				else
1179 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1180 			}
1181 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1182 				n = atoi(optarg);
1183 				if (n > 0) {
1184 					if (rx_free_thresh >= n)
1185 						rte_exit(EXIT_FAILURE,
1186 							 "rxd must be > "
1187 							 "rx_free_thresh(%d)\n",
1188 							 (int)rx_free_thresh);
1189 					else
1190 						nb_rxd = (uint16_t) n;
1191 				} else
1192 					rte_exit(EXIT_FAILURE,
1193 						 "rxd(%d) invalid - must be > 0\n",
1194 						 n);
1195 			}
1196 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1197 				n = atoi(optarg);
1198 				if (n > 0)
1199 					nb_txd = (uint16_t) n;
1200 				else
1201 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1202 			}
1203 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1204 				n = atoi(optarg);
1205 				if (n >= 0)
1206 					tx_pthresh = (int8_t)n;
1207 				else
1208 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1209 			}
1210 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1211 				n = atoi(optarg);
1212 				if (n >= 0)
1213 					tx_hthresh = (int8_t)n;
1214 				else
1215 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1216 			}
1217 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1218 				n = atoi(optarg);
1219 				if (n >= 0)
1220 					tx_wthresh = (int8_t)n;
1221 				else
1222 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1223 			}
1224 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1225 				n = atoi(optarg);
1226 				if (n >= 0)
1227 					rx_pthresh = (int8_t)n;
1228 				else
1229 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1230 			}
1231 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1232 				n = atoi(optarg);
1233 				if (n >= 0)
1234 					rx_hthresh = (int8_t)n;
1235 				else
1236 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1237 			}
1238 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1239 				n = atoi(optarg);
1240 				if (n >= 0)
1241 					rx_wthresh = (int8_t)n;
1242 				else
1243 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1244 			}
1245 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1246 				n = atoi(optarg);
1247 				if (n >= 0)
1248 					rx_free_thresh = (int16_t)n;
1249 				else
1250 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1251 			}
1252 			if (!strcmp(lgopts[opt_idx].name, "rxoffs")) {
1253 				unsigned int seg_off[MAX_SEGS_BUFFER_SPLIT];
1254 				unsigned int nb_offs;
1255 
1256 				nb_offs = parse_item_list
1257 						(optarg, "rxpkt offsets",
1258 						 MAX_SEGS_BUFFER_SPLIT,
1259 						 seg_off, 0);
1260 				if (nb_offs > 0)
1261 					set_rx_pkt_offsets(seg_off, nb_offs);
1262 				else
1263 					rte_exit(EXIT_FAILURE, "bad rxoffs\n");
1264 			}
1265 			if (!strcmp(lgopts[opt_idx].name, "rxpkts")) {
1266 				unsigned int seg_len[MAX_SEGS_BUFFER_SPLIT];
1267 				unsigned int nb_segs;
1268 				nb_segs = parse_item_list
1269 						(optarg, "rxpkt segments",
1270 						 MAX_SEGS_BUFFER_SPLIT,
1271 						 seg_len, 0);
1272 				if (nb_segs > 0)
1273 					set_rx_pkt_segments(seg_len, nb_segs);
1274 				else
1275 					rte_exit(EXIT_FAILURE, "bad rxpkts\n");
1276 			}
1277 			if (!strcmp(lgopts[opt_idx].name, "rxhdrs")) {
1278 				unsigned int seg_hdrs[MAX_SEGS_BUFFER_SPLIT];
1279 				unsigned int nb_segs;
1280 
1281 				nb_segs = parse_hdrs_list
1282 						(optarg, "rxpkt segments",
1283 						MAX_SEGS_BUFFER_SPLIT,
1284 						seg_hdrs);
1285 				if (nb_segs > 0)
1286 					set_rx_pkt_hdrs(seg_hdrs, nb_segs);
1287 				else
1288 					rte_exit(EXIT_FAILURE, "bad rxpkts\n");
1289 			}
1290 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1291 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1292 				unsigned int nb_segs;
1293 
1294 				nb_segs = parse_item_list(optarg, "txpkt segments",
1295 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1296 				if (nb_segs > 0)
1297 					set_tx_pkt_segments(seg_lengths, nb_segs);
1298 				else
1299 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1300 			}
1301 			if (!strcmp(lgopts[opt_idx].name, "multi-rx-mempool"))
1302 				multi_rx_mempool = 1;
1303 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1304 				txonly_multi_flow = 1;
1305 			if (!strcmp(lgopts[opt_idx].name, "rxq-share")) {
1306 				if (optarg == NULL) {
1307 					rxq_share = UINT32_MAX;
1308 				} else {
1309 					n = atoi(optarg);
1310 					if (n >= 0)
1311 						rxq_share = (uint32_t)n;
1312 					else
1313 						rte_exit(EXIT_FAILURE, "rxq-share must be >= 0\n");
1314 				}
1315 			}
1316 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1317 				no_flush_rx = 1;
1318 			if (!strcmp(lgopts[opt_idx].name, "eth-link-speed")) {
1319 				n = atoi(optarg);
1320 				if (n >= 0 && parse_link_speed(n) > 0)
1321 					eth_link_speed = parse_link_speed(n);
1322 			}
1323 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1324 				no_link_check = 1;
1325 			if (!strcmp(lgopts[opt_idx].name, "disable-device-start"))
1326 				no_device_start = 1;
1327 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1328 				lsc_interrupt = 0;
1329 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1330 				rmv_interrupt = 0;
1331 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1332 				flow_isolate_all = 1;
1333 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1334 				char *end = NULL;
1335 				n = strtoull(optarg, &end, 16);
1336 				if (n >= 0)
1337 					tx_offloads = (uint64_t)n;
1338 				else
1339 					rte_exit(EXIT_FAILURE,
1340 						 "tx-offloads must be >= 0\n");
1341 			}
1342 
1343 			if (!strcmp(lgopts[opt_idx].name, "rx-offloads")) {
1344 				char *end = NULL;
1345 				n = strtoull(optarg, &end, 16);
1346 				if (n >= 0)
1347 					rx_offloads = (uint64_t)n;
1348 				else
1349 					rte_exit(EXIT_FAILURE,
1350 						 "rx-offloads must be >= 0\n");
1351 			}
1352 
1353 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1354 				n = atoi(optarg);
1355 				if (n >= 0)
1356 					vxlan_gpe_udp_port = (uint16_t)n;
1357 				else
1358 					rte_exit(EXIT_FAILURE,
1359 						 "vxlan-gpe-port must be >= 0\n");
1360 			}
1361 			if (!strcmp(lgopts[opt_idx].name,
1362 				    "geneve-parsed-port")) {
1363 				n = atoi(optarg);
1364 				if (n >= 0)
1365 					geneve_udp_port = (uint16_t)n;
1366 				else
1367 					rte_exit(EXIT_FAILURE,
1368 						 "geneve-parsed-port must be >= 0\n");
1369 			}
1370 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1371 				if (parse_event_printing_config(optarg, 1)) {
1372 					rte_exit(EXIT_FAILURE,
1373 						 "invalid print-event argument\n");
1374 				}
1375 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1376 				if (parse_event_printing_config(optarg, 0)) {
1377 					rte_exit(EXIT_FAILURE,
1378 						 "invalid mask-event argument\n");
1379 				}
1380 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1381 				hot_plug = 1;
1382 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1383 				do_mlockall = 1;
1384 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1385 				do_mlockall = 0;
1386 			if (!strcmp(lgopts[opt_idx].name,
1387 				    "noisy-tx-sw-buffer-size")) {
1388 				n = atoi(optarg);
1389 				if (n >= 0)
1390 					noisy_tx_sw_bufsz = n;
1391 				else
1392 					rte_exit(EXIT_FAILURE,
1393 						"noisy-tx-sw-buffer-size must be >= 0\n");
1394 			}
1395 			if (!strcmp(lgopts[opt_idx].name,
1396 				    "noisy-tx-sw-buffer-flushtime")) {
1397 				n = atoi(optarg);
1398 				if (n >= 0)
1399 					noisy_tx_sw_buf_flush_time = n;
1400 				else
1401 					rte_exit(EXIT_FAILURE,
1402 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1403 			}
1404 			if (!strcmp(lgopts[opt_idx].name,
1405 				    "noisy-lkup-memory")) {
1406 				n = atoi(optarg);
1407 				if (n >= 0)
1408 					noisy_lkup_mem_sz = n;
1409 				else
1410 					rte_exit(EXIT_FAILURE,
1411 						 "noisy-lkup-memory must be >= 0\n");
1412 			}
1413 			if (!strcmp(lgopts[opt_idx].name,
1414 				    "noisy-lkup-num-writes")) {
1415 				n = atoi(optarg);
1416 				if (n >= 0)
1417 					noisy_lkup_num_writes = n;
1418 				else
1419 					rte_exit(EXIT_FAILURE,
1420 						 "noisy-lkup-num-writes must be >= 0\n");
1421 			}
1422 			if (!strcmp(lgopts[opt_idx].name,
1423 				    "noisy-lkup-num-reads")) {
1424 				n = atoi(optarg);
1425 				if (n >= 0)
1426 					noisy_lkup_num_reads = n;
1427 				else
1428 					rte_exit(EXIT_FAILURE,
1429 						 "noisy-lkup-num-reads must be >= 0\n");
1430 			}
1431 			if (!strcmp(lgopts[opt_idx].name,
1432 				    "noisy-lkup-num-reads-writes")) {
1433 				n = atoi(optarg);
1434 				if (n >= 0)
1435 					noisy_lkup_num_reads_writes = n;
1436 				else
1437 					rte_exit(EXIT_FAILURE,
1438 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1439 			}
1440 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1441 				mempool_flags = RTE_MEMPOOL_F_NO_IOVA_CONTIG;
1442 
1443 			if (!strcmp(lgopts[opt_idx].name, "rx-mq-mode")) {
1444 				char *end = NULL;
1445 				n = strtoul(optarg, &end, 16);
1446 				if (n >= 0 && n <= RTE_ETH_MQ_RX_VMDQ_DCB_RSS)
1447 					rx_mq_mode = (enum rte_eth_rx_mq_mode)n;
1448 				else
1449 					rte_exit(EXIT_FAILURE,
1450 						 "rx-mq-mode must be >= 0 and <= %d\n",
1451 						 RTE_ETH_MQ_RX_VMDQ_DCB_RSS);
1452 			}
1453 			if (!strcmp(lgopts[opt_idx].name, "record-core-cycles"))
1454 				record_core_cycles = 1;
1455 			if (!strcmp(lgopts[opt_idx].name, "record-burst-stats"))
1456 				record_burst_stats = 1;
1457 			if (!strcmp(lgopts[opt_idx].name, PARAM_NUM_PROCS))
1458 				num_procs = atoi(optarg);
1459 			if (!strcmp(lgopts[opt_idx].name, PARAM_PROC_ID))
1460 				proc_id = atoi(optarg);
1461 			break;
1462 		case 'h':
1463 			usage(argv[0]);
1464 			exit(EXIT_SUCCESS);
1465 			break;
1466 		default:
1467 			usage(argv[0]);
1468 			fprintf(stderr, "Invalid option: %s\n", argv[optind]);
1469 			rte_exit(EXIT_FAILURE,
1470 				 "Command line is incomplete or incorrect\n");
1471 			break;
1472 		}
1473 	}
1474 
1475 	if (optind != argc) {
1476 		usage(argv[0]);
1477 		fprintf(stderr, "Invalid parameter: %s\n", argv[optind]);
1478 		rte_exit(EXIT_FAILURE, "Command line is incorrect\n");
1479 	}
1480 
1481 	if (proc_id >= (int)num_procs)
1482 		rte_exit(EXIT_FAILURE,
1483 			 "The multi-process option '%s(%d)' should be less than '%s(%u)'\n",
1484 			 PARAM_PROC_ID, proc_id,
1485 			 PARAM_NUM_PROCS, num_procs);
1486 
1487 	/* Set offload configuration from command line parameters. */
1488 	rx_mode.offloads = rx_offloads;
1489 	tx_mode.offloads = tx_offloads;
1490 
1491 	if (mempool_flags & RTE_MEMPOOL_F_NO_IOVA_CONTIG &&
1492 	    mp_alloc_type != MP_ALLOC_ANON) {
1493 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1494 				  "mp-alloc=anon. mempool no-iova-contig is "
1495 				  "ignored\n");
1496 		mempool_flags = 0;
1497 	}
1498 }
1499