xref: /dpdk/app/test-pmd/parameters.c (revision 90197eb0945b50c9cd6e11f310cfc5078b28f75e)
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_CMDLINE
43 #include <cmdline_parse.h>
44 #include <cmdline_parse_etheraddr.h>
45 #endif
46 #ifdef RTE_LIBRTE_PMD_BOND
47 #include <rte_eth_bond.h>
48 #endif
49 #include <rte_flow.h>
50 
51 #include "testpmd.h"
52 
53 static void
54 usage(char* progname)
55 {
56 	printf("usage: %s "
57 #ifdef RTE_LIBRTE_CMDLINE
58 	       "[--interactive|-i] "
59 	       "[--cmdline-file=FILENAME] "
60 #endif
61 	       "[--help|-h] | [--auto-start|-a] | ["
62 	       "--tx-first | --stats-period=PERIOD | "
63 	       "--coremask=COREMASK --portmask=PORTMASK --numa "
64 	       "--mbuf-size= | --total-num-mbufs= | "
65 	       "--nb-cores= | --nb-ports= | "
66 #ifdef RTE_LIBRTE_CMDLINE
67 	       "--eth-peers-configfile= | "
68 	       "--eth-peer=X,M:M:M:M:M:M | "
69 	       "--tx-ip=SRC,DST | --tx-udp=PORT | "
70 #endif
71 	       "--pkt-filter-mode= |"
72 	       "--rss-ip | --rss-udp | "
73 	       "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
74 	       "--txpt= | --txht= | --txwt= | --txfreet= | "
75 	       "--txrst= | --tx-offloads= | --vxlan-gpe-port= ]\n",
76 	       progname);
77 #ifdef RTE_LIBRTE_CMDLINE
78 	printf("  --interactive: run in interactive mode.\n");
79 	printf("  --cmdline-file: execute cli commands before startup.\n");
80 #endif
81 	printf("  --auto-start: start forwarding on init "
82 	       "[always when non-interactive].\n");
83 	printf("  --help: display this message and quit.\n");
84 	printf("  --tx-first: start forwarding sending a burst first "
85 	       "(only if interactive is disabled).\n");
86 	printf("  --stats-period=PERIOD: statistics will be shown "
87 	       "every PERIOD seconds (only if interactive is disabled).\n");
88 	printf("  --nb-cores=N: set the number of forwarding cores "
89 	       "(1 <= N <= %d).\n", nb_lcores);
90 	printf("  --nb-ports=N: set the number of forwarding ports "
91 	       "(1 <= N <= %d).\n", nb_ports);
92 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
93 	       "the packet forwarding test. The master lcore is reserved for "
94 	       "command line parsing only, and cannot be masked on for "
95 	       "packet forwarding.\n");
96 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
97 	       "by the packet forwarding test.\n");
98 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
99 	       "RX memory buffers (mbufs).\n");
100 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
101 	       "specify the socket on which the memory pool "
102 	       "used by the port will be allocated.\n");
103 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
104 	       "specify the socket on which the TX/RX rings for "
105 	       "the port will be allocated "
106 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
107 	printf("  --socket-num=N: set socket from which all memory is allocated "
108 	       "in NUMA mode.\n");
109 	printf("  --mbuf-size=N: set the data size of mbuf to N bytes.\n");
110 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
111 	       "in mbuf pools.\n");
112 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
113 #ifdef RTE_LIBRTE_CMDLINE
114 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
115 	       "of peer ports.\n");
116 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
117 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
118 #endif
119 	printf("  --pkt-filter-mode=N: set Flow Director mode "
120 	       "(N: none (default mode) or signature or perfect).\n");
121 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
122 	       "(N: none  or match (default) or always).\n");
123 	printf("  --pkt-filter-size=N: set Flow Director mode "
124 	       "(N: 64K (default mode) or 128K or 256K).\n");
125 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
126 	       "In perfect mode, when you add a rule with queue = -1 "
127 	       "the packet will be enqueued into the rx drop-queue. "
128 	       "If the drop-queue doesn't exist, the packet is dropped. "
129 	       "By default drop-queue=127.\n");
130 #ifdef RTE_LIBRTE_LATENCY_STATS
131 	printf("  --latencystats=N: enable latency and jitter statistcs "
132 	       "monitoring on forwarding lcore id N.\n");
133 #endif
134 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
135 	printf("  --enable-lro: enable large receive offload.\n");
136 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
137 	printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
138 	printf("  --enable-hw-vlan: enable hardware vlan.\n");
139 	printf("  --enable-hw-vlan-filter: enable hardware vlan filter.\n");
140 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
141 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
142 	printf("  --enable-drop-en: enable per queue packet drop.\n");
143 	printf("  --disable-rss: disable rss.\n");
144 	printf("  --port-topology=N: set port topology (N: paired (default) or "
145 	       "chained).\n");
146 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
147 	       list_pkt_forwarding_modes());
148 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
149 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
150 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
151 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
152 	printf("  --txq=N: set the number of TX queues per port to N.\n");
153 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
154 	printf("  --burst=N: set the number of packets per burst to N.\n");
155 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
156 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
157 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
158 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
159 	       "(0 <= N < value of rxd).\n");
160 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
161 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
162 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
163 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
164 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
165 	       "(0 <= N <= value of txd).\n");
166 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
167 	       "(0 <= N <= value of txd).\n");
168 	printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
169 	       "tx queues statistics counters mapping "
170 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
171 	printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
172 	       "rx queues statistics counters mapping "
173 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
174 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
175 	       " Used mainly with PCAP drivers.\n");
176 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
177 		" or total packet length.\n");
178 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
179 	printf("  --disable-link-check: disable check on link status when "
180 	       "starting/stopping ports.\n");
181 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
182 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
183 	printf("  --bitrate-stats=N: set the logical core N to perform "
184 		"bit-rate calculation.\n");
185 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|all>: "
186 	       "enable print of designated event or all of them.\n");
187 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|all>: "
188 	       "disable print of designated event or all of them.\n");
189 	printf("  --flow-isolate-all: "
190 	       "requests flow API isolated mode on all ports at initialization time.\n");
191 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
192 	printf("  --hot-plug: enable hot plug for device.\n");
193 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
194 	printf("  --mlockall: lock all memory\n");
195 	printf("  --no-mlockall: do not lock all memory\n");
196 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
197 	       "    native: use regular DPDK memory to create and populate mempool\n"
198 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
199 	       "    xmem: use anonymous memory to create and populate mempool\n"
200 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
201 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
202 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
203 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
204 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
205 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
206 	printf("  --noisy-lkup-num-writes=N: do N random reads and writes per packet\n");
207 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
208 	       "valid only with --mp-alloc=anon\n");
209 }
210 
211 #ifdef RTE_LIBRTE_CMDLINE
212 static int
213 init_peer_eth_addrs(char *config_filename)
214 {
215 	FILE *config_file;
216 	portid_t i;
217 	char buf[50];
218 
219 	config_file = fopen(config_filename, "r");
220 	if (config_file == NULL) {
221 		perror("Failed to open eth config file\n");
222 		return -1;
223 	}
224 
225 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
226 
227 		if (fgets(buf, sizeof(buf), config_file) == NULL)
228 			break;
229 
230 		if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i],
231 				sizeof(peer_eth_addrs[i])) < 0) {
232 			printf("Bad MAC address format on line %d\n", i+1);
233 			fclose(config_file);
234 			return -1;
235 		}
236 	}
237 	fclose(config_file);
238 	nb_peer_eth_addrs = (portid_t) i;
239 	return 0;
240 }
241 #endif
242 
243 /*
244  * Parse the coremask given as argument (hexadecimal string) and set
245  * the global configuration of forwarding cores.
246  */
247 static void
248 parse_fwd_coremask(const char *coremask)
249 {
250 	char *end;
251 	unsigned long long int cm;
252 
253 	/* parse hexadecimal string */
254 	end = NULL;
255 	cm = strtoull(coremask, &end, 16);
256 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
257 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
258 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
259 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
260 }
261 
262 /*
263  * Parse the coremask given as argument (hexadecimal string) and set
264  * the global configuration of forwarding cores.
265  */
266 static void
267 parse_fwd_portmask(const char *portmask)
268 {
269 	char *end;
270 	unsigned long long int pm;
271 
272 	/* parse hexadecimal string */
273 	end = NULL;
274 	pm = strtoull(portmask, &end, 16);
275 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
276 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
277 	else
278 		set_fwd_ports_mask((uint64_t) pm);
279 }
280 
281 
282 static int
283 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
284 {
285 	char s[256];
286 	const char *p, *p0 = q_arg;
287 	char *end;
288 	enum fieldnames {
289 		FLD_PORT = 0,
290 		FLD_QUEUE,
291 		FLD_STATS_COUNTER,
292 		_NUM_FLD
293 	};
294 	unsigned long int_fld[_NUM_FLD];
295 	char *str_fld[_NUM_FLD];
296 	int i;
297 	unsigned size;
298 
299 	/* reset from value set at definition */
300 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
301 
302 	while ((p = strchr(p0,'(')) != NULL) {
303 		++p;
304 		if((p0 = strchr(p,')')) == NULL)
305 			return -1;
306 
307 		size = p0 - p;
308 		if(size >= sizeof(s))
309 			return -1;
310 
311 		snprintf(s, sizeof(s), "%.*s", size, p);
312 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
313 			return -1;
314 		for (i = 0; i < _NUM_FLD; i++){
315 			errno = 0;
316 			int_fld[i] = strtoul(str_fld[i], &end, 0);
317 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
318 				return -1;
319 		}
320 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
321 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
322 			printf("Stats counter not in the correct range 0..%d\n",
323 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
324 			return -1;
325 		}
326 
327 		if (!is_rx) {
328 			if ((nb_tx_queue_stats_mappings >=
329 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
330 				printf("exceeded max number of TX queue "
331 						"statistics mappings: %hu\n",
332 						nb_tx_queue_stats_mappings);
333 				return -1;
334 			}
335 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
336 				(uint8_t)int_fld[FLD_PORT];
337 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
338 				(uint8_t)int_fld[FLD_QUEUE];
339 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
340 				(uint8_t)int_fld[FLD_STATS_COUNTER];
341 			++nb_tx_queue_stats_mappings;
342 		}
343 		else {
344 			if ((nb_rx_queue_stats_mappings >=
345 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
346 				printf("exceeded max number of RX queue "
347 						"statistics mappings: %hu\n",
348 						nb_rx_queue_stats_mappings);
349 				return -1;
350 			}
351 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
352 				(uint8_t)int_fld[FLD_PORT];
353 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
354 				(uint8_t)int_fld[FLD_QUEUE];
355 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
356 				(uint8_t)int_fld[FLD_STATS_COUNTER];
357 			++nb_rx_queue_stats_mappings;
358 		}
359 
360 	}
361 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
362 /* than to the default array (that was set at its definition) */
363 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
364 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
365 	return 0;
366 }
367 
368 static void
369 print_invalid_socket_id_error(void)
370 {
371 	unsigned int i = 0;
372 
373 	printf("Invalid socket id, options are: ");
374 	for (i = 0; i < num_sockets; i++) {
375 		printf("%u%s", socket_ids[i],
376 		      (i == num_sockets - 1) ? "\n" : ",");
377 	}
378 }
379 
380 static int
381 parse_portnuma_config(const char *q_arg)
382 {
383 	char s[256];
384 	const char *p, *p0 = q_arg;
385 	char *end;
386 	uint8_t i, socket_id;
387 	portid_t port_id;
388 	unsigned size;
389 	enum fieldnames {
390 		FLD_PORT = 0,
391 		FLD_SOCKET,
392 		_NUM_FLD
393 	};
394 	unsigned long int_fld[_NUM_FLD];
395 	char *str_fld[_NUM_FLD];
396 
397 	/* reset from value set at definition */
398 	while ((p = strchr(p0,'(')) != NULL) {
399 		++p;
400 		if((p0 = strchr(p,')')) == NULL)
401 			return -1;
402 
403 		size = p0 - p;
404 		if(size >= sizeof(s))
405 			return -1;
406 
407 		snprintf(s, sizeof(s), "%.*s", size, p);
408 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
409 			return -1;
410 		for (i = 0; i < _NUM_FLD; i++) {
411 			errno = 0;
412 			int_fld[i] = strtoul(str_fld[i], &end, 0);
413 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
414 				return -1;
415 		}
416 		port_id = (portid_t)int_fld[FLD_PORT];
417 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
418 			port_id == (portid_t)RTE_PORT_ALL) {
419 			print_valid_ports();
420 			return -1;
421 		}
422 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
423 		if (new_socket_id(socket_id)) {
424 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
425 				print_invalid_socket_id_error();
426 				return -1;
427 			}
428 			socket_ids[num_sockets++] = socket_id;
429 		}
430 		port_numa[port_id] = socket_id;
431 	}
432 
433 	return 0;
434 }
435 
436 static int
437 parse_ringnuma_config(const char *q_arg)
438 {
439 	char s[256];
440 	const char *p, *p0 = q_arg;
441 	char *end;
442 	uint8_t i, ring_flag, socket_id;
443 	portid_t port_id;
444 	unsigned size;
445 	enum fieldnames {
446 		FLD_PORT = 0,
447 		FLD_FLAG,
448 		FLD_SOCKET,
449 		_NUM_FLD
450 	};
451 	unsigned long int_fld[_NUM_FLD];
452 	char *str_fld[_NUM_FLD];
453 	#define RX_RING_ONLY 0x1
454 	#define TX_RING_ONLY 0x2
455 	#define RXTX_RING    0x3
456 
457 	/* reset from value set at definition */
458 	while ((p = strchr(p0,'(')) != NULL) {
459 		++p;
460 		if((p0 = strchr(p,')')) == NULL)
461 			return -1;
462 
463 		size = p0 - p;
464 		if(size >= sizeof(s))
465 			return -1;
466 
467 		snprintf(s, sizeof(s), "%.*s", size, p);
468 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
469 			return -1;
470 		for (i = 0; i < _NUM_FLD; i++) {
471 			errno = 0;
472 			int_fld[i] = strtoul(str_fld[i], &end, 0);
473 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
474 				return -1;
475 		}
476 		port_id = (portid_t)int_fld[FLD_PORT];
477 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
478 			port_id == (portid_t)RTE_PORT_ALL) {
479 			print_valid_ports();
480 			return -1;
481 		}
482 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
483 		if (new_socket_id(socket_id)) {
484 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
485 				print_invalid_socket_id_error();
486 				return -1;
487 			}
488 			socket_ids[num_sockets++] = socket_id;
489 		}
490 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
491 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
492 			printf("Invalid ring-flag=%d config for port =%d\n",
493 				ring_flag,port_id);
494 			return -1;
495 		}
496 
497 		switch (ring_flag & RXTX_RING) {
498 		case RX_RING_ONLY:
499 			rxring_numa[port_id] = socket_id;
500 			break;
501 		case TX_RING_ONLY:
502 			txring_numa[port_id] = socket_id;
503 			break;
504 		case RXTX_RING:
505 			rxring_numa[port_id] = socket_id;
506 			txring_numa[port_id] = socket_id;
507 			break;
508 		default:
509 			printf("Invalid ring-flag=%d config for port=%d\n",
510 				ring_flag,port_id);
511 			break;
512 		}
513 	}
514 
515 	return 0;
516 }
517 
518 static int
519 parse_event_printing_config(const char *optarg, int enable)
520 {
521 	uint32_t mask = 0;
522 
523 	if (!strcmp(optarg, "unknown"))
524 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
525 	else if (!strcmp(optarg, "intr_lsc"))
526 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
527 	else if (!strcmp(optarg, "queue_state"))
528 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
529 	else if (!strcmp(optarg, "intr_reset"))
530 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
531 	else if (!strcmp(optarg, "vf_mbox"))
532 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
533 	else if (!strcmp(optarg, "ipsec"))
534 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
535 	else if (!strcmp(optarg, "macsec"))
536 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
537 	else if (!strcmp(optarg, "intr_rmv"))
538 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
539 	else if (!strcmp(optarg, "dev_probed"))
540 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
541 	else if (!strcmp(optarg, "dev_released"))
542 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
543 	else if (!strcmp(optarg, "all"))
544 		mask = ~UINT32_C(0);
545 	else {
546 		fprintf(stderr, "Invalid event: %s\n", optarg);
547 		return -1;
548 	}
549 	if (enable)
550 		event_print_mask |= mask;
551 	else
552 		event_print_mask &= ~mask;
553 	return 0;
554 }
555 
556 void
557 launch_args_parse(int argc, char** argv)
558 {
559 	int n, opt;
560 	char **argvopt;
561 	int opt_idx;
562 	portid_t pid;
563 	enum { TX, RX };
564 	/* Default offloads for all ports. */
565 	uint64_t rx_offloads = rx_mode.offloads;
566 	uint64_t tx_offloads = tx_mode.offloads;
567 	struct rte_eth_dev_info dev_info;
568 	uint16_t rec_nb_pkts;
569 
570 	static struct option lgopts[] = {
571 		{ "help",			0, 0, 0 },
572 #ifdef RTE_LIBRTE_CMDLINE
573 		{ "interactive",		0, 0, 0 },
574 		{ "cmdline-file",		1, 0, 0 },
575 		{ "auto-start",			0, 0, 0 },
576 		{ "eth-peers-configfile",	1, 0, 0 },
577 		{ "eth-peer",			1, 0, 0 },
578 #endif
579 		{ "tx-first",			0, 0, 0 },
580 		{ "stats-period",		1, 0, 0 },
581 		{ "ports",			1, 0, 0 },
582 		{ "nb-cores",			1, 0, 0 },
583 		{ "nb-ports",			1, 0, 0 },
584 		{ "coremask",			1, 0, 0 },
585 		{ "portmask",			1, 0, 0 },
586 		{ "numa",			0, 0, 0 },
587 		{ "no-numa",			0, 0, 0 },
588 		{ "mp-anon",			0, 0, 0 },
589 		{ "port-numa-config",           1, 0, 0 },
590 		{ "ring-numa-config",           1, 0, 0 },
591 		{ "socket-num",			1, 0, 0 },
592 		{ "mbuf-size",			1, 0, 0 },
593 		{ "total-num-mbufs",		1, 0, 0 },
594 		{ "max-pkt-len",		1, 0, 0 },
595 		{ "pkt-filter-mode",            1, 0, 0 },
596 		{ "pkt-filter-report-hash",     1, 0, 0 },
597 		{ "pkt-filter-size",            1, 0, 0 },
598 		{ "pkt-filter-drop-queue",      1, 0, 0 },
599 #ifdef RTE_LIBRTE_LATENCY_STATS
600 		{ "latencystats",               1, 0, 0 },
601 #endif
602 #ifdef RTE_LIBRTE_BITRATE
603 		{ "bitrate-stats",              1, 0, 0 },
604 #endif
605 		{ "disable-crc-strip",          0, 0, 0 },
606 		{ "enable-lro",                 0, 0, 0 },
607 		{ "enable-rx-cksum",            0, 0, 0 },
608 		{ "enable-rx-timestamp",        0, 0, 0 },
609 		{ "enable-scatter",             0, 0, 0 },
610 		{ "enable-hw-vlan",             0, 0, 0 },
611 		{ "enable-hw-vlan-filter",      0, 0, 0 },
612 		{ "enable-hw-vlan-strip",       0, 0, 0 },
613 		{ "enable-hw-vlan-extend",      0, 0, 0 },
614 		{ "enable-drop-en",            0, 0, 0 },
615 		{ "disable-rss",                0, 0, 0 },
616 		{ "port-topology",              1, 0, 0 },
617 		{ "forward-mode",               1, 0, 0 },
618 		{ "rss-ip",			0, 0, 0 },
619 		{ "rss-udp",			0, 0, 0 },
620 		{ "rxq",			1, 0, 0 },
621 		{ "txq",			1, 0, 0 },
622 		{ "rxd",			1, 0, 0 },
623 		{ "txd",			1, 0, 0 },
624 		{ "burst",			1, 0, 0 },
625 		{ "mbcache",			1, 0, 0 },
626 		{ "txpt",			1, 0, 0 },
627 		{ "txht",			1, 0, 0 },
628 		{ "txwt",			1, 0, 0 },
629 		{ "txfreet",			1, 0, 0 },
630 		{ "txrst",			1, 0, 0 },
631 		{ "rxpt",			1, 0, 0 },
632 		{ "rxht",			1, 0, 0 },
633 		{ "rxwt",			1, 0, 0 },
634 		{ "rxfreet",                    1, 0, 0 },
635 		{ "tx-queue-stats-mapping",	1, 0, 0 },
636 		{ "rx-queue-stats-mapping",	1, 0, 0 },
637 		{ "no-flush-rx",	0, 0, 0 },
638 		{ "flow-isolate-all",	        0, 0, 0 },
639 		{ "txpkts",			1, 0, 0 },
640 		{ "txonly-multi-flow",		0, 0, 0 },
641 		{ "disable-link-check",		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 				uint8_t c, peer_addr[6];
731 
732 				errno = 0;
733 				n = strtoul(optarg, &port_end, 10);
734 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
735 					rte_exit(EXIT_FAILURE,
736 						 "Invalid eth-peer: %s", optarg);
737 				if (n >= RTE_MAX_ETHPORTS)
738 					rte_exit(EXIT_FAILURE,
739 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
740 						 n, RTE_MAX_ETHPORTS);
741 
742 				if (cmdline_parse_etheraddr(NULL, port_end,
743 						&peer_addr, sizeof(peer_addr)) < 0)
744 					rte_exit(EXIT_FAILURE,
745 						 "Invalid ethernet address: %s\n",
746 						 port_end);
747 				for (c = 0; c < 6; c++)
748 					peer_eth_addrs[n].addr_bytes[c] =
749 						peer_addr[c];
750 				nb_peer_eth_addrs++;
751 			}
752 #endif
753 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
754 				struct in_addr in;
755 				char *end;
756 
757 				end = strchr(optarg, ',');
758 				if (end == optarg || !end)
759 					rte_exit(EXIT_FAILURE,
760 						 "Invalid tx-ip: %s", optarg);
761 
762 				*end++ = 0;
763 				if (inet_aton(optarg, &in) == 0)
764 					rte_exit(EXIT_FAILURE,
765 						 "Invalid source IP address: %s\n",
766 						 optarg);
767 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
768 
769 				if (inet_aton(end, &in) == 0)
770 					rte_exit(EXIT_FAILURE,
771 						 "Invalid destination IP address: %s\n",
772 						 optarg);
773 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
774 			}
775 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
776 				char *end = NULL;
777 
778 				errno = 0;
779 				n = strtoul(optarg, &end, 10);
780 				if (errno != 0 || end == optarg ||
781 				    n > UINT16_MAX ||
782 				    !(*end == '\0' || *end == ','))
783 					rte_exit(EXIT_FAILURE,
784 						 "Invalid UDP port: %s\n",
785 						 optarg);
786 				tx_udp_src_port = n;
787 				if (*end == ',') {
788 					char *dst = end + 1;
789 
790 					n = strtoul(dst, &end, 10);
791 					if (errno != 0 || end == dst ||
792 					    n > UINT16_MAX || *end)
793 						rte_exit(EXIT_FAILURE,
794 							 "Invalid destination UDP port: %s\n",
795 							 dst);
796 					tx_udp_dst_port = n;
797 				} else {
798 					tx_udp_dst_port = n;
799 				}
800 
801 			}
802 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
803 				n = atoi(optarg);
804 				if (n > 0 && n <= nb_ports)
805 					nb_fwd_ports = n;
806 				else
807 					rte_exit(EXIT_FAILURE,
808 						 "Invalid port %d\n", n);
809 			}
810 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
811 				n = atoi(optarg);
812 				if (n > 0 && n <= nb_lcores)
813 					nb_fwd_lcores = (uint8_t) n;
814 				else
815 					rte_exit(EXIT_FAILURE,
816 						 "nb-cores should be > 0 and <= %d\n",
817 						 nb_lcores);
818 			}
819 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
820 				parse_fwd_coremask(optarg);
821 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
822 				parse_fwd_portmask(optarg);
823 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
824 				numa_support = 0;
825 			if (!strcmp(lgopts[opt_idx].name, "numa"))
826 				numa_support = 1;
827 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
828 				mp_alloc_type = MP_ALLOC_ANON;
829 			}
830 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
831 				if (!strcmp(optarg, "native"))
832 					mp_alloc_type = MP_ALLOC_NATIVE;
833 				else if (!strcmp(optarg, "anon"))
834 					mp_alloc_type = MP_ALLOC_ANON;
835 				else if (!strcmp(optarg, "xmem"))
836 					mp_alloc_type = MP_ALLOC_XMEM;
837 				else if (!strcmp(optarg, "xmemhuge"))
838 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
839 				else
840 					rte_exit(EXIT_FAILURE,
841 						"mp-alloc %s invalid - must be: "
842 						"native, anon, xmem or xmemhuge\n",
843 						 optarg);
844 			}
845 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
846 				if (parse_portnuma_config(optarg))
847 					rte_exit(EXIT_FAILURE,
848 					   "invalid port-numa configuration\n");
849 			}
850 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
851 				if (parse_ringnuma_config(optarg))
852 					rte_exit(EXIT_FAILURE,
853 					   "invalid ring-numa configuration\n");
854 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
855 				n = atoi(optarg);
856 				if (!new_socket_id((uint8_t)n)) {
857 					socket_num = (uint8_t)n;
858 				} else {
859 					print_invalid_socket_id_error();
860 					rte_exit(EXIT_FAILURE,
861 						"Invalid socket id");
862 				}
863 			}
864 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
865 				n = atoi(optarg);
866 				if (n > 0 && n <= 0xFFFF)
867 					mbuf_data_size = (uint16_t) n;
868 				else
869 					rte_exit(EXIT_FAILURE,
870 						 "mbuf-size should be > 0 and < 65536\n");
871 			}
872 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
873 				n = atoi(optarg);
874 				if (n > 1024)
875 					param_total_num_mbufs = (unsigned)n;
876 				else
877 					rte_exit(EXIT_FAILURE,
878 						 "total-num-mbufs should be > 1024\n");
879 			}
880 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
881 				n = atoi(optarg);
882 				if (n >= RTE_ETHER_MIN_LEN) {
883 					rx_mode.max_rx_pkt_len = (uint32_t) n;
884 					if (n > RTE_ETHER_MAX_LEN)
885 						rx_offloads |=
886 							DEV_RX_OFFLOAD_JUMBO_FRAME;
887 				} else
888 					rte_exit(EXIT_FAILURE,
889 						 "Invalid max-pkt-len=%d - should be > %d\n",
890 						 n, RTE_ETHER_MIN_LEN);
891 			}
892 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
893 				if (!strcmp(optarg, "signature"))
894 					fdir_conf.mode =
895 						RTE_FDIR_MODE_SIGNATURE;
896 				else if (!strcmp(optarg, "perfect"))
897 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
898 				else if (!strcmp(optarg, "perfect-mac-vlan"))
899 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
900 				else if (!strcmp(optarg, "perfect-tunnel"))
901 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
902 				else if (!strcmp(optarg, "none"))
903 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
904 				else
905 					rte_exit(EXIT_FAILURE,
906 						 "pkt-mode-invalid %s invalid - must be: "
907 						 "none, signature, perfect, perfect-mac-vlan"
908 						 " or perfect-tunnel\n",
909 						 optarg);
910 			}
911 			if (!strcmp(lgopts[opt_idx].name,
912 				    "pkt-filter-report-hash")) {
913 				if (!strcmp(optarg, "none"))
914 					fdir_conf.status =
915 						RTE_FDIR_NO_REPORT_STATUS;
916 				else if (!strcmp(optarg, "match"))
917 					fdir_conf.status =
918 						RTE_FDIR_REPORT_STATUS;
919 				else if (!strcmp(optarg, "always"))
920 					fdir_conf.status =
921 						RTE_FDIR_REPORT_STATUS_ALWAYS;
922 				else
923 					rte_exit(EXIT_FAILURE,
924 						 "pkt-filter-report-hash %s invalid "
925 						 "- must be: none or match or always\n",
926 						 optarg);
927 			}
928 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
929 				if (!strcmp(optarg, "64K"))
930 					fdir_conf.pballoc =
931 						RTE_FDIR_PBALLOC_64K;
932 				else if (!strcmp(optarg, "128K"))
933 					fdir_conf.pballoc =
934 						RTE_FDIR_PBALLOC_128K;
935 				else if (!strcmp(optarg, "256K"))
936 					fdir_conf.pballoc =
937 						RTE_FDIR_PBALLOC_256K;
938 				else
939 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
940 						 " must be: 64K or 128K or 256K\n",
941 						 optarg);
942 			}
943 			if (!strcmp(lgopts[opt_idx].name,
944 				    "pkt-filter-drop-queue")) {
945 				n = atoi(optarg);
946 				if (n >= 0)
947 					fdir_conf.drop_queue = (uint8_t) n;
948 				else
949 					rte_exit(EXIT_FAILURE,
950 						 "drop queue %d invalid - must"
951 						 "be >= 0 \n", n);
952 			}
953 #ifdef RTE_LIBRTE_LATENCY_STATS
954 			if (!strcmp(lgopts[opt_idx].name,
955 				    "latencystats")) {
956 				n = atoi(optarg);
957 				if (n >= 0) {
958 					latencystats_lcore_id = (lcoreid_t) n;
959 					latencystats_enabled = 1;
960 				} else
961 					rte_exit(EXIT_FAILURE,
962 						 "invalid lcore id %d for latencystats"
963 						 " must be >= 0\n", n);
964 			}
965 #endif
966 #ifdef RTE_LIBRTE_BITRATE
967 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
968 				n = atoi(optarg);
969 				if (n >= 0) {
970 					bitrate_lcore_id = (lcoreid_t) n;
971 					bitrate_enabled = 1;
972 				} else
973 					rte_exit(EXIT_FAILURE,
974 						 "invalid lcore id %d for bitrate stats"
975 						 " must be >= 0\n", n);
976 			}
977 #endif
978 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
979 				rx_offloads |= DEV_RX_OFFLOAD_KEEP_CRC;
980 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
981 				rx_offloads |= DEV_RX_OFFLOAD_TCP_LRO;
982 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
983 				rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
984 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
985 				rx_offloads |= DEV_RX_OFFLOAD_CHECKSUM;
986 			if (!strcmp(lgopts[opt_idx].name,
987 					"enable-rx-timestamp"))
988 				rx_offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
989 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
990 				rx_offloads |= DEV_RX_OFFLOAD_VLAN;
991 
992 			if (!strcmp(lgopts[opt_idx].name,
993 					"enable-hw-vlan-filter"))
994 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
995 
996 			if (!strcmp(lgopts[opt_idx].name,
997 					"enable-hw-vlan-strip"))
998 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
999 
1000 			if (!strcmp(lgopts[opt_idx].name,
1001 					"enable-hw-vlan-extend"))
1002 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
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 					rte_eth_dev_info_get(0, &dev_info);
1061 					rec_nb_pkts = dev_info
1062 						.default_rxportconf.burst_size;
1063 
1064 					if (rec_nb_pkts == 0)
1065 						rte_exit(EXIT_FAILURE,
1066 							"PMD does not recommend a burst size. "
1067 							"Provided value must be between "
1068 							"1 and %d\n", MAX_PKT_BURST);
1069 					else if (rec_nb_pkts > MAX_PKT_BURST)
1070 						rte_exit(EXIT_FAILURE,
1071 							"PMD recommended burst size of %d"
1072 							" exceeds maximum value of %d\n",
1073 							rec_nb_pkts, MAX_PKT_BURST);
1074 					printf("Using PMD-provided burst value of %d\n",
1075 						rec_nb_pkts);
1076 					nb_pkt_per_burst = rec_nb_pkts;
1077 				} else if (n > MAX_PKT_BURST)
1078 					rte_exit(EXIT_FAILURE,
1079 						"burst must be between1 and %d\n",
1080 						MAX_PKT_BURST);
1081 				else
1082 					nb_pkt_per_burst = (uint16_t) n;
1083 			}
1084 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1085 				n = atoi(optarg);
1086 				if ((n >= 0) &&
1087 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1088 					mb_mempool_cache = (uint16_t) n;
1089 				else
1090 					rte_exit(EXIT_FAILURE,
1091 						 "mbcache must be >= 0 and <= %d\n",
1092 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1093 			}
1094 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1095 				n = atoi(optarg);
1096 				if (n >= 0)
1097 					tx_free_thresh = (int16_t)n;
1098 				else
1099 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1100 			}
1101 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1102 				n = atoi(optarg);
1103 				if (n >= 0)
1104 					tx_rs_thresh = (int16_t)n;
1105 				else
1106 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1107 			}
1108 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1109 				n = atoi(optarg);
1110 				if (n > 0) {
1111 					if (rx_free_thresh >= n)
1112 						rte_exit(EXIT_FAILURE,
1113 							 "rxd must be > "
1114 							 "rx_free_thresh(%d)\n",
1115 							 (int)rx_free_thresh);
1116 					else
1117 						nb_rxd = (uint16_t) n;
1118 				} else
1119 					rte_exit(EXIT_FAILURE,
1120 						 "rxd(%d) invalid - must be > 0\n",
1121 						 n);
1122 			}
1123 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1124 				n = atoi(optarg);
1125 				if (n > 0)
1126 					nb_txd = (uint16_t) n;
1127 				else
1128 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1129 			}
1130 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1131 				n = atoi(optarg);
1132 				if (n >= 0)
1133 					tx_pthresh = (int8_t)n;
1134 				else
1135 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1136 			}
1137 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1138 				n = atoi(optarg);
1139 				if (n >= 0)
1140 					tx_hthresh = (int8_t)n;
1141 				else
1142 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1143 			}
1144 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1145 				n = atoi(optarg);
1146 				if (n >= 0)
1147 					tx_wthresh = (int8_t)n;
1148 				else
1149 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1150 			}
1151 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1152 				n = atoi(optarg);
1153 				if (n >= 0)
1154 					rx_pthresh = (int8_t)n;
1155 				else
1156 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1157 			}
1158 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1159 				n = atoi(optarg);
1160 				if (n >= 0)
1161 					rx_hthresh = (int8_t)n;
1162 				else
1163 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1164 			}
1165 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1166 				n = atoi(optarg);
1167 				if (n >= 0)
1168 					rx_wthresh = (int8_t)n;
1169 				else
1170 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1171 			}
1172 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1173 				n = atoi(optarg);
1174 				if (n >= 0)
1175 					rx_free_thresh = (int16_t)n;
1176 				else
1177 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1178 			}
1179 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1180 				if (parse_queue_stats_mapping_config(optarg, TX)) {
1181 					rte_exit(EXIT_FAILURE,
1182 						 "invalid TX queue statistics mapping config entered\n");
1183 				}
1184 			}
1185 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1186 				if (parse_queue_stats_mapping_config(optarg, RX)) {
1187 					rte_exit(EXIT_FAILURE,
1188 						 "invalid RX queue statistics mapping config entered\n");
1189 				}
1190 			}
1191 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1192 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1193 				unsigned int nb_segs;
1194 
1195 				nb_segs = parse_item_list(optarg, "txpkt segments",
1196 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1197 				if (nb_segs > 0)
1198 					set_tx_pkt_segments(seg_lengths, nb_segs);
1199 				else
1200 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1201 			}
1202 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1203 				txonly_multi_flow = 1;
1204 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1205 				no_flush_rx = 1;
1206 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1207 				no_link_check = 1;
1208 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1209 				lsc_interrupt = 0;
1210 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1211 				rmv_interrupt = 0;
1212 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1213 				flow_isolate_all = 1;
1214 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1215 				char *end = NULL;
1216 				n = strtoull(optarg, &end, 16);
1217 				if (n >= 0)
1218 					tx_offloads = (uint64_t)n;
1219 				else
1220 					rte_exit(EXIT_FAILURE,
1221 						 "tx-offloads must be >= 0\n");
1222 			}
1223 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1224 				n = atoi(optarg);
1225 				if (n >= 0)
1226 					vxlan_gpe_udp_port = (uint16_t)n;
1227 				else
1228 					rte_exit(EXIT_FAILURE,
1229 						 "vxlan-gpe-port must be >= 0\n");
1230 			}
1231 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1232 				if (parse_event_printing_config(optarg, 1)) {
1233 					rte_exit(EXIT_FAILURE,
1234 						 "invalid print-event argument\n");
1235 				}
1236 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1237 				if (parse_event_printing_config(optarg, 0)) {
1238 					rte_exit(EXIT_FAILURE,
1239 						 "invalid mask-event argument\n");
1240 				}
1241 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1242 				hot_plug = 1;
1243 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1244 				do_mlockall = 1;
1245 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1246 				do_mlockall = 0;
1247 			if (!strcmp(lgopts[opt_idx].name,
1248 				    "noisy-tx-sw-buffer-size")) {
1249 				n = atoi(optarg);
1250 				if (n >= 0)
1251 					noisy_tx_sw_bufsz = n;
1252 				else
1253 					rte_exit(EXIT_FAILURE,
1254 						"noisy-tx-sw-buffer-size must be >= 0\n");
1255 			}
1256 			if (!strcmp(lgopts[opt_idx].name,
1257 				    "noisy-tx-sw-buffer-flushtime")) {
1258 				n = atoi(optarg);
1259 				if (n >= 0)
1260 					noisy_tx_sw_buf_flush_time = n;
1261 				else
1262 					rte_exit(EXIT_FAILURE,
1263 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1264 			}
1265 			if (!strcmp(lgopts[opt_idx].name,
1266 				    "noisy-lkup-memory")) {
1267 				n = atoi(optarg);
1268 				if (n >= 0)
1269 					noisy_lkup_mem_sz = n;
1270 				else
1271 					rte_exit(EXIT_FAILURE,
1272 						 "noisy-lkup-memory must be >= 0\n");
1273 			}
1274 			if (!strcmp(lgopts[opt_idx].name,
1275 				    "noisy-lkup-num-writes")) {
1276 				n = atoi(optarg);
1277 				if (n >= 0)
1278 					noisy_lkup_num_writes = n;
1279 				else
1280 					rte_exit(EXIT_FAILURE,
1281 						 "noisy-lkup-num-writes must be >= 0\n");
1282 			}
1283 			if (!strcmp(lgopts[opt_idx].name,
1284 				    "noisy-lkup-num-reads")) {
1285 				n = atoi(optarg);
1286 				if (n >= 0)
1287 					noisy_lkup_num_reads = n;
1288 				else
1289 					rte_exit(EXIT_FAILURE,
1290 						 "noisy-lkup-num-reads must be >= 0\n");
1291 			}
1292 			if (!strcmp(lgopts[opt_idx].name,
1293 				    "noisy-lkup-num-reads-writes")) {
1294 				n = atoi(optarg);
1295 				if (n >= 0)
1296 					noisy_lkup_num_reads_writes = n;
1297 				else
1298 					rte_exit(EXIT_FAILURE,
1299 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1300 			}
1301 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1302 				mempool_flags = MEMPOOL_F_NO_IOVA_CONTIG;
1303 			break;
1304 		case 'h':
1305 			usage(argv[0]);
1306 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
1307 			break;
1308 		default:
1309 			usage(argv[0]);
1310 			rte_exit(EXIT_FAILURE,
1311 				 "Command line is incomplete or incorrect\n");
1312 			break;
1313 		}
1314 	}
1315 
1316 	/* Set offload configuration from command line parameters. */
1317 	rx_mode.offloads = rx_offloads;
1318 	tx_mode.offloads = tx_offloads;
1319 
1320 	if (mempool_flags & MEMPOOL_F_NO_IOVA_CONTIG &&
1321 	    mp_alloc_type != MP_ALLOC_ANON) {
1322 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1323 				  "mp-alloc=anon. mempool no-iova-contig is "
1324 				  "ignored\n");
1325 		mempool_flags = 0;
1326 	}
1327 }
1328