xref: /dpdk/app/test-pmd/parameters.c (revision 1edccebcccdbe600dc0a3a418fae68336648a87e)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4 
5 #include <errno.h>
6 #include <getopt.h>
7 #include <stdarg.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <signal.h>
11 #include <string.h>
12 #include <time.h>
13 #include <fcntl.h>
14 #include <sys/types.h>
15 
16 #include <sys/queue.h>
17 #include <sys/stat.h>
18 
19 #include <stdint.h>
20 #include <unistd.h>
21 #include <inttypes.h>
22 
23 #include <rte_common.h>
24 #include <rte_byteorder.h>
25 #include <rte_log.h>
26 #include <rte_debug.h>
27 #include <rte_cycles.h>
28 #include <rte_memory.h>
29 #include <rte_launch.h>
30 #include <rte_eal.h>
31 #include <rte_per_lcore.h>
32 #include <rte_lcore.h>
33 #include <rte_atomic.h>
34 #include <rte_branch_prediction.h>
35 #include <rte_mempool.h>
36 #include <rte_interrupts.h>
37 #include <rte_pci.h>
38 #include <rte_ether.h>
39 #include <rte_ethdev.h>
40 #include <rte_string_fns.h>
41 #ifdef RTE_LIBRTE_CMDLINE
42 #include <cmdline_parse.h>
43 #include <cmdline_parse_etheraddr.h>
44 #endif
45 #ifdef RTE_LIBRTE_PMD_BOND
46 #include <rte_eth_bond.h>
47 #endif
48 #include <rte_flow.h>
49 
50 #include "testpmd.h"
51 
52 static void
53 usage(char* progname)
54 {
55 	printf("usage: %s "
56 #ifdef RTE_LIBRTE_CMDLINE
57 	       "[--interactive|-i] "
58 	       "[--cmdline-file=FILENAME] "
59 #endif
60 	       "[--help|-h] | [--auto-start|-a] | ["
61 	       "--tx-first | --stats-period=PERIOD | "
62 	       "--coremask=COREMASK --portmask=PORTMASK --numa "
63 	       "--mbuf-size= | --total-num-mbufs= | "
64 	       "--nb-cores= | --nb-ports= | "
65 #ifdef RTE_LIBRTE_CMDLINE
66 	       "--eth-peers-configfile= | "
67 	       "--eth-peer=X,M:M:M:M:M:M | "
68 #endif
69 	       "--pkt-filter-mode= |"
70 	       "--rss-ip | --rss-udp | "
71 	       "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
72 	       "--txpt= | --txht= | --txwt= | --txfreet= | "
73 	       "--txrst= | --tx-offloads= | --vxlan-gpe-port= ]\n",
74 	       progname);
75 #ifdef RTE_LIBRTE_CMDLINE
76 	printf("  --interactive: run in interactive mode.\n");
77 	printf("  --cmdline-file: execute cli commands before startup.\n");
78 #endif
79 	printf("  --auto-start: start forwarding on init "
80 	       "[always when non-interactive].\n");
81 	printf("  --help: display this message and quit.\n");
82 	printf("  --tx-first: start forwarding sending a burst first "
83 	       "(only if interactive is disabled).\n");
84 	printf("  --stats-period=PERIOD: statistics will be shown "
85 	       "every PERIOD seconds (only if interactive is disabled).\n");
86 	printf("  --nb-cores=N: set the number of forwarding cores "
87 	       "(1 <= N <= %d).\n", nb_lcores);
88 	printf("  --nb-ports=N: set the number of forwarding ports "
89 	       "(1 <= N <= %d).\n", nb_ports);
90 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
91 	       "the packet forwarding test. The master lcore is reserved for "
92 	       "command line parsing only, and cannot be masked on for "
93 	       "packet forwarding.\n");
94 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
95 	       "by the packet forwarding test.\n");
96 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
97 	       "RX memory buffers (mbufs).\n");
98 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
99 	       "specify the socket on which the memory pool "
100 	       "used by the port will be allocated.\n");
101 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
102 	       "specify the socket on which the TX/RX rings for "
103 	       "the port will be allocated "
104 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
105 	printf("  --socket-num=N: set socket from which all memory is allocated "
106 	       "in NUMA mode.\n");
107 	printf("  --mbuf-size=N: set the data size of mbuf to N bytes.\n");
108 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
109 	       "in mbuf pools.\n");
110 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
111 #ifdef RTE_LIBRTE_CMDLINE
112 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
113 	       "of peer ports.\n");
114 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
115 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
116 #endif
117 	printf("  --pkt-filter-mode=N: set Flow Director mode "
118 	       "(N: none (default mode) or signature or perfect).\n");
119 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
120 	       "(N: none  or match (default) or always).\n");
121 	printf("  --pkt-filter-size=N: set Flow Director mode "
122 	       "(N: 64K (default mode) or 128K or 256K).\n");
123 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
124 	       "In perfect mode, when you add a rule with queue = -1 "
125 	       "the packet will be enqueued into the rx drop-queue. "
126 	       "If the drop-queue doesn't exist, the packet is dropped. "
127 	       "By default drop-queue=127.\n");
128 #ifdef RTE_LIBRTE_LATENCY_STATS
129 	printf("  --latencystats=N: enable latency and jitter statistcs "
130 	       "monitoring on forwarding lcore id N.\n");
131 #endif
132 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
133 	printf("  --enable-lro: enable large receive offload.\n");
134 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
135 	printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
136 	printf("  --enable-hw-vlan: enable hardware vlan.\n");
137 	printf("  --enable-hw-vlan-filter: enable hardware vlan filter.\n");
138 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
139 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
140 	printf("  --enable-drop-en: enable per queue packet drop.\n");
141 	printf("  --disable-rss: disable rss.\n");
142 	printf("  --port-topology=N: set port topology (N: paired (default) or "
143 	       "chained).\n");
144 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
145 	       list_pkt_forwarding_modes());
146 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
147 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
148 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
149 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
150 	printf("  --txq=N: set the number of TX queues per port to N.\n");
151 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
152 	printf("  --burst=N: set the number of packets per burst to N.\n");
153 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
154 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
155 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
156 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
157 	       "(0 <= N < value of rxd).\n");
158 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
159 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
160 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
161 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
162 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
163 	       "(0 <= N <= value of txd).\n");
164 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
165 	       "(0 <= N <= value of txd).\n");
166 	printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
167 	       "tx queues statistics counters mapping "
168 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
169 	printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
170 	       "rx queues statistics counters mapping "
171 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
172 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
173 	       " Used mainly with PCAP drivers.\n");
174 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
175 		" or total packet length.\n");
176 	printf("  --disable-link-check: disable check on link status when "
177 	       "starting/stopping ports.\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 }
205 
206 #ifdef RTE_LIBRTE_CMDLINE
207 static int
208 init_peer_eth_addrs(char *config_filename)
209 {
210 	FILE *config_file;
211 	portid_t i;
212 	char buf[50];
213 
214 	config_file = fopen(config_filename, "r");
215 	if (config_file == NULL) {
216 		perror("Failed to open eth config file\n");
217 		return -1;
218 	}
219 
220 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
221 
222 		if (fgets(buf, sizeof(buf), config_file) == NULL)
223 			break;
224 
225 		if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i],
226 				sizeof(peer_eth_addrs[i])) < 0) {
227 			printf("Bad MAC address format on line %d\n", i+1);
228 			fclose(config_file);
229 			return -1;
230 		}
231 	}
232 	fclose(config_file);
233 	nb_peer_eth_addrs = (portid_t) i;
234 	return 0;
235 }
236 #endif
237 
238 /*
239  * Parse the coremask given as argument (hexadecimal string) and set
240  * the global configuration of forwarding cores.
241  */
242 static void
243 parse_fwd_coremask(const char *coremask)
244 {
245 	char *end;
246 	unsigned long long int cm;
247 
248 	/* parse hexadecimal string */
249 	end = NULL;
250 	cm = strtoull(coremask, &end, 16);
251 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
252 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
253 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
254 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
255 }
256 
257 /*
258  * Parse the coremask given as argument (hexadecimal string) and set
259  * the global configuration of forwarding cores.
260  */
261 static void
262 parse_fwd_portmask(const char *portmask)
263 {
264 	char *end;
265 	unsigned long long int pm;
266 
267 	/* parse hexadecimal string */
268 	end = NULL;
269 	pm = strtoull(portmask, &end, 16);
270 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
271 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
272 	else
273 		set_fwd_ports_mask((uint64_t) pm);
274 }
275 
276 
277 static int
278 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
279 {
280 	char s[256];
281 	const char *p, *p0 = q_arg;
282 	char *end;
283 	enum fieldnames {
284 		FLD_PORT = 0,
285 		FLD_QUEUE,
286 		FLD_STATS_COUNTER,
287 		_NUM_FLD
288 	};
289 	unsigned long int_fld[_NUM_FLD];
290 	char *str_fld[_NUM_FLD];
291 	int i;
292 	unsigned size;
293 
294 	/* reset from value set at definition */
295 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
296 
297 	while ((p = strchr(p0,'(')) != NULL) {
298 		++p;
299 		if((p0 = strchr(p,')')) == NULL)
300 			return -1;
301 
302 		size = p0 - p;
303 		if(size >= sizeof(s))
304 			return -1;
305 
306 		snprintf(s, sizeof(s), "%.*s", size, p);
307 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
308 			return -1;
309 		for (i = 0; i < _NUM_FLD; i++){
310 			errno = 0;
311 			int_fld[i] = strtoul(str_fld[i], &end, 0);
312 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
313 				return -1;
314 		}
315 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
316 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
317 			printf("Stats counter not in the correct range 0..%d\n",
318 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
319 			return -1;
320 		}
321 
322 		if (!is_rx) {
323 			if ((nb_tx_queue_stats_mappings >=
324 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
325 				printf("exceeded max number of TX queue "
326 						"statistics mappings: %hu\n",
327 						nb_tx_queue_stats_mappings);
328 				return -1;
329 			}
330 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
331 				(uint8_t)int_fld[FLD_PORT];
332 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
333 				(uint8_t)int_fld[FLD_QUEUE];
334 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
335 				(uint8_t)int_fld[FLD_STATS_COUNTER];
336 			++nb_tx_queue_stats_mappings;
337 		}
338 		else {
339 			if ((nb_rx_queue_stats_mappings >=
340 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
341 				printf("exceeded max number of RX queue "
342 						"statistics mappings: %hu\n",
343 						nb_rx_queue_stats_mappings);
344 				return -1;
345 			}
346 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
347 				(uint8_t)int_fld[FLD_PORT];
348 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
349 				(uint8_t)int_fld[FLD_QUEUE];
350 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
351 				(uint8_t)int_fld[FLD_STATS_COUNTER];
352 			++nb_rx_queue_stats_mappings;
353 		}
354 
355 	}
356 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
357 /* than to the default array (that was set at its definition) */
358 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
359 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
360 	return 0;
361 }
362 
363 static void
364 print_invalid_socket_id_error(void)
365 {
366 	unsigned int i = 0;
367 
368 	printf("Invalid socket id, options are: ");
369 	for (i = 0; i < num_sockets; i++) {
370 		printf("%u%s", socket_ids[i],
371 		      (i == num_sockets - 1) ? "\n" : ",");
372 	}
373 }
374 
375 static int
376 parse_portnuma_config(const char *q_arg)
377 {
378 	char s[256];
379 	const char *p, *p0 = q_arg;
380 	char *end;
381 	uint8_t i, socket_id;
382 	portid_t port_id;
383 	unsigned size;
384 	enum fieldnames {
385 		FLD_PORT = 0,
386 		FLD_SOCKET,
387 		_NUM_FLD
388 	};
389 	unsigned long int_fld[_NUM_FLD];
390 	char *str_fld[_NUM_FLD];
391 
392 	/* reset from value set at definition */
393 	while ((p = strchr(p0,'(')) != NULL) {
394 		++p;
395 		if((p0 = strchr(p,')')) == NULL)
396 			return -1;
397 
398 		size = p0 - p;
399 		if(size >= sizeof(s))
400 			return -1;
401 
402 		snprintf(s, sizeof(s), "%.*s", size, p);
403 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
404 			return -1;
405 		for (i = 0; i < _NUM_FLD; i++) {
406 			errno = 0;
407 			int_fld[i] = strtoul(str_fld[i], &end, 0);
408 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
409 				return -1;
410 		}
411 		port_id = (portid_t)int_fld[FLD_PORT];
412 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
413 			port_id == (portid_t)RTE_PORT_ALL) {
414 			print_valid_ports();
415 			return -1;
416 		}
417 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
418 		if (new_socket_id(socket_id)) {
419 			print_invalid_socket_id_error();
420 			return -1;
421 		}
422 		port_numa[port_id] = socket_id;
423 	}
424 
425 	return 0;
426 }
427 
428 static int
429 parse_ringnuma_config(const char *q_arg)
430 {
431 	char s[256];
432 	const char *p, *p0 = q_arg;
433 	char *end;
434 	uint8_t i, ring_flag, socket_id;
435 	portid_t port_id;
436 	unsigned size;
437 	enum fieldnames {
438 		FLD_PORT = 0,
439 		FLD_FLAG,
440 		FLD_SOCKET,
441 		_NUM_FLD
442 	};
443 	unsigned long int_fld[_NUM_FLD];
444 	char *str_fld[_NUM_FLD];
445 	#define RX_RING_ONLY 0x1
446 	#define TX_RING_ONLY 0x2
447 	#define RXTX_RING    0x3
448 
449 	/* reset from value set at definition */
450 	while ((p = strchr(p0,'(')) != NULL) {
451 		++p;
452 		if((p0 = strchr(p,')')) == NULL)
453 			return -1;
454 
455 		size = p0 - p;
456 		if(size >= sizeof(s))
457 			return -1;
458 
459 		snprintf(s, sizeof(s), "%.*s", size, p);
460 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
461 			return -1;
462 		for (i = 0; i < _NUM_FLD; i++) {
463 			errno = 0;
464 			int_fld[i] = strtoul(str_fld[i], &end, 0);
465 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
466 				return -1;
467 		}
468 		port_id = (portid_t)int_fld[FLD_PORT];
469 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
470 			port_id == (portid_t)RTE_PORT_ALL) {
471 			print_valid_ports();
472 			return -1;
473 		}
474 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
475 		if (new_socket_id(socket_id)) {
476 			print_invalid_socket_id_error();
477 			return -1;
478 		}
479 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
480 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
481 			printf("Invalid ring-flag=%d config for port =%d\n",
482 				ring_flag,port_id);
483 			return -1;
484 		}
485 
486 		switch (ring_flag & RXTX_RING) {
487 		case RX_RING_ONLY:
488 			rxring_numa[port_id] = socket_id;
489 			break;
490 		case TX_RING_ONLY:
491 			txring_numa[port_id] = socket_id;
492 			break;
493 		case RXTX_RING:
494 			rxring_numa[port_id] = socket_id;
495 			txring_numa[port_id] = socket_id;
496 			break;
497 		default:
498 			printf("Invalid ring-flag=%d config for port=%d\n",
499 				ring_flag,port_id);
500 			break;
501 		}
502 	}
503 
504 	return 0;
505 }
506 
507 static int
508 parse_event_printing_config(const char *optarg, int enable)
509 {
510 	uint32_t mask = 0;
511 
512 	if (!strcmp(optarg, "unknown"))
513 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
514 	else if (!strcmp(optarg, "intr_lsc"))
515 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
516 	else if (!strcmp(optarg, "queue_state"))
517 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
518 	else if (!strcmp(optarg, "intr_reset"))
519 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
520 	else if (!strcmp(optarg, "vf_mbox"))
521 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
522 	else if (!strcmp(optarg, "ipsec"))
523 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
524 	else if (!strcmp(optarg, "macsec"))
525 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
526 	else if (!strcmp(optarg, "intr_rmv"))
527 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
528 	else if (!strcmp(optarg, "dev_probed"))
529 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
530 	else if (!strcmp(optarg, "dev_released"))
531 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
532 	else if (!strcmp(optarg, "all"))
533 		mask = ~UINT32_C(0);
534 	else {
535 		fprintf(stderr, "Invalid event: %s\n", optarg);
536 		return -1;
537 	}
538 	if (enable)
539 		event_print_mask |= mask;
540 	else
541 		event_print_mask &= ~mask;
542 	return 0;
543 }
544 
545 void
546 launch_args_parse(int argc, char** argv)
547 {
548 	int n, opt;
549 	char **argvopt;
550 	int opt_idx;
551 	portid_t pid;
552 	enum { TX, RX };
553 	/* Default offloads for all ports. */
554 	uint64_t rx_offloads = rx_mode.offloads;
555 	uint64_t tx_offloads = tx_mode.offloads;
556 	struct rte_eth_dev_info dev_info;
557 	uint16_t rec_nb_pkts;
558 
559 	static struct option lgopts[] = {
560 		{ "help",			0, 0, 0 },
561 #ifdef RTE_LIBRTE_CMDLINE
562 		{ "interactive",		0, 0, 0 },
563 		{ "cmdline-file",		1, 0, 0 },
564 		{ "auto-start",			0, 0, 0 },
565 		{ "eth-peers-configfile",	1, 0, 0 },
566 		{ "eth-peer",			1, 0, 0 },
567 #endif
568 		{ "tx-first",			0, 0, 0 },
569 		{ "stats-period",		1, 0, 0 },
570 		{ "ports",			1, 0, 0 },
571 		{ "nb-cores",			1, 0, 0 },
572 		{ "nb-ports",			1, 0, 0 },
573 		{ "coremask",			1, 0, 0 },
574 		{ "portmask",			1, 0, 0 },
575 		{ "numa",			0, 0, 0 },
576 		{ "no-numa",			0, 0, 0 },
577 		{ "mp-anon",			0, 0, 0 },
578 		{ "port-numa-config",           1, 0, 0 },
579 		{ "ring-numa-config",           1, 0, 0 },
580 		{ "socket-num",			1, 0, 0 },
581 		{ "mbuf-size",			1, 0, 0 },
582 		{ "total-num-mbufs",		1, 0, 0 },
583 		{ "max-pkt-len",		1, 0, 0 },
584 		{ "pkt-filter-mode",            1, 0, 0 },
585 		{ "pkt-filter-report-hash",     1, 0, 0 },
586 		{ "pkt-filter-size",            1, 0, 0 },
587 		{ "pkt-filter-drop-queue",      1, 0, 0 },
588 #ifdef RTE_LIBRTE_LATENCY_STATS
589 		{ "latencystats",               1, 0, 0 },
590 #endif
591 #ifdef RTE_LIBRTE_BITRATE
592 		{ "bitrate-stats",              1, 0, 0 },
593 #endif
594 		{ "disable-crc-strip",          0, 0, 0 },
595 		{ "enable-lro",                 0, 0, 0 },
596 		{ "enable-rx-cksum",            0, 0, 0 },
597 		{ "enable-rx-timestamp",        0, 0, 0 },
598 		{ "enable-scatter",             0, 0, 0 },
599 		{ "enable-hw-vlan",             0, 0, 0 },
600 		{ "enable-hw-vlan-filter",      0, 0, 0 },
601 		{ "enable-hw-vlan-strip",       0, 0, 0 },
602 		{ "enable-hw-vlan-extend",      0, 0, 0 },
603 		{ "enable-drop-en",            0, 0, 0 },
604 		{ "disable-rss",                0, 0, 0 },
605 		{ "port-topology",              1, 0, 0 },
606 		{ "forward-mode",               1, 0, 0 },
607 		{ "rss-ip",			0, 0, 0 },
608 		{ "rss-udp",			0, 0, 0 },
609 		{ "rxq",			1, 0, 0 },
610 		{ "txq",			1, 0, 0 },
611 		{ "rxd",			1, 0, 0 },
612 		{ "txd",			1, 0, 0 },
613 		{ "burst",			1, 0, 0 },
614 		{ "mbcache",			1, 0, 0 },
615 		{ "txpt",			1, 0, 0 },
616 		{ "txht",			1, 0, 0 },
617 		{ "txwt",			1, 0, 0 },
618 		{ "txfreet",			1, 0, 0 },
619 		{ "txrst",			1, 0, 0 },
620 		{ "rxpt",			1, 0, 0 },
621 		{ "rxht",			1, 0, 0 },
622 		{ "rxwt",			1, 0, 0 },
623 		{ "rxfreet",                    1, 0, 0 },
624 		{ "tx-queue-stats-mapping",	1, 0, 0 },
625 		{ "rx-queue-stats-mapping",	1, 0, 0 },
626 		{ "no-flush-rx",	0, 0, 0 },
627 		{ "flow-isolate-all",	        0, 0, 0 },
628 		{ "txpkts",			1, 0, 0 },
629 		{ "disable-link-check",		0, 0, 0 },
630 		{ "no-lsc-interrupt",		0, 0, 0 },
631 		{ "no-rmv-interrupt",		0, 0, 0 },
632 		{ "print-event",		1, 0, 0 },
633 		{ "mask-event",			1, 0, 0 },
634 		{ "tx-offloads",		1, 0, 0 },
635 		{ "hot-plug",			0, 0, 0 },
636 		{ "vxlan-gpe-port",		1, 0, 0 },
637 		{ "mlockall",			0, 0, 0 },
638 		{ "no-mlockall",		0, 0, 0 },
639 		{ "mp-alloc",			1, 0, 0 },
640 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
641 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
642 		{ "noisy-lkup-memory",		1, 0, 0 },
643 		{ "noisy-lkup-num-writes",	1, 0, 0 },
644 		{ "noisy-lkup-num-reads",	1, 0, 0 },
645 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
646 		{ 0, 0, 0, 0 },
647 	};
648 
649 	argvopt = argv;
650 
651 #ifdef RTE_LIBRTE_CMDLINE
652 #define SHORTOPTS "i"
653 #else
654 #define SHORTOPTS ""
655 #endif
656 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
657 				 lgopts, &opt_idx)) != EOF) {
658 		switch (opt) {
659 #ifdef RTE_LIBRTE_CMDLINE
660 		case 'i':
661 			printf("Interactive-mode selected\n");
662 			interactive = 1;
663 			break;
664 #endif
665 		case 'a':
666 			printf("Auto-start selected\n");
667 			auto_start = 1;
668 			break;
669 
670 		case 0: /*long options */
671 			if (!strcmp(lgopts[opt_idx].name, "help")) {
672 				usage(argv[0]);
673 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
674 			}
675 #ifdef RTE_LIBRTE_CMDLINE
676 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
677 				printf("Interactive-mode selected\n");
678 				interactive = 1;
679 			}
680 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
681 				printf("CLI commands to be read from %s\n",
682 				       optarg);
683 				strlcpy(cmdline_filename, optarg,
684 					sizeof(cmdline_filename));
685 			}
686 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
687 				printf("Auto-start selected\n");
688 				auto_start = 1;
689 			}
690 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
691 				printf("Ports to start sending a burst of "
692 						"packets first\n");
693 				tx_first = 1;
694 			}
695 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
696 				char *end = NULL;
697 				unsigned int n;
698 
699 				n = strtoul(optarg, &end, 10);
700 				if ((optarg[0] == '\0') || (end == NULL) ||
701 						(*end != '\0'))
702 					break;
703 
704 				stats_period = n;
705 				break;
706 			}
707 			if (!strcmp(lgopts[opt_idx].name,
708 				    "eth-peers-configfile")) {
709 				if (init_peer_eth_addrs(optarg) != 0)
710 					rte_exit(EXIT_FAILURE,
711 						 "Cannot open logfile\n");
712 			}
713 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
714 				char *port_end;
715 				uint8_t c, peer_addr[6];
716 
717 				errno = 0;
718 				n = strtoul(optarg, &port_end, 10);
719 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
720 					rte_exit(EXIT_FAILURE,
721 						 "Invalid eth-peer: %s", optarg);
722 				if (n >= RTE_MAX_ETHPORTS)
723 					rte_exit(EXIT_FAILURE,
724 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
725 						 n, RTE_MAX_ETHPORTS);
726 
727 				if (cmdline_parse_etheraddr(NULL, port_end,
728 						&peer_addr, sizeof(peer_addr)) < 0)
729 					rte_exit(EXIT_FAILURE,
730 						 "Invalid ethernet address: %s\n",
731 						 port_end);
732 				for (c = 0; c < 6; c++)
733 					peer_eth_addrs[n].addr_bytes[c] =
734 						peer_addr[c];
735 				nb_peer_eth_addrs++;
736 			}
737 #endif
738 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
739 				n = atoi(optarg);
740 				if (n > 0 && n <= nb_ports)
741 					nb_fwd_ports = n;
742 				else
743 					rte_exit(EXIT_FAILURE,
744 						 "Invalid port %d\n", n);
745 			}
746 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
747 				n = atoi(optarg);
748 				if (n > 0 && n <= nb_lcores)
749 					nb_fwd_lcores = (uint8_t) n;
750 				else
751 					rte_exit(EXIT_FAILURE,
752 						 "nb-cores should be > 0 and <= %d\n",
753 						 nb_lcores);
754 			}
755 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
756 				parse_fwd_coremask(optarg);
757 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
758 				parse_fwd_portmask(optarg);
759 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
760 				numa_support = 0;
761 			if (!strcmp(lgopts[opt_idx].name, "numa"))
762 				numa_support = 1;
763 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
764 				mp_alloc_type = MP_ALLOC_ANON;
765 			}
766 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
767 				if (!strcmp(optarg, "native"))
768 					mp_alloc_type = MP_ALLOC_NATIVE;
769 				else if (!strcmp(optarg, "anon"))
770 					mp_alloc_type = MP_ALLOC_ANON;
771 				else if (!strcmp(optarg, "xmem"))
772 					mp_alloc_type = MP_ALLOC_XMEM;
773 				else if (!strcmp(optarg, "xmemhuge"))
774 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
775 				else
776 					rte_exit(EXIT_FAILURE,
777 						"mp-alloc %s invalid - must be: "
778 						"native, anon, xmem or xmemhuge\n",
779 						 optarg);
780 			}
781 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
782 				if (parse_portnuma_config(optarg))
783 					rte_exit(EXIT_FAILURE,
784 					   "invalid port-numa configuration\n");
785 			}
786 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
787 				if (parse_ringnuma_config(optarg))
788 					rte_exit(EXIT_FAILURE,
789 					   "invalid ring-numa configuration\n");
790 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
791 				n = atoi(optarg);
792 				if (!new_socket_id((uint8_t)n)) {
793 					socket_num = (uint8_t)n;
794 				} else {
795 					print_invalid_socket_id_error();
796 					rte_exit(EXIT_FAILURE,
797 						"Invalid socket id");
798 				}
799 			}
800 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
801 				n = atoi(optarg);
802 				if (n > 0 && n <= 0xFFFF)
803 					mbuf_data_size = (uint16_t) n;
804 				else
805 					rte_exit(EXIT_FAILURE,
806 						 "mbuf-size should be > 0 and < 65536\n");
807 			}
808 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
809 				n = atoi(optarg);
810 				if (n > 1024)
811 					param_total_num_mbufs = (unsigned)n;
812 				else
813 					rte_exit(EXIT_FAILURE,
814 						 "total-num-mbufs should be > 1024\n");
815 			}
816 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
817 				n = atoi(optarg);
818 				if (n >= ETHER_MIN_LEN) {
819 					rx_mode.max_rx_pkt_len = (uint32_t) n;
820 					if (n > ETHER_MAX_LEN)
821 						rx_offloads |=
822 							DEV_RX_OFFLOAD_JUMBO_FRAME;
823 				} else
824 					rte_exit(EXIT_FAILURE,
825 						 "Invalid max-pkt-len=%d - should be > %d\n",
826 						 n, ETHER_MIN_LEN);
827 			}
828 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
829 				if (!strcmp(optarg, "signature"))
830 					fdir_conf.mode =
831 						RTE_FDIR_MODE_SIGNATURE;
832 				else if (!strcmp(optarg, "perfect"))
833 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
834 				else if (!strcmp(optarg, "perfect-mac-vlan"))
835 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
836 				else if (!strcmp(optarg, "perfect-tunnel"))
837 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
838 				else if (!strcmp(optarg, "none"))
839 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
840 				else
841 					rte_exit(EXIT_FAILURE,
842 						 "pkt-mode-invalid %s invalid - must be: "
843 						 "none, signature, perfect, perfect-mac-vlan"
844 						 " or perfect-tunnel\n",
845 						 optarg);
846 			}
847 			if (!strcmp(lgopts[opt_idx].name,
848 				    "pkt-filter-report-hash")) {
849 				if (!strcmp(optarg, "none"))
850 					fdir_conf.status =
851 						RTE_FDIR_NO_REPORT_STATUS;
852 				else if (!strcmp(optarg, "match"))
853 					fdir_conf.status =
854 						RTE_FDIR_REPORT_STATUS;
855 				else if (!strcmp(optarg, "always"))
856 					fdir_conf.status =
857 						RTE_FDIR_REPORT_STATUS_ALWAYS;
858 				else
859 					rte_exit(EXIT_FAILURE,
860 						 "pkt-filter-report-hash %s invalid "
861 						 "- must be: none or match or always\n",
862 						 optarg);
863 			}
864 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
865 				if (!strcmp(optarg, "64K"))
866 					fdir_conf.pballoc =
867 						RTE_FDIR_PBALLOC_64K;
868 				else if (!strcmp(optarg, "128K"))
869 					fdir_conf.pballoc =
870 						RTE_FDIR_PBALLOC_128K;
871 				else if (!strcmp(optarg, "256K"))
872 					fdir_conf.pballoc =
873 						RTE_FDIR_PBALLOC_256K;
874 				else
875 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
876 						 " must be: 64K or 128K or 256K\n",
877 						 optarg);
878 			}
879 			if (!strcmp(lgopts[opt_idx].name,
880 				    "pkt-filter-drop-queue")) {
881 				n = atoi(optarg);
882 				if (n >= 0)
883 					fdir_conf.drop_queue = (uint8_t) n;
884 				else
885 					rte_exit(EXIT_FAILURE,
886 						 "drop queue %d invalid - must"
887 						 "be >= 0 \n", n);
888 			}
889 #ifdef RTE_LIBRTE_LATENCY_STATS
890 			if (!strcmp(lgopts[opt_idx].name,
891 				    "latencystats")) {
892 				n = atoi(optarg);
893 				if (n >= 0) {
894 					latencystats_lcore_id = (lcoreid_t) n;
895 					latencystats_enabled = 1;
896 				} else
897 					rte_exit(EXIT_FAILURE,
898 						 "invalid lcore id %d for latencystats"
899 						 " must be >= 0\n", n);
900 			}
901 #endif
902 #ifdef RTE_LIBRTE_BITRATE
903 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
904 				n = atoi(optarg);
905 				if (n >= 0) {
906 					bitrate_lcore_id = (lcoreid_t) n;
907 					bitrate_enabled = 1;
908 				} else
909 					rte_exit(EXIT_FAILURE,
910 						 "invalid lcore id %d for bitrate stats"
911 						 " must be >= 0\n", n);
912 			}
913 #endif
914 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
915 				rx_offloads |= DEV_RX_OFFLOAD_KEEP_CRC;
916 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
917 				rx_offloads |= DEV_RX_OFFLOAD_TCP_LRO;
918 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
919 				rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
920 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
921 				rx_offloads |= DEV_RX_OFFLOAD_CHECKSUM;
922 			if (!strcmp(lgopts[opt_idx].name,
923 					"enable-rx-timestamp"))
924 				rx_offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
925 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
926 				rx_offloads |= DEV_RX_OFFLOAD_VLAN;
927 
928 			if (!strcmp(lgopts[opt_idx].name,
929 					"enable-hw-vlan-filter"))
930 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
931 
932 			if (!strcmp(lgopts[opt_idx].name,
933 					"enable-hw-vlan-strip"))
934 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
935 
936 			if (!strcmp(lgopts[opt_idx].name,
937 					"enable-hw-vlan-extend"))
938 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
939 
940 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
941 				rx_drop_en = 1;
942 
943 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
944 				rss_hf = 0;
945 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
946 				if (!strcmp(optarg, "paired"))
947 					port_topology = PORT_TOPOLOGY_PAIRED;
948 				else if (!strcmp(optarg, "chained"))
949 					port_topology = PORT_TOPOLOGY_CHAINED;
950 				else if (!strcmp(optarg, "loop"))
951 					port_topology = PORT_TOPOLOGY_LOOP;
952 				else
953 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
954 						 " must be: paired, chained or loop\n",
955 						 optarg);
956 			}
957 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
958 				set_pkt_forwarding_mode(optarg);
959 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
960 				rss_hf = ETH_RSS_IP;
961 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
962 				rss_hf = ETH_RSS_UDP;
963 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
964 				n = atoi(optarg);
965 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
966 					nb_rxq = (queueid_t) n;
967 				else
968 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
969 						  " >= 0 && <= %u\n", n,
970 						  get_allowed_max_nb_rxq(&pid));
971 			}
972 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
973 				n = atoi(optarg);
974 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
975 					nb_txq = (queueid_t) n;
976 				else
977 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
978 						  " >= 0 && <= %u\n", n,
979 						  get_allowed_max_nb_txq(&pid));
980 			}
981 			if (!nb_rxq && !nb_txq) {
982 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
983 						"be non-zero\n");
984 			}
985 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
986 				n = atoi(optarg);
987 				if (n == 0) {
988 					/* A burst size of zero means that the
989 					 * PMD should be queried for
990 					 * recommended Rx burst size. Since
991 					 * testpmd uses a single size for all
992 					 * ports, port 0 is queried for the
993 					 * value, on the assumption that all
994 					 * ports are of the same NIC model.
995 					 */
996 					rte_eth_dev_info_get(0, &dev_info);
997 					rec_nb_pkts = dev_info
998 						.default_rxportconf.burst_size;
999 
1000 					if (rec_nb_pkts == 0)
1001 						rte_exit(EXIT_FAILURE,
1002 							"PMD does not recommend a burst size. "
1003 							"Provided value must be between "
1004 							"1 and %d\n", MAX_PKT_BURST);
1005 					else if (rec_nb_pkts > MAX_PKT_BURST)
1006 						rte_exit(EXIT_FAILURE,
1007 							"PMD recommended burst size of %d"
1008 							" exceeds maximum value of %d\n",
1009 							rec_nb_pkts, MAX_PKT_BURST);
1010 					printf("Using PMD-provided burst value of %d\n",
1011 						rec_nb_pkts);
1012 					nb_pkt_per_burst = rec_nb_pkts;
1013 				} else if (n > MAX_PKT_BURST)
1014 					rte_exit(EXIT_FAILURE,
1015 						"burst must be between1 and %d\n",
1016 						MAX_PKT_BURST);
1017 				else
1018 					nb_pkt_per_burst = (uint16_t) n;
1019 			}
1020 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1021 				n = atoi(optarg);
1022 				if ((n >= 0) &&
1023 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1024 					mb_mempool_cache = (uint16_t) n;
1025 				else
1026 					rte_exit(EXIT_FAILURE,
1027 						 "mbcache must be >= 0 and <= %d\n",
1028 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1029 			}
1030 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1031 				n = atoi(optarg);
1032 				if (n >= 0)
1033 					tx_free_thresh = (int16_t)n;
1034 				else
1035 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1036 			}
1037 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1038 				n = atoi(optarg);
1039 				if (n >= 0)
1040 					tx_rs_thresh = (int16_t)n;
1041 				else
1042 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1043 			}
1044 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1045 				n = atoi(optarg);
1046 				if (n > 0) {
1047 					if (rx_free_thresh >= n)
1048 						rte_exit(EXIT_FAILURE,
1049 							 "rxd must be > "
1050 							 "rx_free_thresh(%d)\n",
1051 							 (int)rx_free_thresh);
1052 					else
1053 						nb_rxd = (uint16_t) n;
1054 				} else
1055 					rte_exit(EXIT_FAILURE,
1056 						 "rxd(%d) invalid - must be > 0\n",
1057 						 n);
1058 			}
1059 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1060 				n = atoi(optarg);
1061 				if (n > 0)
1062 					nb_txd = (uint16_t) n;
1063 				else
1064 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1065 			}
1066 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1067 				n = atoi(optarg);
1068 				if (n >= 0)
1069 					tx_pthresh = (int8_t)n;
1070 				else
1071 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1072 			}
1073 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1074 				n = atoi(optarg);
1075 				if (n >= 0)
1076 					tx_hthresh = (int8_t)n;
1077 				else
1078 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1079 			}
1080 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1081 				n = atoi(optarg);
1082 				if (n >= 0)
1083 					tx_wthresh = (int8_t)n;
1084 				else
1085 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1086 			}
1087 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1088 				n = atoi(optarg);
1089 				if (n >= 0)
1090 					rx_pthresh = (int8_t)n;
1091 				else
1092 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1093 			}
1094 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1095 				n = atoi(optarg);
1096 				if (n >= 0)
1097 					rx_hthresh = (int8_t)n;
1098 				else
1099 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1100 			}
1101 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1102 				n = atoi(optarg);
1103 				if (n >= 0)
1104 					rx_wthresh = (int8_t)n;
1105 				else
1106 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1107 			}
1108 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1109 				n = atoi(optarg);
1110 				if (n >= 0)
1111 					rx_free_thresh = (int16_t)n;
1112 				else
1113 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1114 			}
1115 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1116 				if (parse_queue_stats_mapping_config(optarg, TX)) {
1117 					rte_exit(EXIT_FAILURE,
1118 						 "invalid TX queue statistics mapping config entered\n");
1119 				}
1120 			}
1121 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1122 				if (parse_queue_stats_mapping_config(optarg, RX)) {
1123 					rte_exit(EXIT_FAILURE,
1124 						 "invalid RX queue statistics mapping config entered\n");
1125 				}
1126 			}
1127 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1128 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1129 				unsigned int nb_segs;
1130 
1131 				nb_segs = parse_item_list(optarg, "txpkt segments",
1132 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1133 				if (nb_segs > 0)
1134 					set_tx_pkt_segments(seg_lengths, nb_segs);
1135 				else
1136 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1137 			}
1138 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1139 				no_flush_rx = 1;
1140 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1141 				no_link_check = 1;
1142 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1143 				lsc_interrupt = 0;
1144 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1145 				rmv_interrupt = 0;
1146 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1147 				flow_isolate_all = 1;
1148 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1149 				char *end = NULL;
1150 				n = strtoull(optarg, &end, 16);
1151 				if (n >= 0)
1152 					tx_offloads = (uint64_t)n;
1153 				else
1154 					rte_exit(EXIT_FAILURE,
1155 						 "tx-offloads must be >= 0\n");
1156 			}
1157 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1158 				n = atoi(optarg);
1159 				if (n >= 0)
1160 					vxlan_gpe_udp_port = (uint16_t)n;
1161 				else
1162 					rte_exit(EXIT_FAILURE,
1163 						 "vxlan-gpe-port must be >= 0\n");
1164 			}
1165 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1166 				if (parse_event_printing_config(optarg, 1)) {
1167 					rte_exit(EXIT_FAILURE,
1168 						 "invalid print-event argument\n");
1169 				}
1170 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1171 				if (parse_event_printing_config(optarg, 0)) {
1172 					rte_exit(EXIT_FAILURE,
1173 						 "invalid mask-event argument\n");
1174 				}
1175 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1176 				hot_plug = 1;
1177 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1178 				do_mlockall = 1;
1179 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1180 				do_mlockall = 0;
1181 			if (!strcmp(lgopts[opt_idx].name,
1182 				    "noisy-tx-sw-buffer-size")) {
1183 				n = atoi(optarg);
1184 				if (n >= 0)
1185 					noisy_tx_sw_bufsz = n;
1186 				else
1187 					rte_exit(EXIT_FAILURE,
1188 						"noisy-tx-sw-buffer-size must be >= 0\n");
1189 			}
1190 			if (!strcmp(lgopts[opt_idx].name,
1191 				    "noisy-tx-sw-buffer-flushtime")) {
1192 				n = atoi(optarg);
1193 				if (n >= 0)
1194 					noisy_tx_sw_buf_flush_time = n;
1195 				else
1196 					rte_exit(EXIT_FAILURE,
1197 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1198 			}
1199 			if (!strcmp(lgopts[opt_idx].name,
1200 				    "noisy-lkup-memory")) {
1201 				n = atoi(optarg);
1202 				if (n >= 0)
1203 					noisy_lkup_mem_sz = n;
1204 				else
1205 					rte_exit(EXIT_FAILURE,
1206 						 "noisy-lkup-memory must be >= 0\n");
1207 			}
1208 			if (!strcmp(lgopts[opt_idx].name,
1209 				    "noisy-lkup-num-writes")) {
1210 				n = atoi(optarg);
1211 				if (n >= 0)
1212 					noisy_lkup_num_writes = n;
1213 				else
1214 					rte_exit(EXIT_FAILURE,
1215 						 "noisy-lkup-num-writes must be >= 0\n");
1216 			}
1217 			if (!strcmp(lgopts[opt_idx].name,
1218 				    "noisy-lkup-num-reads")) {
1219 				n = atoi(optarg);
1220 				if (n >= 0)
1221 					noisy_lkup_num_reads = n;
1222 				else
1223 					rte_exit(EXIT_FAILURE,
1224 						 "noisy-lkup-num-reads must be >= 0\n");
1225 			}
1226 			if (!strcmp(lgopts[opt_idx].name,
1227 				    "noisy-lkup-num-reads-writes")) {
1228 				n = atoi(optarg);
1229 				if (n >= 0)
1230 					noisy_lkup_num_reads_writes = n;
1231 				else
1232 					rte_exit(EXIT_FAILURE,
1233 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1234 			}
1235 			break;
1236 		case 'h':
1237 			usage(argv[0]);
1238 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
1239 			break;
1240 		default:
1241 			usage(argv[0]);
1242 			rte_exit(EXIT_FAILURE,
1243 				 "Command line is incomplete or incorrect\n");
1244 			break;
1245 		}
1246 	}
1247 
1248 	/* Set offload configuration from command line parameters. */
1249 	rx_mode.offloads = rx_offloads;
1250 	tx_mode.offloads = tx_offloads;
1251 }
1252