xref: /dpdk/app/test-pmd/parameters.c (revision b85778768af695df7518cf98f7a1a2bb99fcff62)
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 #include <arpa/inet.h>
23 
24 #include <rte_common.h>
25 #include <rte_byteorder.h>
26 #include <rte_log.h>
27 #include <rte_debug.h>
28 #include <rte_cycles.h>
29 #include <rte_memory.h>
30 #include <rte_launch.h>
31 #include <rte_eal.h>
32 #include <rte_per_lcore.h>
33 #include <rte_lcore.h>
34 #include <rte_atomic.h>
35 #include <rte_branch_prediction.h>
36 #include <rte_mempool.h>
37 #include <rte_interrupts.h>
38 #include <rte_pci.h>
39 #include <rte_ether.h>
40 #include <rte_ethdev.h>
41 #include <rte_string_fns.h>
42 #ifdef RTE_LIBRTE_PMD_BOND
43 #include <rte_eth_bond.h>
44 #endif
45 #include <rte_flow.h>
46 
47 #include "testpmd.h"
48 
49 static void
50 usage(char* progname)
51 {
52 	printf("usage: %s "
53 #ifdef RTE_LIBRTE_CMDLINE
54 	       "[--interactive|-i] "
55 	       "[--cmdline-file=FILENAME] "
56 #endif
57 	       "[--help|-h] | [--auto-start|-a] | ["
58 	       "--tx-first | --stats-period=PERIOD | "
59 	       "--coremask=COREMASK --portmask=PORTMASK --numa "
60 	       "--mbuf-size= | --total-num-mbufs= | "
61 	       "--nb-cores= | --nb-ports= | "
62 #ifdef RTE_LIBRTE_CMDLINE
63 	       "--eth-peers-configfile= | "
64 	       "--eth-peer=X,M:M:M:M:M:M | "
65 	       "--tx-ip=SRC,DST | --tx-udp=PORT | "
66 #endif
67 	       "--pkt-filter-mode= |"
68 	       "--rss-ip | --rss-udp | "
69 	       "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
70 	       "--txpt= | --txht= | --txwt= | --txfreet= | "
71 	       "--txrst= | --tx-offloads= | --vxlan-gpe-port= ]\n",
72 	       progname);
73 #ifdef RTE_LIBRTE_CMDLINE
74 	printf("  --interactive: run in interactive mode.\n");
75 	printf("  --cmdline-file: execute cli commands before startup.\n");
76 #endif
77 	printf("  --auto-start: start forwarding on init "
78 	       "[always when non-interactive].\n");
79 	printf("  --help: display this message and quit.\n");
80 	printf("  --tx-first: start forwarding sending a burst first "
81 	       "(only if interactive is disabled).\n");
82 	printf("  --stats-period=PERIOD: statistics will be shown "
83 	       "every PERIOD seconds (only if interactive is disabled).\n");
84 	printf("  --nb-cores=N: set the number of forwarding cores "
85 	       "(1 <= N <= %d).\n", nb_lcores);
86 	printf("  --nb-ports=N: set the number of forwarding ports "
87 	       "(1 <= N <= %d).\n", nb_ports);
88 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
89 	       "the packet forwarding test. The master lcore is reserved for "
90 	       "command line parsing only, and cannot be masked on for "
91 	       "packet forwarding.\n");
92 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
93 	       "by the packet forwarding test.\n");
94 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
95 	       "RX memory buffers (mbufs).\n");
96 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
97 	       "specify the socket on which the memory pool "
98 	       "used by the port will be allocated.\n");
99 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
100 	       "specify the socket on which the TX/RX rings for "
101 	       "the port will be allocated "
102 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
103 	printf("  --socket-num=N: set socket from which all memory is allocated "
104 	       "in NUMA mode.\n");
105 	printf("  --mbuf-size=N: set the data size of mbuf to N bytes.\n");
106 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
107 	       "in mbuf pools.\n");
108 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
109 #ifdef RTE_LIBRTE_CMDLINE
110 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
111 	       "of peer ports.\n");
112 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
113 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
114 #endif
115 	printf("  --pkt-filter-mode=N: set Flow Director mode "
116 	       "(N: none (default mode) or signature or perfect).\n");
117 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
118 	       "(N: none  or match (default) or always).\n");
119 	printf("  --pkt-filter-size=N: set Flow Director mode "
120 	       "(N: 64K (default mode) or 128K or 256K).\n");
121 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
122 	       "In perfect mode, when you add a rule with queue = -1 "
123 	       "the packet will be enqueued into the rx drop-queue. "
124 	       "If the drop-queue doesn't exist, the packet is dropped. "
125 	       "By default drop-queue=127.\n");
126 #ifdef RTE_LIBRTE_LATENCY_STATS
127 	printf("  --latencystats=N: enable latency and jitter statistcs "
128 	       "monitoring on forwarding lcore id N.\n");
129 #endif
130 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
131 	printf("  --enable-lro: enable large receive offload.\n");
132 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
133 	printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
134 	printf("  --enable-hw-vlan: enable hardware vlan.\n");
135 	printf("  --enable-hw-vlan-filter: enable hardware vlan filter.\n");
136 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
137 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
138 	printf("  --enable-hw-qinq-strip: enable hardware qinq strip.\n");
139 	printf("  --enable-drop-en: enable per queue packet drop.\n");
140 	printf("  --disable-rss: disable rss.\n");
141 	printf("  --port-topology=N: set port topology (N: paired (default) or "
142 	       "chained).\n");
143 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
144 	       list_pkt_forwarding_modes());
145 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
146 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
147 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
148 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
149 	printf("  --txq=N: set the number of TX queues per port to N.\n");
150 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
151 	printf("  --burst=N: set the number of packets per burst to N.\n");
152 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
153 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
154 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
155 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
156 	       "(0 <= N < value of rxd).\n");
157 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
158 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
159 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
160 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
161 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
162 	       "(0 <= N <= value of txd).\n");
163 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
164 	       "(0 <= N <= value of txd).\n");
165 	printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
166 	       "tx queues statistics counters mapping "
167 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
168 	printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
169 	       "rx queues statistics counters mapping "
170 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
171 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
172 	       " Used mainly with PCAP drivers.\n");
173 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
174 		" or total packet length.\n");
175 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
176 	printf("  --disable-link-check: disable check on link status when "
177 	       "starting/stopping ports.\n");
178 	printf("  --disable-device-start: do not automatically start port\n");
179 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
180 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
181 	printf("  --bitrate-stats=N: set the logical core N to perform "
182 		"bit-rate calculation.\n");
183 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|all>: "
184 	       "enable print of designated event or all of them.\n");
185 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|all>: "
186 	       "disable print of designated event or all of them.\n");
187 	printf("  --flow-isolate-all: "
188 	       "requests flow API isolated mode on all ports at initialization time.\n");
189 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
190 	printf("  --hot-plug: enable hot plug for device.\n");
191 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
192 	printf("  --mlockall: lock all memory\n");
193 	printf("  --no-mlockall: do not lock all memory\n");
194 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
195 	       "    native: use regular DPDK memory to create and populate mempool\n"
196 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
197 	       "    xmem: use anonymous memory to create and populate mempool\n"
198 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
199 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
200 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
201 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
202 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
203 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
204 	printf("  --noisy-lkup-num-writes=N: do N random reads and writes per packet\n");
205 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
206 	       "valid only with --mp-alloc=anon\n");
207 }
208 
209 #ifdef RTE_LIBRTE_CMDLINE
210 static int
211 init_peer_eth_addrs(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 			printf("Bad MAC address format on line %d\n", i+1);
230 			fclose(config_file);
231 			return -1;
232 		}
233 	}
234 	fclose(config_file);
235 	nb_peer_eth_addrs = (portid_t) i;
236 	return 0;
237 }
238 #endif
239 
240 /*
241  * Parse the coremask given as argument (hexadecimal string) and set
242  * the global configuration of forwarding cores.
243  */
244 static void
245 parse_fwd_coremask(const char *coremask)
246 {
247 	char *end;
248 	unsigned long long int cm;
249 
250 	/* parse hexadecimal string */
251 	end = NULL;
252 	cm = strtoull(coremask, &end, 16);
253 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
254 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
255 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
256 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
257 }
258 
259 /*
260  * Parse the coremask given as argument (hexadecimal string) and set
261  * the global configuration of forwarding cores.
262  */
263 static void
264 parse_fwd_portmask(const char *portmask)
265 {
266 	char *end;
267 	unsigned long long int pm;
268 
269 	/* parse hexadecimal string */
270 	end = NULL;
271 	pm = strtoull(portmask, &end, 16);
272 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
273 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
274 	else
275 		set_fwd_ports_mask((uint64_t) pm);
276 }
277 
278 
279 static int
280 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
281 {
282 	char s[256];
283 	const char *p, *p0 = q_arg;
284 	char *end;
285 	enum fieldnames {
286 		FLD_PORT = 0,
287 		FLD_QUEUE,
288 		FLD_STATS_COUNTER,
289 		_NUM_FLD
290 	};
291 	unsigned long int_fld[_NUM_FLD];
292 	char *str_fld[_NUM_FLD];
293 	int i;
294 	unsigned size;
295 
296 	/* reset from value set at definition */
297 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
298 
299 	while ((p = strchr(p0,'(')) != NULL) {
300 		++p;
301 		if((p0 = strchr(p,')')) == NULL)
302 			return -1;
303 
304 		size = p0 - p;
305 		if(size >= sizeof(s))
306 			return -1;
307 
308 		snprintf(s, sizeof(s), "%.*s", size, p);
309 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
310 			return -1;
311 		for (i = 0; i < _NUM_FLD; i++){
312 			errno = 0;
313 			int_fld[i] = strtoul(str_fld[i], &end, 0);
314 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
315 				return -1;
316 		}
317 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
318 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
319 			printf("Stats counter not in the correct range 0..%d\n",
320 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
321 			return -1;
322 		}
323 
324 		if (!is_rx) {
325 			if ((nb_tx_queue_stats_mappings >=
326 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
327 				printf("exceeded max number of TX queue "
328 						"statistics mappings: %hu\n",
329 						nb_tx_queue_stats_mappings);
330 				return -1;
331 			}
332 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
333 				(uint8_t)int_fld[FLD_PORT];
334 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
335 				(uint8_t)int_fld[FLD_QUEUE];
336 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
337 				(uint8_t)int_fld[FLD_STATS_COUNTER];
338 			++nb_tx_queue_stats_mappings;
339 		}
340 		else {
341 			if ((nb_rx_queue_stats_mappings >=
342 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
343 				printf("exceeded max number of RX queue "
344 						"statistics mappings: %hu\n",
345 						nb_rx_queue_stats_mappings);
346 				return -1;
347 			}
348 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
349 				(uint8_t)int_fld[FLD_PORT];
350 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
351 				(uint8_t)int_fld[FLD_QUEUE];
352 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
353 				(uint8_t)int_fld[FLD_STATS_COUNTER];
354 			++nb_rx_queue_stats_mappings;
355 		}
356 
357 	}
358 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
359 /* than to the default array (that was set at its definition) */
360 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
361 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
362 	return 0;
363 }
364 
365 static void
366 print_invalid_socket_id_error(void)
367 {
368 	unsigned int i = 0;
369 
370 	printf("Invalid socket id, options are: ");
371 	for (i = 0; i < num_sockets; i++) {
372 		printf("%u%s", socket_ids[i],
373 		      (i == num_sockets - 1) ? "\n" : ",");
374 	}
375 }
376 
377 static int
378 parse_portnuma_config(const char *q_arg)
379 {
380 	char s[256];
381 	const char *p, *p0 = q_arg;
382 	char *end;
383 	uint8_t i, socket_id;
384 	portid_t port_id;
385 	unsigned size;
386 	enum fieldnames {
387 		FLD_PORT = 0,
388 		FLD_SOCKET,
389 		_NUM_FLD
390 	};
391 	unsigned long int_fld[_NUM_FLD];
392 	char *str_fld[_NUM_FLD];
393 
394 	/* reset from value set at definition */
395 	while ((p = strchr(p0,'(')) != NULL) {
396 		++p;
397 		if((p0 = strchr(p,')')) == NULL)
398 			return -1;
399 
400 		size = p0 - p;
401 		if(size >= sizeof(s))
402 			return -1;
403 
404 		snprintf(s, sizeof(s), "%.*s", size, p);
405 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
406 			return -1;
407 		for (i = 0; i < _NUM_FLD; i++) {
408 			errno = 0;
409 			int_fld[i] = strtoul(str_fld[i], &end, 0);
410 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
411 				return -1;
412 		}
413 		port_id = (portid_t)int_fld[FLD_PORT];
414 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
415 			port_id == (portid_t)RTE_PORT_ALL) {
416 			print_valid_ports();
417 			return -1;
418 		}
419 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
420 		if (new_socket_id(socket_id)) {
421 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
422 				print_invalid_socket_id_error();
423 				return -1;
424 			}
425 			socket_ids[num_sockets++] = socket_id;
426 		}
427 		port_numa[port_id] = socket_id;
428 	}
429 
430 	return 0;
431 }
432 
433 static int
434 parse_ringnuma_config(const char *q_arg)
435 {
436 	char s[256];
437 	const char *p, *p0 = q_arg;
438 	char *end;
439 	uint8_t i, ring_flag, socket_id;
440 	portid_t port_id;
441 	unsigned size;
442 	enum fieldnames {
443 		FLD_PORT = 0,
444 		FLD_FLAG,
445 		FLD_SOCKET,
446 		_NUM_FLD
447 	};
448 	unsigned long int_fld[_NUM_FLD];
449 	char *str_fld[_NUM_FLD];
450 	#define RX_RING_ONLY 0x1
451 	#define TX_RING_ONLY 0x2
452 	#define RXTX_RING    0x3
453 
454 	/* reset from value set at definition */
455 	while ((p = strchr(p0,'(')) != NULL) {
456 		++p;
457 		if((p0 = strchr(p,')')) == NULL)
458 			return -1;
459 
460 		size = p0 - p;
461 		if(size >= sizeof(s))
462 			return -1;
463 
464 		snprintf(s, sizeof(s), "%.*s", size, p);
465 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
466 			return -1;
467 		for (i = 0; i < _NUM_FLD; i++) {
468 			errno = 0;
469 			int_fld[i] = strtoul(str_fld[i], &end, 0);
470 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
471 				return -1;
472 		}
473 		port_id = (portid_t)int_fld[FLD_PORT];
474 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
475 			port_id == (portid_t)RTE_PORT_ALL) {
476 			print_valid_ports();
477 			return -1;
478 		}
479 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
480 		if (new_socket_id(socket_id)) {
481 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
482 				print_invalid_socket_id_error();
483 				return -1;
484 			}
485 			socket_ids[num_sockets++] = socket_id;
486 		}
487 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
488 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
489 			printf("Invalid ring-flag=%d config for port =%d\n",
490 				ring_flag,port_id);
491 			return -1;
492 		}
493 
494 		switch (ring_flag & RXTX_RING) {
495 		case RX_RING_ONLY:
496 			rxring_numa[port_id] = socket_id;
497 			break;
498 		case TX_RING_ONLY:
499 			txring_numa[port_id] = socket_id;
500 			break;
501 		case RXTX_RING:
502 			rxring_numa[port_id] = socket_id;
503 			txring_numa[port_id] = socket_id;
504 			break;
505 		default:
506 			printf("Invalid ring-flag=%d config for port=%d\n",
507 				ring_flag,port_id);
508 			break;
509 		}
510 	}
511 
512 	return 0;
513 }
514 
515 static int
516 parse_event_printing_config(const char *optarg, int enable)
517 {
518 	uint32_t mask = 0;
519 
520 	if (!strcmp(optarg, "unknown"))
521 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
522 	else if (!strcmp(optarg, "intr_lsc"))
523 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
524 	else if (!strcmp(optarg, "queue_state"))
525 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
526 	else if (!strcmp(optarg, "intr_reset"))
527 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
528 	else if (!strcmp(optarg, "vf_mbox"))
529 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
530 	else if (!strcmp(optarg, "ipsec"))
531 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
532 	else if (!strcmp(optarg, "macsec"))
533 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
534 	else if (!strcmp(optarg, "intr_rmv"))
535 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
536 	else if (!strcmp(optarg, "dev_probed"))
537 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
538 	else if (!strcmp(optarg, "dev_released"))
539 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
540 	else if (!strcmp(optarg, "all"))
541 		mask = ~UINT32_C(0);
542 	else {
543 		fprintf(stderr, "Invalid event: %s\n", optarg);
544 		return -1;
545 	}
546 	if (enable)
547 		event_print_mask |= mask;
548 	else
549 		event_print_mask &= ~mask;
550 	return 0;
551 }
552 
553 void
554 launch_args_parse(int argc, char** argv)
555 {
556 	int n, opt;
557 	char **argvopt;
558 	int opt_idx;
559 	portid_t pid;
560 	enum { TX, RX };
561 	/* Default offloads for all ports. */
562 	uint64_t rx_offloads = rx_mode.offloads;
563 	uint64_t tx_offloads = tx_mode.offloads;
564 	struct rte_eth_dev_info dev_info;
565 	uint16_t rec_nb_pkts;
566 	int ret;
567 
568 	static struct option lgopts[] = {
569 		{ "help",			0, 0, 0 },
570 #ifdef RTE_LIBRTE_CMDLINE
571 		{ "interactive",		0, 0, 0 },
572 		{ "cmdline-file",		1, 0, 0 },
573 		{ "auto-start",			0, 0, 0 },
574 		{ "eth-peers-configfile",	1, 0, 0 },
575 		{ "eth-peer",			1, 0, 0 },
576 #endif
577 		{ "tx-first",			0, 0, 0 },
578 		{ "stats-period",		1, 0, 0 },
579 		{ "ports",			1, 0, 0 },
580 		{ "nb-cores",			1, 0, 0 },
581 		{ "nb-ports",			1, 0, 0 },
582 		{ "coremask",			1, 0, 0 },
583 		{ "portmask",			1, 0, 0 },
584 		{ "numa",			0, 0, 0 },
585 		{ "no-numa",			0, 0, 0 },
586 		{ "mp-anon",			0, 0, 0 },
587 		{ "port-numa-config",           1, 0, 0 },
588 		{ "ring-numa-config",           1, 0, 0 },
589 		{ "socket-num",			1, 0, 0 },
590 		{ "mbuf-size",			1, 0, 0 },
591 		{ "total-num-mbufs",		1, 0, 0 },
592 		{ "max-pkt-len",		1, 0, 0 },
593 		{ "pkt-filter-mode",            1, 0, 0 },
594 		{ "pkt-filter-report-hash",     1, 0, 0 },
595 		{ "pkt-filter-size",            1, 0, 0 },
596 		{ "pkt-filter-drop-queue",      1, 0, 0 },
597 #ifdef RTE_LIBRTE_LATENCY_STATS
598 		{ "latencystats",               1, 0, 0 },
599 #endif
600 #ifdef RTE_LIBRTE_BITRATE
601 		{ "bitrate-stats",              1, 0, 0 },
602 #endif
603 		{ "disable-crc-strip",          0, 0, 0 },
604 		{ "enable-lro",                 0, 0, 0 },
605 		{ "enable-rx-cksum",            0, 0, 0 },
606 		{ "enable-rx-timestamp",        0, 0, 0 },
607 		{ "enable-scatter",             0, 0, 0 },
608 		{ "enable-hw-vlan",             0, 0, 0 },
609 		{ "enable-hw-vlan-filter",      0, 0, 0 },
610 		{ "enable-hw-vlan-strip",       0, 0, 0 },
611 		{ "enable-hw-vlan-extend",      0, 0, 0 },
612 		{ "enable-hw-qinq-strip",       0, 0, 0 },
613 		{ "enable-drop-en",            0, 0, 0 },
614 		{ "disable-rss",                0, 0, 0 },
615 		{ "port-topology",              1, 0, 0 },
616 		{ "forward-mode",               1, 0, 0 },
617 		{ "rss-ip",			0, 0, 0 },
618 		{ "rss-udp",			0, 0, 0 },
619 		{ "rxq",			1, 0, 0 },
620 		{ "txq",			1, 0, 0 },
621 		{ "rxd",			1, 0, 0 },
622 		{ "txd",			1, 0, 0 },
623 		{ "burst",			1, 0, 0 },
624 		{ "mbcache",			1, 0, 0 },
625 		{ "txpt",			1, 0, 0 },
626 		{ "txht",			1, 0, 0 },
627 		{ "txwt",			1, 0, 0 },
628 		{ "txfreet",			1, 0, 0 },
629 		{ "txrst",			1, 0, 0 },
630 		{ "rxpt",			1, 0, 0 },
631 		{ "rxht",			1, 0, 0 },
632 		{ "rxwt",			1, 0, 0 },
633 		{ "rxfreet",                    1, 0, 0 },
634 		{ "tx-queue-stats-mapping",	1, 0, 0 },
635 		{ "rx-queue-stats-mapping",	1, 0, 0 },
636 		{ "no-flush-rx",	0, 0, 0 },
637 		{ "flow-isolate-all",	        0, 0, 0 },
638 		{ "txpkts",			1, 0, 0 },
639 		{ "txonly-multi-flow",		0, 0, 0 },
640 		{ "disable-link-check",		0, 0, 0 },
641 		{ "disable-device-start",	0, 0, 0 },
642 		{ "no-lsc-interrupt",		0, 0, 0 },
643 		{ "no-rmv-interrupt",		0, 0, 0 },
644 		{ "print-event",		1, 0, 0 },
645 		{ "mask-event",			1, 0, 0 },
646 		{ "tx-offloads",		1, 0, 0 },
647 		{ "hot-plug",			0, 0, 0 },
648 		{ "vxlan-gpe-port",		1, 0, 0 },
649 		{ "mlockall",			0, 0, 0 },
650 		{ "no-mlockall",		0, 0, 0 },
651 		{ "mp-alloc",			1, 0, 0 },
652 		{ "tx-ip",			1, 0, 0 },
653 		{ "tx-udp",			1, 0, 0 },
654 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
655 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
656 		{ "noisy-lkup-memory",		1, 0, 0 },
657 		{ "noisy-lkup-num-writes",	1, 0, 0 },
658 		{ "noisy-lkup-num-reads",	1, 0, 0 },
659 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
660 		{ "no-iova-contig",             0, 0, 0 },
661 		{ 0, 0, 0, 0 },
662 	};
663 
664 	argvopt = argv;
665 
666 #ifdef RTE_LIBRTE_CMDLINE
667 #define SHORTOPTS "i"
668 #else
669 #define SHORTOPTS ""
670 #endif
671 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
672 				 lgopts, &opt_idx)) != EOF) {
673 		switch (opt) {
674 #ifdef RTE_LIBRTE_CMDLINE
675 		case 'i':
676 			printf("Interactive-mode selected\n");
677 			interactive = 1;
678 			break;
679 #endif
680 		case 'a':
681 			printf("Auto-start selected\n");
682 			auto_start = 1;
683 			break;
684 
685 		case 0: /*long options */
686 			if (!strcmp(lgopts[opt_idx].name, "help")) {
687 				usage(argv[0]);
688 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
689 			}
690 #ifdef RTE_LIBRTE_CMDLINE
691 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
692 				printf("Interactive-mode selected\n");
693 				interactive = 1;
694 			}
695 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
696 				printf("CLI commands to be read from %s\n",
697 				       optarg);
698 				strlcpy(cmdline_filename, optarg,
699 					sizeof(cmdline_filename));
700 			}
701 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
702 				printf("Auto-start selected\n");
703 				auto_start = 1;
704 			}
705 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
706 				printf("Ports to start sending a burst of "
707 						"packets first\n");
708 				tx_first = 1;
709 			}
710 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
711 				char *end = NULL;
712 				unsigned int n;
713 
714 				n = strtoul(optarg, &end, 10);
715 				if ((optarg[0] == '\0') || (end == NULL) ||
716 						(*end != '\0'))
717 					break;
718 
719 				stats_period = n;
720 				break;
721 			}
722 			if (!strcmp(lgopts[opt_idx].name,
723 				    "eth-peers-configfile")) {
724 				if (init_peer_eth_addrs(optarg) != 0)
725 					rte_exit(EXIT_FAILURE,
726 						 "Cannot open logfile\n");
727 			}
728 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
729 				char *port_end;
730 
731 				errno = 0;
732 				n = strtoul(optarg, &port_end, 10);
733 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
734 					rte_exit(EXIT_FAILURE,
735 						 "Invalid eth-peer: %s", optarg);
736 				if (n >= RTE_MAX_ETHPORTS)
737 					rte_exit(EXIT_FAILURE,
738 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
739 						 n, RTE_MAX_ETHPORTS);
740 
741 				if (rte_ether_unformat_addr(port_end,
742 						&peer_eth_addrs[n]) < 0)
743 					rte_exit(EXIT_FAILURE,
744 						 "Invalid ethernet address: %s\n",
745 						 port_end);
746 				nb_peer_eth_addrs++;
747 			}
748 #endif
749 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
750 				struct in_addr in;
751 				char *end;
752 
753 				end = strchr(optarg, ',');
754 				if (end == optarg || !end)
755 					rte_exit(EXIT_FAILURE,
756 						 "Invalid tx-ip: %s", optarg);
757 
758 				*end++ = 0;
759 				if (inet_aton(optarg, &in) == 0)
760 					rte_exit(EXIT_FAILURE,
761 						 "Invalid source IP address: %s\n",
762 						 optarg);
763 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
764 
765 				if (inet_aton(end, &in) == 0)
766 					rte_exit(EXIT_FAILURE,
767 						 "Invalid destination IP address: %s\n",
768 						 optarg);
769 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
770 			}
771 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
772 				char *end = NULL;
773 
774 				errno = 0;
775 				n = strtoul(optarg, &end, 10);
776 				if (errno != 0 || end == optarg ||
777 				    n > UINT16_MAX ||
778 				    !(*end == '\0' || *end == ','))
779 					rte_exit(EXIT_FAILURE,
780 						 "Invalid UDP port: %s\n",
781 						 optarg);
782 				tx_udp_src_port = n;
783 				if (*end == ',') {
784 					char *dst = end + 1;
785 
786 					n = strtoul(dst, &end, 10);
787 					if (errno != 0 || end == dst ||
788 					    n > UINT16_MAX || *end)
789 						rte_exit(EXIT_FAILURE,
790 							 "Invalid destination UDP port: %s\n",
791 							 dst);
792 					tx_udp_dst_port = n;
793 				} else {
794 					tx_udp_dst_port = n;
795 				}
796 
797 			}
798 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
799 				n = atoi(optarg);
800 				if (n > 0 && n <= nb_ports)
801 					nb_fwd_ports = n;
802 				else
803 					rte_exit(EXIT_FAILURE,
804 						 "Invalid port %d\n", n);
805 			}
806 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
807 				n = atoi(optarg);
808 				if (n > 0 && n <= nb_lcores)
809 					nb_fwd_lcores = (uint8_t) n;
810 				else
811 					rte_exit(EXIT_FAILURE,
812 						 "nb-cores should be > 0 and <= %d\n",
813 						 nb_lcores);
814 			}
815 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
816 				parse_fwd_coremask(optarg);
817 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
818 				parse_fwd_portmask(optarg);
819 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
820 				numa_support = 0;
821 			if (!strcmp(lgopts[opt_idx].name, "numa"))
822 				numa_support = 1;
823 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
824 				mp_alloc_type = MP_ALLOC_ANON;
825 			}
826 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
827 				if (!strcmp(optarg, "native"))
828 					mp_alloc_type = MP_ALLOC_NATIVE;
829 				else if (!strcmp(optarg, "anon"))
830 					mp_alloc_type = MP_ALLOC_ANON;
831 				else if (!strcmp(optarg, "xmem"))
832 					mp_alloc_type = MP_ALLOC_XMEM;
833 				else if (!strcmp(optarg, "xmemhuge"))
834 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
835 				else
836 					rte_exit(EXIT_FAILURE,
837 						"mp-alloc %s invalid - must be: "
838 						"native, anon, xmem or xmemhuge\n",
839 						 optarg);
840 			}
841 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
842 				if (parse_portnuma_config(optarg))
843 					rte_exit(EXIT_FAILURE,
844 					   "invalid port-numa configuration\n");
845 			}
846 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
847 				if (parse_ringnuma_config(optarg))
848 					rte_exit(EXIT_FAILURE,
849 					   "invalid ring-numa configuration\n");
850 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
851 				n = atoi(optarg);
852 				if (!new_socket_id((uint8_t)n)) {
853 					socket_num = (uint8_t)n;
854 				} else {
855 					print_invalid_socket_id_error();
856 					rte_exit(EXIT_FAILURE,
857 						"Invalid socket id");
858 				}
859 			}
860 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
861 				n = atoi(optarg);
862 				if (n > 0 && n <= 0xFFFF)
863 					mbuf_data_size = (uint16_t) n;
864 				else
865 					rte_exit(EXIT_FAILURE,
866 						 "mbuf-size should be > 0 and < 65536\n");
867 			}
868 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
869 				n = atoi(optarg);
870 				if (n > 1024)
871 					param_total_num_mbufs = (unsigned)n;
872 				else
873 					rte_exit(EXIT_FAILURE,
874 						 "total-num-mbufs should be > 1024\n");
875 			}
876 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
877 				n = atoi(optarg);
878 				if (n >= RTE_ETHER_MIN_LEN) {
879 					rx_mode.max_rx_pkt_len = (uint32_t) n;
880 					if (n > RTE_ETHER_MAX_LEN)
881 						rx_offloads |=
882 							DEV_RX_OFFLOAD_JUMBO_FRAME;
883 				} else
884 					rte_exit(EXIT_FAILURE,
885 						 "Invalid max-pkt-len=%d - should be > %d\n",
886 						 n, RTE_ETHER_MIN_LEN);
887 			}
888 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
889 				if (!strcmp(optarg, "signature"))
890 					fdir_conf.mode =
891 						RTE_FDIR_MODE_SIGNATURE;
892 				else if (!strcmp(optarg, "perfect"))
893 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
894 				else if (!strcmp(optarg, "perfect-mac-vlan"))
895 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
896 				else if (!strcmp(optarg, "perfect-tunnel"))
897 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
898 				else if (!strcmp(optarg, "none"))
899 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
900 				else
901 					rte_exit(EXIT_FAILURE,
902 						 "pkt-mode-invalid %s invalid - must be: "
903 						 "none, signature, perfect, perfect-mac-vlan"
904 						 " or perfect-tunnel\n",
905 						 optarg);
906 			}
907 			if (!strcmp(lgopts[opt_idx].name,
908 				    "pkt-filter-report-hash")) {
909 				if (!strcmp(optarg, "none"))
910 					fdir_conf.status =
911 						RTE_FDIR_NO_REPORT_STATUS;
912 				else if (!strcmp(optarg, "match"))
913 					fdir_conf.status =
914 						RTE_FDIR_REPORT_STATUS;
915 				else if (!strcmp(optarg, "always"))
916 					fdir_conf.status =
917 						RTE_FDIR_REPORT_STATUS_ALWAYS;
918 				else
919 					rte_exit(EXIT_FAILURE,
920 						 "pkt-filter-report-hash %s invalid "
921 						 "- must be: none or match or always\n",
922 						 optarg);
923 			}
924 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
925 				if (!strcmp(optarg, "64K"))
926 					fdir_conf.pballoc =
927 						RTE_FDIR_PBALLOC_64K;
928 				else if (!strcmp(optarg, "128K"))
929 					fdir_conf.pballoc =
930 						RTE_FDIR_PBALLOC_128K;
931 				else if (!strcmp(optarg, "256K"))
932 					fdir_conf.pballoc =
933 						RTE_FDIR_PBALLOC_256K;
934 				else
935 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
936 						 " must be: 64K or 128K or 256K\n",
937 						 optarg);
938 			}
939 			if (!strcmp(lgopts[opt_idx].name,
940 				    "pkt-filter-drop-queue")) {
941 				n = atoi(optarg);
942 				if (n >= 0)
943 					fdir_conf.drop_queue = (uint8_t) n;
944 				else
945 					rte_exit(EXIT_FAILURE,
946 						 "drop queue %d invalid - must"
947 						 "be >= 0 \n", n);
948 			}
949 #ifdef RTE_LIBRTE_LATENCY_STATS
950 			if (!strcmp(lgopts[opt_idx].name,
951 				    "latencystats")) {
952 				n = atoi(optarg);
953 				if (n >= 0) {
954 					latencystats_lcore_id = (lcoreid_t) n;
955 					latencystats_enabled = 1;
956 				} else
957 					rte_exit(EXIT_FAILURE,
958 						 "invalid lcore id %d for latencystats"
959 						 " must be >= 0\n", n);
960 			}
961 #endif
962 #ifdef RTE_LIBRTE_BITRATE
963 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
964 				n = atoi(optarg);
965 				if (n >= 0) {
966 					bitrate_lcore_id = (lcoreid_t) n;
967 					bitrate_enabled = 1;
968 				} else
969 					rte_exit(EXIT_FAILURE,
970 						 "invalid lcore id %d for bitrate stats"
971 						 " must be >= 0\n", n);
972 			}
973 #endif
974 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
975 				rx_offloads |= DEV_RX_OFFLOAD_KEEP_CRC;
976 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
977 				rx_offloads |= DEV_RX_OFFLOAD_TCP_LRO;
978 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
979 				rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
980 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
981 				rx_offloads |= DEV_RX_OFFLOAD_CHECKSUM;
982 			if (!strcmp(lgopts[opt_idx].name,
983 					"enable-rx-timestamp"))
984 				rx_offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
985 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
986 				rx_offloads |= DEV_RX_OFFLOAD_VLAN;
987 
988 			if (!strcmp(lgopts[opt_idx].name,
989 					"enable-hw-vlan-filter"))
990 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
991 
992 			if (!strcmp(lgopts[opt_idx].name,
993 					"enable-hw-vlan-strip"))
994 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
995 
996 			if (!strcmp(lgopts[opt_idx].name,
997 					"enable-hw-vlan-extend"))
998 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
999 
1000 			if (!strcmp(lgopts[opt_idx].name,
1001 					"enable-hw-qinq-strip"))
1002 				rx_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
1003 
1004 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
1005 				rx_drop_en = 1;
1006 
1007 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
1008 				rss_hf = 0;
1009 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
1010 				if (!strcmp(optarg, "paired"))
1011 					port_topology = PORT_TOPOLOGY_PAIRED;
1012 				else if (!strcmp(optarg, "chained"))
1013 					port_topology = PORT_TOPOLOGY_CHAINED;
1014 				else if (!strcmp(optarg, "loop"))
1015 					port_topology = PORT_TOPOLOGY_LOOP;
1016 				else
1017 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
1018 						 " must be: paired, chained or loop\n",
1019 						 optarg);
1020 			}
1021 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
1022 				set_pkt_forwarding_mode(optarg);
1023 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
1024 				rss_hf = ETH_RSS_IP;
1025 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
1026 				rss_hf = ETH_RSS_UDP;
1027 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
1028 				n = atoi(optarg);
1029 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
1030 					nb_rxq = (queueid_t) n;
1031 				else
1032 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
1033 						  " >= 0 && <= %u\n", n,
1034 						  get_allowed_max_nb_rxq(&pid));
1035 			}
1036 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
1037 				n = atoi(optarg);
1038 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
1039 					nb_txq = (queueid_t) n;
1040 				else
1041 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1042 						  " >= 0 && <= %u\n", n,
1043 						  get_allowed_max_nb_txq(&pid));
1044 			}
1045 			if (!nb_rxq && !nb_txq) {
1046 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
1047 						"be non-zero\n");
1048 			}
1049 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
1050 				n = atoi(optarg);
1051 				if (n == 0) {
1052 					/* A burst size of zero means that the
1053 					 * PMD should be queried for
1054 					 * recommended Rx burst size. Since
1055 					 * testpmd uses a single size for all
1056 					 * ports, port 0 is queried for the
1057 					 * value, on the assumption that all
1058 					 * ports are of the same NIC model.
1059 					 */
1060 					ret = eth_dev_info_get_print_err(
1061 								0,
1062 								&dev_info);
1063 					if (ret != 0)
1064 						return;
1065 
1066 					rec_nb_pkts = dev_info
1067 						.default_rxportconf.burst_size;
1068 
1069 					if (rec_nb_pkts == 0)
1070 						rte_exit(EXIT_FAILURE,
1071 							"PMD does not recommend a burst size. "
1072 							"Provided value must be between "
1073 							"1 and %d\n", MAX_PKT_BURST);
1074 					else if (rec_nb_pkts > MAX_PKT_BURST)
1075 						rte_exit(EXIT_FAILURE,
1076 							"PMD recommended burst size of %d"
1077 							" exceeds maximum value of %d\n",
1078 							rec_nb_pkts, MAX_PKT_BURST);
1079 					printf("Using PMD-provided burst value of %d\n",
1080 						rec_nb_pkts);
1081 					nb_pkt_per_burst = rec_nb_pkts;
1082 				} else if (n > MAX_PKT_BURST)
1083 					rte_exit(EXIT_FAILURE,
1084 						"burst must be between1 and %d\n",
1085 						MAX_PKT_BURST);
1086 				else
1087 					nb_pkt_per_burst = (uint16_t) n;
1088 			}
1089 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1090 				n = atoi(optarg);
1091 				if ((n >= 0) &&
1092 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1093 					mb_mempool_cache = (uint16_t) n;
1094 				else
1095 					rte_exit(EXIT_FAILURE,
1096 						 "mbcache must be >= 0 and <= %d\n",
1097 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1098 			}
1099 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1100 				n = atoi(optarg);
1101 				if (n >= 0)
1102 					tx_free_thresh = (int16_t)n;
1103 				else
1104 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1105 			}
1106 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1107 				n = atoi(optarg);
1108 				if (n >= 0)
1109 					tx_rs_thresh = (int16_t)n;
1110 				else
1111 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1112 			}
1113 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1114 				n = atoi(optarg);
1115 				if (n > 0) {
1116 					if (rx_free_thresh >= n)
1117 						rte_exit(EXIT_FAILURE,
1118 							 "rxd must be > "
1119 							 "rx_free_thresh(%d)\n",
1120 							 (int)rx_free_thresh);
1121 					else
1122 						nb_rxd = (uint16_t) n;
1123 				} else
1124 					rte_exit(EXIT_FAILURE,
1125 						 "rxd(%d) invalid - must be > 0\n",
1126 						 n);
1127 			}
1128 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1129 				n = atoi(optarg);
1130 				if (n > 0)
1131 					nb_txd = (uint16_t) n;
1132 				else
1133 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1134 			}
1135 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1136 				n = atoi(optarg);
1137 				if (n >= 0)
1138 					tx_pthresh = (int8_t)n;
1139 				else
1140 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1141 			}
1142 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1143 				n = atoi(optarg);
1144 				if (n >= 0)
1145 					tx_hthresh = (int8_t)n;
1146 				else
1147 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1148 			}
1149 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1150 				n = atoi(optarg);
1151 				if (n >= 0)
1152 					tx_wthresh = (int8_t)n;
1153 				else
1154 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1155 			}
1156 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1157 				n = atoi(optarg);
1158 				if (n >= 0)
1159 					rx_pthresh = (int8_t)n;
1160 				else
1161 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1162 			}
1163 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1164 				n = atoi(optarg);
1165 				if (n >= 0)
1166 					rx_hthresh = (int8_t)n;
1167 				else
1168 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1169 			}
1170 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1171 				n = atoi(optarg);
1172 				if (n >= 0)
1173 					rx_wthresh = (int8_t)n;
1174 				else
1175 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1176 			}
1177 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1178 				n = atoi(optarg);
1179 				if (n >= 0)
1180 					rx_free_thresh = (int16_t)n;
1181 				else
1182 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1183 			}
1184 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1185 				if (parse_queue_stats_mapping_config(optarg, TX)) {
1186 					rte_exit(EXIT_FAILURE,
1187 						 "invalid TX queue statistics mapping config entered\n");
1188 				}
1189 			}
1190 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1191 				if (parse_queue_stats_mapping_config(optarg, RX)) {
1192 					rte_exit(EXIT_FAILURE,
1193 						 "invalid RX queue statistics mapping config entered\n");
1194 				}
1195 			}
1196 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1197 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1198 				unsigned int nb_segs;
1199 
1200 				nb_segs = parse_item_list(optarg, "txpkt segments",
1201 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1202 				if (nb_segs > 0)
1203 					set_tx_pkt_segments(seg_lengths, nb_segs);
1204 				else
1205 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1206 			}
1207 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1208 				txonly_multi_flow = 1;
1209 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1210 				no_flush_rx = 1;
1211 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1212 				no_link_check = 1;
1213 			if (!strcmp(lgopts[opt_idx].name, "disable-device-start"))
1214 				no_device_start = 1;
1215 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1216 				lsc_interrupt = 0;
1217 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1218 				rmv_interrupt = 0;
1219 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1220 				flow_isolate_all = 1;
1221 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1222 				char *end = NULL;
1223 				n = strtoull(optarg, &end, 16);
1224 				if (n >= 0)
1225 					tx_offloads = (uint64_t)n;
1226 				else
1227 					rte_exit(EXIT_FAILURE,
1228 						 "tx-offloads must be >= 0\n");
1229 			}
1230 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1231 				n = atoi(optarg);
1232 				if (n >= 0)
1233 					vxlan_gpe_udp_port = (uint16_t)n;
1234 				else
1235 					rte_exit(EXIT_FAILURE,
1236 						 "vxlan-gpe-port must be >= 0\n");
1237 			}
1238 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1239 				if (parse_event_printing_config(optarg, 1)) {
1240 					rte_exit(EXIT_FAILURE,
1241 						 "invalid print-event argument\n");
1242 				}
1243 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1244 				if (parse_event_printing_config(optarg, 0)) {
1245 					rte_exit(EXIT_FAILURE,
1246 						 "invalid mask-event argument\n");
1247 				}
1248 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1249 				hot_plug = 1;
1250 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1251 				do_mlockall = 1;
1252 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1253 				do_mlockall = 0;
1254 			if (!strcmp(lgopts[opt_idx].name,
1255 				    "noisy-tx-sw-buffer-size")) {
1256 				n = atoi(optarg);
1257 				if (n >= 0)
1258 					noisy_tx_sw_bufsz = n;
1259 				else
1260 					rte_exit(EXIT_FAILURE,
1261 						"noisy-tx-sw-buffer-size must be >= 0\n");
1262 			}
1263 			if (!strcmp(lgopts[opt_idx].name,
1264 				    "noisy-tx-sw-buffer-flushtime")) {
1265 				n = atoi(optarg);
1266 				if (n >= 0)
1267 					noisy_tx_sw_buf_flush_time = n;
1268 				else
1269 					rte_exit(EXIT_FAILURE,
1270 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1271 			}
1272 			if (!strcmp(lgopts[opt_idx].name,
1273 				    "noisy-lkup-memory")) {
1274 				n = atoi(optarg);
1275 				if (n >= 0)
1276 					noisy_lkup_mem_sz = n;
1277 				else
1278 					rte_exit(EXIT_FAILURE,
1279 						 "noisy-lkup-memory must be >= 0\n");
1280 			}
1281 			if (!strcmp(lgopts[opt_idx].name,
1282 				    "noisy-lkup-num-writes")) {
1283 				n = atoi(optarg);
1284 				if (n >= 0)
1285 					noisy_lkup_num_writes = n;
1286 				else
1287 					rte_exit(EXIT_FAILURE,
1288 						 "noisy-lkup-num-writes must be >= 0\n");
1289 			}
1290 			if (!strcmp(lgopts[opt_idx].name,
1291 				    "noisy-lkup-num-reads")) {
1292 				n = atoi(optarg);
1293 				if (n >= 0)
1294 					noisy_lkup_num_reads = n;
1295 				else
1296 					rte_exit(EXIT_FAILURE,
1297 						 "noisy-lkup-num-reads must be >= 0\n");
1298 			}
1299 			if (!strcmp(lgopts[opt_idx].name,
1300 				    "noisy-lkup-num-reads-writes")) {
1301 				n = atoi(optarg);
1302 				if (n >= 0)
1303 					noisy_lkup_num_reads_writes = n;
1304 				else
1305 					rte_exit(EXIT_FAILURE,
1306 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1307 			}
1308 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1309 				mempool_flags = MEMPOOL_F_NO_IOVA_CONTIG;
1310 			break;
1311 		case 'h':
1312 			usage(argv[0]);
1313 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
1314 			break;
1315 		default:
1316 			usage(argv[0]);
1317 			rte_exit(EXIT_FAILURE,
1318 				 "Command line is incomplete or incorrect\n");
1319 			break;
1320 		}
1321 	}
1322 
1323 	/* Set offload configuration from command line parameters. */
1324 	rx_mode.offloads = rx_offloads;
1325 	tx_mode.offloads = tx_offloads;
1326 
1327 	if (mempool_flags & MEMPOOL_F_NO_IOVA_CONTIG &&
1328 	    mp_alloc_type != MP_ALLOC_ANON) {
1329 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1330 				  "mp-alloc=anon. mempool no-iova-contig is "
1331 				  "ignored\n");
1332 		mempool_flags = 0;
1333 	}
1334 }
1335