xref: /dpdk/app/test-pmd/parameters.c (revision 12e10bd068e243d13a2aa03c1a4a1709c0faca3f)
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-drop-en: enable per queue packet drop.\n");
139 	printf("  --disable-rss: disable rss.\n");
140 	printf("  --port-topology=N: set port topology (N: paired (default) or "
141 	       "chained).\n");
142 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
143 	       list_pkt_forwarding_modes());
144 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
145 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
146 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
147 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
148 	printf("  --txq=N: set the number of TX queues per port to N.\n");
149 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
150 	printf("  --burst=N: set the number of packets per burst to N.\n");
151 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
152 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
153 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
154 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
155 	       "(0 <= N < value of rxd).\n");
156 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
157 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
158 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
159 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
160 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
161 	       "(0 <= N <= value of txd).\n");
162 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
163 	       "(0 <= N <= value of txd).\n");
164 	printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
165 	       "tx queues statistics counters mapping "
166 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
167 	printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
168 	       "rx queues statistics counters mapping "
169 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
170 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
171 	       " Used mainly with PCAP drivers.\n");
172 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
173 		" or total packet length.\n");
174 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
175 	printf("  --disable-link-check: disable check on link status when "
176 	       "starting/stopping ports.\n");
177 	printf("  --disable-device-start: do not automatically start port\n");
178 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
179 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
180 	printf("  --bitrate-stats=N: set the logical core N to perform "
181 		"bit-rate calculation.\n");
182 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|all>: "
183 	       "enable print of designated event or all of them.\n");
184 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|all>: "
185 	       "disable print of designated event or all of them.\n");
186 	printf("  --flow-isolate-all: "
187 	       "requests flow API isolated mode on all ports at initialization time.\n");
188 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
189 	printf("  --hot-plug: enable hot plug for device.\n");
190 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
191 	printf("  --mlockall: lock all memory\n");
192 	printf("  --no-mlockall: do not lock all memory\n");
193 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
194 	       "    native: use regular DPDK memory to create and populate mempool\n"
195 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
196 	       "    xmem: use anonymous memory to create and populate mempool\n"
197 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
198 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
199 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
200 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
201 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
202 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
203 	printf("  --noisy-lkup-num-writes=N: do N random reads and writes per packet\n");
204 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
205 	       "valid only with --mp-alloc=anon\n");
206 }
207 
208 #ifdef RTE_LIBRTE_CMDLINE
209 static int
210 init_peer_eth_addrs(char *config_filename)
211 {
212 	FILE *config_file;
213 	portid_t i;
214 	char buf[50];
215 
216 	config_file = fopen(config_filename, "r");
217 	if (config_file == NULL) {
218 		perror("Failed to open eth config file\n");
219 		return -1;
220 	}
221 
222 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
223 
224 		if (fgets(buf, sizeof(buf), config_file) == NULL)
225 			break;
226 
227 		if (rte_ether_unformat_addr(buf, &peer_eth_addrs[i]) < 0) {
228 			printf("Bad MAC address format on line %d\n", i+1);
229 			fclose(config_file);
230 			return -1;
231 		}
232 	}
233 	fclose(config_file);
234 	nb_peer_eth_addrs = (portid_t) i;
235 	return 0;
236 }
237 #endif
238 
239 /*
240  * Parse the coremask given as argument (hexadecimal string) and set
241  * the global configuration of forwarding cores.
242  */
243 static void
244 parse_fwd_coremask(const char *coremask)
245 {
246 	char *end;
247 	unsigned long long int cm;
248 
249 	/* parse hexadecimal string */
250 	end = NULL;
251 	cm = strtoull(coremask, &end, 16);
252 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
253 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
254 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
255 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
256 }
257 
258 /*
259  * Parse the coremask given as argument (hexadecimal string) and set
260  * the global configuration of forwarding cores.
261  */
262 static void
263 parse_fwd_portmask(const char *portmask)
264 {
265 	char *end;
266 	unsigned long long int pm;
267 
268 	/* parse hexadecimal string */
269 	end = NULL;
270 	pm = strtoull(portmask, &end, 16);
271 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
272 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
273 	else
274 		set_fwd_ports_mask((uint64_t) pm);
275 }
276 
277 
278 static int
279 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
280 {
281 	char s[256];
282 	const char *p, *p0 = q_arg;
283 	char *end;
284 	enum fieldnames {
285 		FLD_PORT = 0,
286 		FLD_QUEUE,
287 		FLD_STATS_COUNTER,
288 		_NUM_FLD
289 	};
290 	unsigned long int_fld[_NUM_FLD];
291 	char *str_fld[_NUM_FLD];
292 	int i;
293 	unsigned size;
294 
295 	/* reset from value set at definition */
296 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
297 
298 	while ((p = strchr(p0,'(')) != NULL) {
299 		++p;
300 		if((p0 = strchr(p,')')) == NULL)
301 			return -1;
302 
303 		size = p0 - p;
304 		if(size >= sizeof(s))
305 			return -1;
306 
307 		snprintf(s, sizeof(s), "%.*s", size, p);
308 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
309 			return -1;
310 		for (i = 0; i < _NUM_FLD; i++){
311 			errno = 0;
312 			int_fld[i] = strtoul(str_fld[i], &end, 0);
313 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
314 				return -1;
315 		}
316 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
317 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
318 			printf("Stats counter not in the correct range 0..%d\n",
319 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
320 			return -1;
321 		}
322 
323 		if (!is_rx) {
324 			if ((nb_tx_queue_stats_mappings >=
325 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
326 				printf("exceeded max number of TX queue "
327 						"statistics mappings: %hu\n",
328 						nb_tx_queue_stats_mappings);
329 				return -1;
330 			}
331 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
332 				(uint8_t)int_fld[FLD_PORT];
333 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
334 				(uint8_t)int_fld[FLD_QUEUE];
335 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
336 				(uint8_t)int_fld[FLD_STATS_COUNTER];
337 			++nb_tx_queue_stats_mappings;
338 		}
339 		else {
340 			if ((nb_rx_queue_stats_mappings >=
341 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
342 				printf("exceeded max number of RX queue "
343 						"statistics mappings: %hu\n",
344 						nb_rx_queue_stats_mappings);
345 				return -1;
346 			}
347 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
348 				(uint8_t)int_fld[FLD_PORT];
349 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
350 				(uint8_t)int_fld[FLD_QUEUE];
351 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
352 				(uint8_t)int_fld[FLD_STATS_COUNTER];
353 			++nb_rx_queue_stats_mappings;
354 		}
355 
356 	}
357 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
358 /* than to the default array (that was set at its definition) */
359 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
360 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
361 	return 0;
362 }
363 
364 static void
365 print_invalid_socket_id_error(void)
366 {
367 	unsigned int i = 0;
368 
369 	printf("Invalid socket id, options are: ");
370 	for (i = 0; i < num_sockets; i++) {
371 		printf("%u%s", socket_ids[i],
372 		      (i == num_sockets - 1) ? "\n" : ",");
373 	}
374 }
375 
376 static int
377 parse_portnuma_config(const char *q_arg)
378 {
379 	char s[256];
380 	const char *p, *p0 = q_arg;
381 	char *end;
382 	uint8_t i, socket_id;
383 	portid_t port_id;
384 	unsigned size;
385 	enum fieldnames {
386 		FLD_PORT = 0,
387 		FLD_SOCKET,
388 		_NUM_FLD
389 	};
390 	unsigned long int_fld[_NUM_FLD];
391 	char *str_fld[_NUM_FLD];
392 
393 	/* reset from value set at definition */
394 	while ((p = strchr(p0,'(')) != NULL) {
395 		++p;
396 		if((p0 = strchr(p,')')) == NULL)
397 			return -1;
398 
399 		size = p0 - p;
400 		if(size >= sizeof(s))
401 			return -1;
402 
403 		snprintf(s, sizeof(s), "%.*s", size, p);
404 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
405 			return -1;
406 		for (i = 0; i < _NUM_FLD; i++) {
407 			errno = 0;
408 			int_fld[i] = strtoul(str_fld[i], &end, 0);
409 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
410 				return -1;
411 		}
412 		port_id = (portid_t)int_fld[FLD_PORT];
413 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
414 			port_id == (portid_t)RTE_PORT_ALL) {
415 			print_valid_ports();
416 			return -1;
417 		}
418 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
419 		if (new_socket_id(socket_id)) {
420 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
421 				print_invalid_socket_id_error();
422 				return -1;
423 			}
424 			socket_ids[num_sockets++] = socket_id;
425 		}
426 		port_numa[port_id] = socket_id;
427 	}
428 
429 	return 0;
430 }
431 
432 static int
433 parse_ringnuma_config(const char *q_arg)
434 {
435 	char s[256];
436 	const char *p, *p0 = q_arg;
437 	char *end;
438 	uint8_t i, ring_flag, socket_id;
439 	portid_t port_id;
440 	unsigned size;
441 	enum fieldnames {
442 		FLD_PORT = 0,
443 		FLD_FLAG,
444 		FLD_SOCKET,
445 		_NUM_FLD
446 	};
447 	unsigned long int_fld[_NUM_FLD];
448 	char *str_fld[_NUM_FLD];
449 	#define RX_RING_ONLY 0x1
450 	#define TX_RING_ONLY 0x2
451 	#define RXTX_RING    0x3
452 
453 	/* reset from value set at definition */
454 	while ((p = strchr(p0,'(')) != NULL) {
455 		++p;
456 		if((p0 = strchr(p,')')) == NULL)
457 			return -1;
458 
459 		size = p0 - p;
460 		if(size >= sizeof(s))
461 			return -1;
462 
463 		snprintf(s, sizeof(s), "%.*s", size, p);
464 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
465 			return -1;
466 		for (i = 0; i < _NUM_FLD; i++) {
467 			errno = 0;
468 			int_fld[i] = strtoul(str_fld[i], &end, 0);
469 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
470 				return -1;
471 		}
472 		port_id = (portid_t)int_fld[FLD_PORT];
473 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
474 			port_id == (portid_t)RTE_PORT_ALL) {
475 			print_valid_ports();
476 			return -1;
477 		}
478 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
479 		if (new_socket_id(socket_id)) {
480 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
481 				print_invalid_socket_id_error();
482 				return -1;
483 			}
484 			socket_ids[num_sockets++] = socket_id;
485 		}
486 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
487 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
488 			printf("Invalid ring-flag=%d config for port =%d\n",
489 				ring_flag,port_id);
490 			return -1;
491 		}
492 
493 		switch (ring_flag & RXTX_RING) {
494 		case RX_RING_ONLY:
495 			rxring_numa[port_id] = socket_id;
496 			break;
497 		case TX_RING_ONLY:
498 			txring_numa[port_id] = socket_id;
499 			break;
500 		case RXTX_RING:
501 			rxring_numa[port_id] = socket_id;
502 			txring_numa[port_id] = socket_id;
503 			break;
504 		default:
505 			printf("Invalid ring-flag=%d config for port=%d\n",
506 				ring_flag,port_id);
507 			break;
508 		}
509 	}
510 
511 	return 0;
512 }
513 
514 static int
515 parse_event_printing_config(const char *optarg, int enable)
516 {
517 	uint32_t mask = 0;
518 
519 	if (!strcmp(optarg, "unknown"))
520 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
521 	else if (!strcmp(optarg, "intr_lsc"))
522 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
523 	else if (!strcmp(optarg, "queue_state"))
524 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
525 	else if (!strcmp(optarg, "intr_reset"))
526 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
527 	else if (!strcmp(optarg, "vf_mbox"))
528 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
529 	else if (!strcmp(optarg, "ipsec"))
530 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
531 	else if (!strcmp(optarg, "macsec"))
532 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
533 	else if (!strcmp(optarg, "intr_rmv"))
534 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
535 	else if (!strcmp(optarg, "dev_probed"))
536 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
537 	else if (!strcmp(optarg, "dev_released"))
538 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
539 	else if (!strcmp(optarg, "all"))
540 		mask = ~UINT32_C(0);
541 	else {
542 		fprintf(stderr, "Invalid event: %s\n", optarg);
543 		return -1;
544 	}
545 	if (enable)
546 		event_print_mask |= mask;
547 	else
548 		event_print_mask &= ~mask;
549 	return 0;
550 }
551 
552 void
553 launch_args_parse(int argc, char** argv)
554 {
555 	int n, opt;
556 	char **argvopt;
557 	int opt_idx;
558 	portid_t pid;
559 	enum { TX, RX };
560 	/* Default offloads for all ports. */
561 	uint64_t rx_offloads = rx_mode.offloads;
562 	uint64_t tx_offloads = tx_mode.offloads;
563 	struct rte_eth_dev_info dev_info;
564 	uint16_t rec_nb_pkts;
565 
566 	static struct option lgopts[] = {
567 		{ "help",			0, 0, 0 },
568 #ifdef RTE_LIBRTE_CMDLINE
569 		{ "interactive",		0, 0, 0 },
570 		{ "cmdline-file",		1, 0, 0 },
571 		{ "auto-start",			0, 0, 0 },
572 		{ "eth-peers-configfile",	1, 0, 0 },
573 		{ "eth-peer",			1, 0, 0 },
574 #endif
575 		{ "tx-first",			0, 0, 0 },
576 		{ "stats-period",		1, 0, 0 },
577 		{ "ports",			1, 0, 0 },
578 		{ "nb-cores",			1, 0, 0 },
579 		{ "nb-ports",			1, 0, 0 },
580 		{ "coremask",			1, 0, 0 },
581 		{ "portmask",			1, 0, 0 },
582 		{ "numa",			0, 0, 0 },
583 		{ "no-numa",			0, 0, 0 },
584 		{ "mp-anon",			0, 0, 0 },
585 		{ "port-numa-config",           1, 0, 0 },
586 		{ "ring-numa-config",           1, 0, 0 },
587 		{ "socket-num",			1, 0, 0 },
588 		{ "mbuf-size",			1, 0, 0 },
589 		{ "total-num-mbufs",		1, 0, 0 },
590 		{ "max-pkt-len",		1, 0, 0 },
591 		{ "pkt-filter-mode",            1, 0, 0 },
592 		{ "pkt-filter-report-hash",     1, 0, 0 },
593 		{ "pkt-filter-size",            1, 0, 0 },
594 		{ "pkt-filter-drop-queue",      1, 0, 0 },
595 #ifdef RTE_LIBRTE_LATENCY_STATS
596 		{ "latencystats",               1, 0, 0 },
597 #endif
598 #ifdef RTE_LIBRTE_BITRATE
599 		{ "bitrate-stats",              1, 0, 0 },
600 #endif
601 		{ "disable-crc-strip",          0, 0, 0 },
602 		{ "enable-lro",                 0, 0, 0 },
603 		{ "enable-rx-cksum",            0, 0, 0 },
604 		{ "enable-rx-timestamp",        0, 0, 0 },
605 		{ "enable-scatter",             0, 0, 0 },
606 		{ "enable-hw-vlan",             0, 0, 0 },
607 		{ "enable-hw-vlan-filter",      0, 0, 0 },
608 		{ "enable-hw-vlan-strip",       0, 0, 0 },
609 		{ "enable-hw-vlan-extend",      0, 0, 0 },
610 		{ "enable-drop-en",            0, 0, 0 },
611 		{ "disable-rss",                0, 0, 0 },
612 		{ "port-topology",              1, 0, 0 },
613 		{ "forward-mode",               1, 0, 0 },
614 		{ "rss-ip",			0, 0, 0 },
615 		{ "rss-udp",			0, 0, 0 },
616 		{ "rxq",			1, 0, 0 },
617 		{ "txq",			1, 0, 0 },
618 		{ "rxd",			1, 0, 0 },
619 		{ "txd",			1, 0, 0 },
620 		{ "burst",			1, 0, 0 },
621 		{ "mbcache",			1, 0, 0 },
622 		{ "txpt",			1, 0, 0 },
623 		{ "txht",			1, 0, 0 },
624 		{ "txwt",			1, 0, 0 },
625 		{ "txfreet",			1, 0, 0 },
626 		{ "txrst",			1, 0, 0 },
627 		{ "rxpt",			1, 0, 0 },
628 		{ "rxht",			1, 0, 0 },
629 		{ "rxwt",			1, 0, 0 },
630 		{ "rxfreet",                    1, 0, 0 },
631 		{ "tx-queue-stats-mapping",	1, 0, 0 },
632 		{ "rx-queue-stats-mapping",	1, 0, 0 },
633 		{ "no-flush-rx",	0, 0, 0 },
634 		{ "flow-isolate-all",	        0, 0, 0 },
635 		{ "txpkts",			1, 0, 0 },
636 		{ "txonly-multi-flow",		0, 0, 0 },
637 		{ "disable-link-check",		0, 0, 0 },
638 		{ "disable-device-start",	0, 0, 0 },
639 		{ "no-lsc-interrupt",		0, 0, 0 },
640 		{ "no-rmv-interrupt",		0, 0, 0 },
641 		{ "print-event",		1, 0, 0 },
642 		{ "mask-event",			1, 0, 0 },
643 		{ "tx-offloads",		1, 0, 0 },
644 		{ "hot-plug",			0, 0, 0 },
645 		{ "vxlan-gpe-port",		1, 0, 0 },
646 		{ "mlockall",			0, 0, 0 },
647 		{ "no-mlockall",		0, 0, 0 },
648 		{ "mp-alloc",			1, 0, 0 },
649 		{ "tx-ip",			1, 0, 0 },
650 		{ "tx-udp",			1, 0, 0 },
651 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
652 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
653 		{ "noisy-lkup-memory",		1, 0, 0 },
654 		{ "noisy-lkup-num-writes",	1, 0, 0 },
655 		{ "noisy-lkup-num-reads",	1, 0, 0 },
656 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
657 		{ "no-iova-contig",             0, 0, 0 },
658 		{ 0, 0, 0, 0 },
659 	};
660 
661 	argvopt = argv;
662 
663 #ifdef RTE_LIBRTE_CMDLINE
664 #define SHORTOPTS "i"
665 #else
666 #define SHORTOPTS ""
667 #endif
668 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
669 				 lgopts, &opt_idx)) != EOF) {
670 		switch (opt) {
671 #ifdef RTE_LIBRTE_CMDLINE
672 		case 'i':
673 			printf("Interactive-mode selected\n");
674 			interactive = 1;
675 			break;
676 #endif
677 		case 'a':
678 			printf("Auto-start selected\n");
679 			auto_start = 1;
680 			break;
681 
682 		case 0: /*long options */
683 			if (!strcmp(lgopts[opt_idx].name, "help")) {
684 				usage(argv[0]);
685 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
686 			}
687 #ifdef RTE_LIBRTE_CMDLINE
688 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
689 				printf("Interactive-mode selected\n");
690 				interactive = 1;
691 			}
692 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
693 				printf("CLI commands to be read from %s\n",
694 				       optarg);
695 				strlcpy(cmdline_filename, optarg,
696 					sizeof(cmdline_filename));
697 			}
698 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
699 				printf("Auto-start selected\n");
700 				auto_start = 1;
701 			}
702 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
703 				printf("Ports to start sending a burst of "
704 						"packets first\n");
705 				tx_first = 1;
706 			}
707 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
708 				char *end = NULL;
709 				unsigned int n;
710 
711 				n = strtoul(optarg, &end, 10);
712 				if ((optarg[0] == '\0') || (end == NULL) ||
713 						(*end != '\0'))
714 					break;
715 
716 				stats_period = n;
717 				break;
718 			}
719 			if (!strcmp(lgopts[opt_idx].name,
720 				    "eth-peers-configfile")) {
721 				if (init_peer_eth_addrs(optarg) != 0)
722 					rte_exit(EXIT_FAILURE,
723 						 "Cannot open logfile\n");
724 			}
725 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
726 				char *port_end;
727 
728 				errno = 0;
729 				n = strtoul(optarg, &port_end, 10);
730 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
731 					rte_exit(EXIT_FAILURE,
732 						 "Invalid eth-peer: %s", optarg);
733 				if (n >= RTE_MAX_ETHPORTS)
734 					rte_exit(EXIT_FAILURE,
735 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
736 						 n, RTE_MAX_ETHPORTS);
737 
738 				if (rte_ether_unformat_addr(port_end,
739 						&peer_eth_addrs[n]) < 0)
740 					rte_exit(EXIT_FAILURE,
741 						 "Invalid ethernet address: %s\n",
742 						 port_end);
743 				nb_peer_eth_addrs++;
744 			}
745 #endif
746 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
747 				struct in_addr in;
748 				char *end;
749 
750 				end = strchr(optarg, ',');
751 				if (end == optarg || !end)
752 					rte_exit(EXIT_FAILURE,
753 						 "Invalid tx-ip: %s", optarg);
754 
755 				*end++ = 0;
756 				if (inet_aton(optarg, &in) == 0)
757 					rte_exit(EXIT_FAILURE,
758 						 "Invalid source IP address: %s\n",
759 						 optarg);
760 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
761 
762 				if (inet_aton(end, &in) == 0)
763 					rte_exit(EXIT_FAILURE,
764 						 "Invalid destination IP address: %s\n",
765 						 optarg);
766 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
767 			}
768 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
769 				char *end = NULL;
770 
771 				errno = 0;
772 				n = strtoul(optarg, &end, 10);
773 				if (errno != 0 || end == optarg ||
774 				    n > UINT16_MAX ||
775 				    !(*end == '\0' || *end == ','))
776 					rte_exit(EXIT_FAILURE,
777 						 "Invalid UDP port: %s\n",
778 						 optarg);
779 				tx_udp_src_port = n;
780 				if (*end == ',') {
781 					char *dst = end + 1;
782 
783 					n = strtoul(dst, &end, 10);
784 					if (errno != 0 || end == dst ||
785 					    n > UINT16_MAX || *end)
786 						rte_exit(EXIT_FAILURE,
787 							 "Invalid destination UDP port: %s\n",
788 							 dst);
789 					tx_udp_dst_port = n;
790 				} else {
791 					tx_udp_dst_port = n;
792 				}
793 
794 			}
795 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
796 				n = atoi(optarg);
797 				if (n > 0 && n <= nb_ports)
798 					nb_fwd_ports = n;
799 				else
800 					rte_exit(EXIT_FAILURE,
801 						 "Invalid port %d\n", n);
802 			}
803 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
804 				n = atoi(optarg);
805 				if (n > 0 && n <= nb_lcores)
806 					nb_fwd_lcores = (uint8_t) n;
807 				else
808 					rte_exit(EXIT_FAILURE,
809 						 "nb-cores should be > 0 and <= %d\n",
810 						 nb_lcores);
811 			}
812 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
813 				parse_fwd_coremask(optarg);
814 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
815 				parse_fwd_portmask(optarg);
816 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
817 				numa_support = 0;
818 			if (!strcmp(lgopts[opt_idx].name, "numa"))
819 				numa_support = 1;
820 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
821 				mp_alloc_type = MP_ALLOC_ANON;
822 			}
823 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
824 				if (!strcmp(optarg, "native"))
825 					mp_alloc_type = MP_ALLOC_NATIVE;
826 				else if (!strcmp(optarg, "anon"))
827 					mp_alloc_type = MP_ALLOC_ANON;
828 				else if (!strcmp(optarg, "xmem"))
829 					mp_alloc_type = MP_ALLOC_XMEM;
830 				else if (!strcmp(optarg, "xmemhuge"))
831 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
832 				else
833 					rte_exit(EXIT_FAILURE,
834 						"mp-alloc %s invalid - must be: "
835 						"native, anon, xmem or xmemhuge\n",
836 						 optarg);
837 			}
838 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
839 				if (parse_portnuma_config(optarg))
840 					rte_exit(EXIT_FAILURE,
841 					   "invalid port-numa configuration\n");
842 			}
843 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
844 				if (parse_ringnuma_config(optarg))
845 					rte_exit(EXIT_FAILURE,
846 					   "invalid ring-numa configuration\n");
847 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
848 				n = atoi(optarg);
849 				if (!new_socket_id((uint8_t)n)) {
850 					socket_num = (uint8_t)n;
851 				} else {
852 					print_invalid_socket_id_error();
853 					rte_exit(EXIT_FAILURE,
854 						"Invalid socket id");
855 				}
856 			}
857 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
858 				n = atoi(optarg);
859 				if (n > 0 && n <= 0xFFFF)
860 					mbuf_data_size = (uint16_t) n;
861 				else
862 					rte_exit(EXIT_FAILURE,
863 						 "mbuf-size should be > 0 and < 65536\n");
864 			}
865 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
866 				n = atoi(optarg);
867 				if (n > 1024)
868 					param_total_num_mbufs = (unsigned)n;
869 				else
870 					rte_exit(EXIT_FAILURE,
871 						 "total-num-mbufs should be > 1024\n");
872 			}
873 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
874 				n = atoi(optarg);
875 				if (n >= RTE_ETHER_MIN_LEN) {
876 					rx_mode.max_rx_pkt_len = (uint32_t) n;
877 					if (n > RTE_ETHER_MAX_LEN)
878 						rx_offloads |=
879 							DEV_RX_OFFLOAD_JUMBO_FRAME;
880 				} else
881 					rte_exit(EXIT_FAILURE,
882 						 "Invalid max-pkt-len=%d - should be > %d\n",
883 						 n, RTE_ETHER_MIN_LEN);
884 			}
885 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
886 				if (!strcmp(optarg, "signature"))
887 					fdir_conf.mode =
888 						RTE_FDIR_MODE_SIGNATURE;
889 				else if (!strcmp(optarg, "perfect"))
890 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
891 				else if (!strcmp(optarg, "perfect-mac-vlan"))
892 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
893 				else if (!strcmp(optarg, "perfect-tunnel"))
894 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
895 				else if (!strcmp(optarg, "none"))
896 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
897 				else
898 					rte_exit(EXIT_FAILURE,
899 						 "pkt-mode-invalid %s invalid - must be: "
900 						 "none, signature, perfect, perfect-mac-vlan"
901 						 " or perfect-tunnel\n",
902 						 optarg);
903 			}
904 			if (!strcmp(lgopts[opt_idx].name,
905 				    "pkt-filter-report-hash")) {
906 				if (!strcmp(optarg, "none"))
907 					fdir_conf.status =
908 						RTE_FDIR_NO_REPORT_STATUS;
909 				else if (!strcmp(optarg, "match"))
910 					fdir_conf.status =
911 						RTE_FDIR_REPORT_STATUS;
912 				else if (!strcmp(optarg, "always"))
913 					fdir_conf.status =
914 						RTE_FDIR_REPORT_STATUS_ALWAYS;
915 				else
916 					rte_exit(EXIT_FAILURE,
917 						 "pkt-filter-report-hash %s invalid "
918 						 "- must be: none or match or always\n",
919 						 optarg);
920 			}
921 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
922 				if (!strcmp(optarg, "64K"))
923 					fdir_conf.pballoc =
924 						RTE_FDIR_PBALLOC_64K;
925 				else if (!strcmp(optarg, "128K"))
926 					fdir_conf.pballoc =
927 						RTE_FDIR_PBALLOC_128K;
928 				else if (!strcmp(optarg, "256K"))
929 					fdir_conf.pballoc =
930 						RTE_FDIR_PBALLOC_256K;
931 				else
932 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
933 						 " must be: 64K or 128K or 256K\n",
934 						 optarg);
935 			}
936 			if (!strcmp(lgopts[opt_idx].name,
937 				    "pkt-filter-drop-queue")) {
938 				n = atoi(optarg);
939 				if (n >= 0)
940 					fdir_conf.drop_queue = (uint8_t) n;
941 				else
942 					rte_exit(EXIT_FAILURE,
943 						 "drop queue %d invalid - must"
944 						 "be >= 0 \n", n);
945 			}
946 #ifdef RTE_LIBRTE_LATENCY_STATS
947 			if (!strcmp(lgopts[opt_idx].name,
948 				    "latencystats")) {
949 				n = atoi(optarg);
950 				if (n >= 0) {
951 					latencystats_lcore_id = (lcoreid_t) n;
952 					latencystats_enabled = 1;
953 				} else
954 					rte_exit(EXIT_FAILURE,
955 						 "invalid lcore id %d for latencystats"
956 						 " must be >= 0\n", n);
957 			}
958 #endif
959 #ifdef RTE_LIBRTE_BITRATE
960 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
961 				n = atoi(optarg);
962 				if (n >= 0) {
963 					bitrate_lcore_id = (lcoreid_t) n;
964 					bitrate_enabled = 1;
965 				} else
966 					rte_exit(EXIT_FAILURE,
967 						 "invalid lcore id %d for bitrate stats"
968 						 " must be >= 0\n", n);
969 			}
970 #endif
971 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
972 				rx_offloads |= DEV_RX_OFFLOAD_KEEP_CRC;
973 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
974 				rx_offloads |= DEV_RX_OFFLOAD_TCP_LRO;
975 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
976 				rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
977 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
978 				rx_offloads |= DEV_RX_OFFLOAD_CHECKSUM;
979 			if (!strcmp(lgopts[opt_idx].name,
980 					"enable-rx-timestamp"))
981 				rx_offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
982 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
983 				rx_offloads |= DEV_RX_OFFLOAD_VLAN;
984 
985 			if (!strcmp(lgopts[opt_idx].name,
986 					"enable-hw-vlan-filter"))
987 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
988 
989 			if (!strcmp(lgopts[opt_idx].name,
990 					"enable-hw-vlan-strip"))
991 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
992 
993 			if (!strcmp(lgopts[opt_idx].name,
994 					"enable-hw-vlan-extend"))
995 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
996 
997 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
998 				rx_drop_en = 1;
999 
1000 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
1001 				rss_hf = 0;
1002 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
1003 				if (!strcmp(optarg, "paired"))
1004 					port_topology = PORT_TOPOLOGY_PAIRED;
1005 				else if (!strcmp(optarg, "chained"))
1006 					port_topology = PORT_TOPOLOGY_CHAINED;
1007 				else if (!strcmp(optarg, "loop"))
1008 					port_topology = PORT_TOPOLOGY_LOOP;
1009 				else
1010 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
1011 						 " must be: paired, chained or loop\n",
1012 						 optarg);
1013 			}
1014 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
1015 				set_pkt_forwarding_mode(optarg);
1016 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
1017 				rss_hf = ETH_RSS_IP;
1018 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
1019 				rss_hf = ETH_RSS_UDP;
1020 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
1021 				n = atoi(optarg);
1022 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
1023 					nb_rxq = (queueid_t) n;
1024 				else
1025 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
1026 						  " >= 0 && <= %u\n", n,
1027 						  get_allowed_max_nb_rxq(&pid));
1028 			}
1029 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
1030 				n = atoi(optarg);
1031 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
1032 					nb_txq = (queueid_t) n;
1033 				else
1034 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1035 						  " >= 0 && <= %u\n", n,
1036 						  get_allowed_max_nb_txq(&pid));
1037 			}
1038 			if (!nb_rxq && !nb_txq) {
1039 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
1040 						"be non-zero\n");
1041 			}
1042 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
1043 				n = atoi(optarg);
1044 				if (n == 0) {
1045 					/* A burst size of zero means that the
1046 					 * PMD should be queried for
1047 					 * recommended Rx burst size. Since
1048 					 * testpmd uses a single size for all
1049 					 * ports, port 0 is queried for the
1050 					 * value, on the assumption that all
1051 					 * ports are of the same NIC model.
1052 					 */
1053 					rte_eth_dev_info_get(0, &dev_info);
1054 					rec_nb_pkts = dev_info
1055 						.default_rxportconf.burst_size;
1056 
1057 					if (rec_nb_pkts == 0)
1058 						rte_exit(EXIT_FAILURE,
1059 							"PMD does not recommend a burst size. "
1060 							"Provided value must be between "
1061 							"1 and %d\n", MAX_PKT_BURST);
1062 					else if (rec_nb_pkts > MAX_PKT_BURST)
1063 						rte_exit(EXIT_FAILURE,
1064 							"PMD recommended burst size of %d"
1065 							" exceeds maximum value of %d\n",
1066 							rec_nb_pkts, MAX_PKT_BURST);
1067 					printf("Using PMD-provided burst value of %d\n",
1068 						rec_nb_pkts);
1069 					nb_pkt_per_burst = rec_nb_pkts;
1070 				} else if (n > MAX_PKT_BURST)
1071 					rte_exit(EXIT_FAILURE,
1072 						"burst must be between1 and %d\n",
1073 						MAX_PKT_BURST);
1074 				else
1075 					nb_pkt_per_burst = (uint16_t) n;
1076 			}
1077 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1078 				n = atoi(optarg);
1079 				if ((n >= 0) &&
1080 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1081 					mb_mempool_cache = (uint16_t) n;
1082 				else
1083 					rte_exit(EXIT_FAILURE,
1084 						 "mbcache must be >= 0 and <= %d\n",
1085 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1086 			}
1087 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1088 				n = atoi(optarg);
1089 				if (n >= 0)
1090 					tx_free_thresh = (int16_t)n;
1091 				else
1092 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1093 			}
1094 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1095 				n = atoi(optarg);
1096 				if (n >= 0)
1097 					tx_rs_thresh = (int16_t)n;
1098 				else
1099 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1100 			}
1101 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1102 				n = atoi(optarg);
1103 				if (n > 0) {
1104 					if (rx_free_thresh >= n)
1105 						rte_exit(EXIT_FAILURE,
1106 							 "rxd must be > "
1107 							 "rx_free_thresh(%d)\n",
1108 							 (int)rx_free_thresh);
1109 					else
1110 						nb_rxd = (uint16_t) n;
1111 				} else
1112 					rte_exit(EXIT_FAILURE,
1113 						 "rxd(%d) invalid - must be > 0\n",
1114 						 n);
1115 			}
1116 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1117 				n = atoi(optarg);
1118 				if (n > 0)
1119 					nb_txd = (uint16_t) n;
1120 				else
1121 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1122 			}
1123 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1124 				n = atoi(optarg);
1125 				if (n >= 0)
1126 					tx_pthresh = (int8_t)n;
1127 				else
1128 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1129 			}
1130 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1131 				n = atoi(optarg);
1132 				if (n >= 0)
1133 					tx_hthresh = (int8_t)n;
1134 				else
1135 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1136 			}
1137 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1138 				n = atoi(optarg);
1139 				if (n >= 0)
1140 					tx_wthresh = (int8_t)n;
1141 				else
1142 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1143 			}
1144 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1145 				n = atoi(optarg);
1146 				if (n >= 0)
1147 					rx_pthresh = (int8_t)n;
1148 				else
1149 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1150 			}
1151 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1152 				n = atoi(optarg);
1153 				if (n >= 0)
1154 					rx_hthresh = (int8_t)n;
1155 				else
1156 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1157 			}
1158 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1159 				n = atoi(optarg);
1160 				if (n >= 0)
1161 					rx_wthresh = (int8_t)n;
1162 				else
1163 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1164 			}
1165 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1166 				n = atoi(optarg);
1167 				if (n >= 0)
1168 					rx_free_thresh = (int16_t)n;
1169 				else
1170 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1171 			}
1172 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1173 				if (parse_queue_stats_mapping_config(optarg, TX)) {
1174 					rte_exit(EXIT_FAILURE,
1175 						 "invalid TX queue statistics mapping config entered\n");
1176 				}
1177 			}
1178 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1179 				if (parse_queue_stats_mapping_config(optarg, RX)) {
1180 					rte_exit(EXIT_FAILURE,
1181 						 "invalid RX queue statistics mapping config entered\n");
1182 				}
1183 			}
1184 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1185 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1186 				unsigned int nb_segs;
1187 
1188 				nb_segs = parse_item_list(optarg, "txpkt segments",
1189 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1190 				if (nb_segs > 0)
1191 					set_tx_pkt_segments(seg_lengths, nb_segs);
1192 				else
1193 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1194 			}
1195 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1196 				txonly_multi_flow = 1;
1197 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1198 				no_flush_rx = 1;
1199 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1200 				no_link_check = 1;
1201 			if (!strcmp(lgopts[opt_idx].name, "disable-device-start"))
1202 				no_device_start = 1;
1203 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1204 				lsc_interrupt = 0;
1205 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1206 				rmv_interrupt = 0;
1207 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1208 				flow_isolate_all = 1;
1209 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1210 				char *end = NULL;
1211 				n = strtoull(optarg, &end, 16);
1212 				if (n >= 0)
1213 					tx_offloads = (uint64_t)n;
1214 				else
1215 					rte_exit(EXIT_FAILURE,
1216 						 "tx-offloads must be >= 0\n");
1217 			}
1218 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1219 				n = atoi(optarg);
1220 				if (n >= 0)
1221 					vxlan_gpe_udp_port = (uint16_t)n;
1222 				else
1223 					rte_exit(EXIT_FAILURE,
1224 						 "vxlan-gpe-port must be >= 0\n");
1225 			}
1226 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1227 				if (parse_event_printing_config(optarg, 1)) {
1228 					rte_exit(EXIT_FAILURE,
1229 						 "invalid print-event argument\n");
1230 				}
1231 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1232 				if (parse_event_printing_config(optarg, 0)) {
1233 					rte_exit(EXIT_FAILURE,
1234 						 "invalid mask-event argument\n");
1235 				}
1236 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1237 				hot_plug = 1;
1238 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1239 				do_mlockall = 1;
1240 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1241 				do_mlockall = 0;
1242 			if (!strcmp(lgopts[opt_idx].name,
1243 				    "noisy-tx-sw-buffer-size")) {
1244 				n = atoi(optarg);
1245 				if (n >= 0)
1246 					noisy_tx_sw_bufsz = n;
1247 				else
1248 					rte_exit(EXIT_FAILURE,
1249 						"noisy-tx-sw-buffer-size must be >= 0\n");
1250 			}
1251 			if (!strcmp(lgopts[opt_idx].name,
1252 				    "noisy-tx-sw-buffer-flushtime")) {
1253 				n = atoi(optarg);
1254 				if (n >= 0)
1255 					noisy_tx_sw_buf_flush_time = n;
1256 				else
1257 					rte_exit(EXIT_FAILURE,
1258 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1259 			}
1260 			if (!strcmp(lgopts[opt_idx].name,
1261 				    "noisy-lkup-memory")) {
1262 				n = atoi(optarg);
1263 				if (n >= 0)
1264 					noisy_lkup_mem_sz = n;
1265 				else
1266 					rte_exit(EXIT_FAILURE,
1267 						 "noisy-lkup-memory must be >= 0\n");
1268 			}
1269 			if (!strcmp(lgopts[opt_idx].name,
1270 				    "noisy-lkup-num-writes")) {
1271 				n = atoi(optarg);
1272 				if (n >= 0)
1273 					noisy_lkup_num_writes = n;
1274 				else
1275 					rte_exit(EXIT_FAILURE,
1276 						 "noisy-lkup-num-writes must be >= 0\n");
1277 			}
1278 			if (!strcmp(lgopts[opt_idx].name,
1279 				    "noisy-lkup-num-reads")) {
1280 				n = atoi(optarg);
1281 				if (n >= 0)
1282 					noisy_lkup_num_reads = n;
1283 				else
1284 					rte_exit(EXIT_FAILURE,
1285 						 "noisy-lkup-num-reads must be >= 0\n");
1286 			}
1287 			if (!strcmp(lgopts[opt_idx].name,
1288 				    "noisy-lkup-num-reads-writes")) {
1289 				n = atoi(optarg);
1290 				if (n >= 0)
1291 					noisy_lkup_num_reads_writes = n;
1292 				else
1293 					rte_exit(EXIT_FAILURE,
1294 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1295 			}
1296 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1297 				mempool_flags = MEMPOOL_F_NO_IOVA_CONTIG;
1298 			break;
1299 		case 'h':
1300 			usage(argv[0]);
1301 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
1302 			break;
1303 		default:
1304 			usage(argv[0]);
1305 			rte_exit(EXIT_FAILURE,
1306 				 "Command line is incomplete or incorrect\n");
1307 			break;
1308 		}
1309 	}
1310 
1311 	/* Set offload configuration from command line parameters. */
1312 	rx_mode.offloads = rx_offloads;
1313 	tx_mode.offloads = tx_offloads;
1314 
1315 	if (mempool_flags & MEMPOOL_F_NO_IOVA_CONTIG &&
1316 	    mp_alloc_type != MP_ALLOC_ANON) {
1317 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1318 				  "mp-alloc=anon. mempool no-iova-contig is "
1319 				  "ignored\n");
1320 		mempool_flags = 0;
1321 	}
1322 }
1323