xref: /dpdk/app/test-pmd/parameters.c (revision f163231e7df536f50c95a06f9b9d2cc9a2e05c6a)
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 ]\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 }
191 
192 #ifdef RTE_LIBRTE_CMDLINE
193 static int
194 init_peer_eth_addrs(char *config_filename)
195 {
196 	FILE *config_file;
197 	portid_t i;
198 	char buf[50];
199 
200 	config_file = fopen(config_filename, "r");
201 	if (config_file == NULL) {
202 		perror("Failed to open eth config file\n");
203 		return -1;
204 	}
205 
206 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
207 
208 		if (fgets(buf, sizeof(buf), config_file) == NULL)
209 			break;
210 
211 		if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i],
212 				sizeof(peer_eth_addrs[i])) < 0) {
213 			printf("Bad MAC address format on line %d\n", i+1);
214 			fclose(config_file);
215 			return -1;
216 		}
217 	}
218 	fclose(config_file);
219 	nb_peer_eth_addrs = (portid_t) i;
220 	return 0;
221 }
222 #endif
223 
224 /*
225  * Parse the coremask given as argument (hexadecimal string) and set
226  * the global configuration of forwarding cores.
227  */
228 static void
229 parse_fwd_coremask(const char *coremask)
230 {
231 	char *end;
232 	unsigned long long int cm;
233 
234 	/* parse hexadecimal string */
235 	end = NULL;
236 	cm = strtoull(coremask, &end, 16);
237 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
238 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
239 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
240 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
241 }
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_portmask(const char *portmask)
249 {
250 	char *end;
251 	unsigned long long int pm;
252 
253 	/* parse hexadecimal string */
254 	end = NULL;
255 	pm = strtoull(portmask, &end, 16);
256 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
257 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
258 	else
259 		set_fwd_ports_mask((uint64_t) pm);
260 }
261 
262 
263 static int
264 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
265 {
266 	char s[256];
267 	const char *p, *p0 = q_arg;
268 	char *end;
269 	enum fieldnames {
270 		FLD_PORT = 0,
271 		FLD_QUEUE,
272 		FLD_STATS_COUNTER,
273 		_NUM_FLD
274 	};
275 	unsigned long int_fld[_NUM_FLD];
276 	char *str_fld[_NUM_FLD];
277 	int i;
278 	unsigned size;
279 
280 	/* reset from value set at definition */
281 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
282 
283 	while ((p = strchr(p0,'(')) != NULL) {
284 		++p;
285 		if((p0 = strchr(p,')')) == NULL)
286 			return -1;
287 
288 		size = p0 - p;
289 		if(size >= sizeof(s))
290 			return -1;
291 
292 		snprintf(s, sizeof(s), "%.*s", size, p);
293 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
294 			return -1;
295 		for (i = 0; i < _NUM_FLD; i++){
296 			errno = 0;
297 			int_fld[i] = strtoul(str_fld[i], &end, 0);
298 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
299 				return -1;
300 		}
301 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
302 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
303 			printf("Stats counter not in the correct range 0..%d\n",
304 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
305 			return -1;
306 		}
307 
308 		if (!is_rx) {
309 			if ((nb_tx_queue_stats_mappings >=
310 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
311 				printf("exceeded max number of TX queue "
312 						"statistics mappings: %hu\n",
313 						nb_tx_queue_stats_mappings);
314 				return -1;
315 			}
316 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
317 				(uint8_t)int_fld[FLD_PORT];
318 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
319 				(uint8_t)int_fld[FLD_QUEUE];
320 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
321 				(uint8_t)int_fld[FLD_STATS_COUNTER];
322 			++nb_tx_queue_stats_mappings;
323 		}
324 		else {
325 			if ((nb_rx_queue_stats_mappings >=
326 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
327 				printf("exceeded max number of RX queue "
328 						"statistics mappings: %hu\n",
329 						nb_rx_queue_stats_mappings);
330 				return -1;
331 			}
332 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
333 				(uint8_t)int_fld[FLD_PORT];
334 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
335 				(uint8_t)int_fld[FLD_QUEUE];
336 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
337 				(uint8_t)int_fld[FLD_STATS_COUNTER];
338 			++nb_rx_queue_stats_mappings;
339 		}
340 
341 	}
342 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
343 /* than to the default array (that was set at its definition) */
344 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
345 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
346 	return 0;
347 }
348 
349 static void
350 print_invalid_socket_id_error(void)
351 {
352 	unsigned int i = 0;
353 
354 	printf("Invalid socket id, options are: ");
355 	for (i = 0; i < num_sockets; i++) {
356 		printf("%u%s", socket_ids[i],
357 		      (i == num_sockets - 1) ? "\n" : ",");
358 	}
359 }
360 
361 static int
362 parse_portnuma_config(const char *q_arg)
363 {
364 	char s[256];
365 	const char *p, *p0 = q_arg;
366 	char *end;
367 	uint8_t i, socket_id;
368 	portid_t port_id;
369 	unsigned size;
370 	enum fieldnames {
371 		FLD_PORT = 0,
372 		FLD_SOCKET,
373 		_NUM_FLD
374 	};
375 	unsigned long int_fld[_NUM_FLD];
376 	char *str_fld[_NUM_FLD];
377 	portid_t pid;
378 
379 	/* reset from value set at definition */
380 	while ((p = strchr(p0,'(')) != NULL) {
381 		++p;
382 		if((p0 = strchr(p,')')) == NULL)
383 			return -1;
384 
385 		size = p0 - p;
386 		if(size >= sizeof(s))
387 			return -1;
388 
389 		snprintf(s, sizeof(s), "%.*s", size, p);
390 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
391 			return -1;
392 		for (i = 0; i < _NUM_FLD; i++) {
393 			errno = 0;
394 			int_fld[i] = strtoul(str_fld[i], &end, 0);
395 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
396 				return -1;
397 		}
398 		port_id = (portid_t)int_fld[FLD_PORT];
399 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
400 			port_id == (portid_t)RTE_PORT_ALL) {
401 			printf("Valid port range is [0");
402 			RTE_ETH_FOREACH_DEV(pid)
403 				printf(", %d", pid);
404 			printf("]\n");
405 			return -1;
406 		}
407 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
408 		if (new_socket_id(socket_id)) {
409 			print_invalid_socket_id_error();
410 			return -1;
411 		}
412 		port_numa[port_id] = socket_id;
413 	}
414 
415 	return 0;
416 }
417 
418 static int
419 parse_ringnuma_config(const char *q_arg)
420 {
421 	char s[256];
422 	const char *p, *p0 = q_arg;
423 	char *end;
424 	uint8_t i, ring_flag, socket_id;
425 	portid_t port_id;
426 	unsigned size;
427 	enum fieldnames {
428 		FLD_PORT = 0,
429 		FLD_FLAG,
430 		FLD_SOCKET,
431 		_NUM_FLD
432 	};
433 	unsigned long int_fld[_NUM_FLD];
434 	char *str_fld[_NUM_FLD];
435 	portid_t pid;
436 	#define RX_RING_ONLY 0x1
437 	#define TX_RING_ONLY 0x2
438 	#define RXTX_RING    0x3
439 
440 	/* reset from value set at definition */
441 	while ((p = strchr(p0,'(')) != NULL) {
442 		++p;
443 		if((p0 = strchr(p,')')) == NULL)
444 			return -1;
445 
446 		size = p0 - p;
447 		if(size >= sizeof(s))
448 			return -1;
449 
450 		snprintf(s, sizeof(s), "%.*s", size, p);
451 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
452 			return -1;
453 		for (i = 0; i < _NUM_FLD; i++) {
454 			errno = 0;
455 			int_fld[i] = strtoul(str_fld[i], &end, 0);
456 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
457 				return -1;
458 		}
459 		port_id = (portid_t)int_fld[FLD_PORT];
460 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
461 			port_id == (portid_t)RTE_PORT_ALL) {
462 			printf("Valid port range is [0");
463 			RTE_ETH_FOREACH_DEV(pid)
464 				printf(", %d", pid);
465 			printf("]\n");
466 			return -1;
467 		}
468 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
469 		if (new_socket_id(socket_id)) {
470 			print_invalid_socket_id_error();
471 			return -1;
472 		}
473 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
474 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
475 			printf("Invalid ring-flag=%d config for port =%d\n",
476 				ring_flag,port_id);
477 			return -1;
478 		}
479 
480 		switch (ring_flag & RXTX_RING) {
481 		case RX_RING_ONLY:
482 			rxring_numa[port_id] = socket_id;
483 			break;
484 		case TX_RING_ONLY:
485 			txring_numa[port_id] = socket_id;
486 			break;
487 		case RXTX_RING:
488 			rxring_numa[port_id] = socket_id;
489 			txring_numa[port_id] = socket_id;
490 			break;
491 		default:
492 			printf("Invalid ring-flag=%d config for port=%d\n",
493 				ring_flag,port_id);
494 			break;
495 		}
496 	}
497 
498 	return 0;
499 }
500 
501 static int
502 parse_event_printing_config(const char *optarg, int enable)
503 {
504 	uint32_t mask = 0;
505 
506 	if (!strcmp(optarg, "unknown"))
507 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
508 	else if (!strcmp(optarg, "intr_lsc"))
509 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
510 	else if (!strcmp(optarg, "queue_state"))
511 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
512 	else if (!strcmp(optarg, "intr_reset"))
513 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
514 	else if (!strcmp(optarg, "vf_mbox"))
515 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
516 	else if (!strcmp(optarg, "ipsec"))
517 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
518 	else if (!strcmp(optarg, "macsec"))
519 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
520 	else if (!strcmp(optarg, "intr_rmv"))
521 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
522 	else if (!strcmp(optarg, "dev_probed"))
523 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
524 	else if (!strcmp(optarg, "dev_released"))
525 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
526 	else if (!strcmp(optarg, "all"))
527 		mask = ~UINT32_C(0);
528 	else {
529 		fprintf(stderr, "Invalid event: %s\n", optarg);
530 		return -1;
531 	}
532 	if (enable)
533 		event_print_mask |= mask;
534 	else
535 		event_print_mask &= ~mask;
536 	return 0;
537 }
538 
539 void
540 launch_args_parse(int argc, char** argv)
541 {
542 	int n, opt;
543 	char **argvopt;
544 	int opt_idx;
545 	portid_t pid;
546 	enum { TX, RX };
547 	/* Default offloads for all ports. */
548 	uint64_t rx_offloads = rx_mode.offloads;
549 	uint64_t tx_offloads = tx_mode.offloads;
550 	struct rte_eth_dev_info dev_info;
551 	uint16_t rec_nb_pkts;
552 
553 	static struct option lgopts[] = {
554 		{ "help",			0, 0, 0 },
555 #ifdef RTE_LIBRTE_CMDLINE
556 		{ "interactive",		0, 0, 0 },
557 		{ "cmdline-file",		1, 0, 0 },
558 		{ "auto-start",			0, 0, 0 },
559 		{ "eth-peers-configfile",	1, 0, 0 },
560 		{ "eth-peer",			1, 0, 0 },
561 #endif
562 		{ "tx-first",			0, 0, 0 },
563 		{ "stats-period",		1, 0, 0 },
564 		{ "ports",			1, 0, 0 },
565 		{ "nb-cores",			1, 0, 0 },
566 		{ "nb-ports",			1, 0, 0 },
567 		{ "coremask",			1, 0, 0 },
568 		{ "portmask",			1, 0, 0 },
569 		{ "numa",			0, 0, 0 },
570 		{ "no-numa",			0, 0, 0 },
571 		{ "mp-anon",			0, 0, 0 },
572 		{ "port-numa-config",           1, 0, 0 },
573 		{ "ring-numa-config",           1, 0, 0 },
574 		{ "socket-num",			1, 0, 0 },
575 		{ "mbuf-size",			1, 0, 0 },
576 		{ "total-num-mbufs",		1, 0, 0 },
577 		{ "max-pkt-len",		1, 0, 0 },
578 		{ "pkt-filter-mode",            1, 0, 0 },
579 		{ "pkt-filter-report-hash",     1, 0, 0 },
580 		{ "pkt-filter-size",            1, 0, 0 },
581 		{ "pkt-filter-drop-queue",      1, 0, 0 },
582 #ifdef RTE_LIBRTE_LATENCY_STATS
583 		{ "latencystats",               1, 0, 0 },
584 #endif
585 #ifdef RTE_LIBRTE_BITRATE
586 		{ "bitrate-stats",              1, 0, 0 },
587 #endif
588 		{ "disable-crc-strip",          0, 0, 0 },
589 		{ "enable-lro",                 0, 0, 0 },
590 		{ "enable-rx-cksum",            0, 0, 0 },
591 		{ "enable-rx-timestamp",        0, 0, 0 },
592 		{ "enable-scatter",             0, 0, 0 },
593 		{ "enable-hw-vlan",             0, 0, 0 },
594 		{ "enable-hw-vlan-filter",      0, 0, 0 },
595 		{ "enable-hw-vlan-strip",       0, 0, 0 },
596 		{ "enable-hw-vlan-extend",      0, 0, 0 },
597 		{ "enable-drop-en",            0, 0, 0 },
598 		{ "disable-rss",                0, 0, 0 },
599 		{ "port-topology",              1, 0, 0 },
600 		{ "forward-mode",               1, 0, 0 },
601 		{ "rss-ip",			0, 0, 0 },
602 		{ "rss-udp",			0, 0, 0 },
603 		{ "rxq",			1, 0, 0 },
604 		{ "txq",			1, 0, 0 },
605 		{ "rxd",			1, 0, 0 },
606 		{ "txd",			1, 0, 0 },
607 		{ "burst",			1, 0, 0 },
608 		{ "mbcache",			1, 0, 0 },
609 		{ "txpt",			1, 0, 0 },
610 		{ "txht",			1, 0, 0 },
611 		{ "txwt",			1, 0, 0 },
612 		{ "txfreet",			1, 0, 0 },
613 		{ "txrst",			1, 0, 0 },
614 		{ "rxpt",			1, 0, 0 },
615 		{ "rxht",			1, 0, 0 },
616 		{ "rxwt",			1, 0, 0 },
617 		{ "rxfreet",                    1, 0, 0 },
618 		{ "tx-queue-stats-mapping",	1, 0, 0 },
619 		{ "rx-queue-stats-mapping",	1, 0, 0 },
620 		{ "no-flush-rx",	0, 0, 0 },
621 		{ "flow-isolate-all",	        0, 0, 0 },
622 		{ "txpkts",			1, 0, 0 },
623 		{ "disable-link-check",		0, 0, 0 },
624 		{ "no-lsc-interrupt",		0, 0, 0 },
625 		{ "no-rmv-interrupt",		0, 0, 0 },
626 		{ "print-event",		1, 0, 0 },
627 		{ "mask-event",			1, 0, 0 },
628 		{ "tx-offloads",		1, 0, 0 },
629 		{ "hot-plug",			0, 0, 0 },
630 		{ 0, 0, 0, 0 },
631 	};
632 
633 	argvopt = argv;
634 
635 #ifdef RTE_LIBRTE_CMDLINE
636 #define SHORTOPTS "i"
637 #else
638 #define SHORTOPTS ""
639 #endif
640 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
641 				 lgopts, &opt_idx)) != EOF) {
642 		switch (opt) {
643 #ifdef RTE_LIBRTE_CMDLINE
644 		case 'i':
645 			printf("Interactive-mode selected\n");
646 			interactive = 1;
647 			break;
648 #endif
649 		case 'a':
650 			printf("Auto-start selected\n");
651 			auto_start = 1;
652 			break;
653 
654 		case 0: /*long options */
655 			if (!strcmp(lgopts[opt_idx].name, "help")) {
656 				usage(argv[0]);
657 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
658 			}
659 #ifdef RTE_LIBRTE_CMDLINE
660 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
661 				printf("Interactive-mode selected\n");
662 				interactive = 1;
663 			}
664 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
665 				printf("CLI commands to be read from %s\n",
666 				       optarg);
667 				strlcpy(cmdline_filename, optarg,
668 					sizeof(cmdline_filename));
669 			}
670 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
671 				printf("Auto-start selected\n");
672 				auto_start = 1;
673 			}
674 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
675 				printf("Ports to start sending a burst of "
676 						"packets first\n");
677 				tx_first = 1;
678 			}
679 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
680 				char *end = NULL;
681 				unsigned int n;
682 
683 				n = strtoul(optarg, &end, 10);
684 				if ((optarg[0] == '\0') || (end == NULL) ||
685 						(*end != '\0'))
686 					break;
687 
688 				stats_period = n;
689 				break;
690 			}
691 			if (!strcmp(lgopts[opt_idx].name,
692 				    "eth-peers-configfile")) {
693 				if (init_peer_eth_addrs(optarg) != 0)
694 					rte_exit(EXIT_FAILURE,
695 						 "Cannot open logfile\n");
696 			}
697 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
698 				char *port_end;
699 				uint8_t c, peer_addr[6];
700 
701 				errno = 0;
702 				n = strtoul(optarg, &port_end, 10);
703 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
704 					rte_exit(EXIT_FAILURE,
705 						 "Invalid eth-peer: %s", optarg);
706 				if (n >= RTE_MAX_ETHPORTS)
707 					rte_exit(EXIT_FAILURE,
708 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
709 						 n, RTE_MAX_ETHPORTS);
710 
711 				if (cmdline_parse_etheraddr(NULL, port_end,
712 						&peer_addr, sizeof(peer_addr)) < 0)
713 					rte_exit(EXIT_FAILURE,
714 						 "Invalid ethernet address: %s\n",
715 						 port_end);
716 				for (c = 0; c < 6; c++)
717 					peer_eth_addrs[n].addr_bytes[c] =
718 						peer_addr[c];
719 				nb_peer_eth_addrs++;
720 			}
721 #endif
722 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
723 				n = atoi(optarg);
724 				if (n > 0 && n <= nb_ports)
725 					nb_fwd_ports = n;
726 				else
727 					rte_exit(EXIT_FAILURE,
728 						 "Invalid port %d\n", n);
729 			}
730 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
731 				n = atoi(optarg);
732 				if (n > 0 && n <= nb_lcores)
733 					nb_fwd_lcores = (uint8_t) n;
734 				else
735 					rte_exit(EXIT_FAILURE,
736 						 "nb-cores should be > 0 and <= %d\n",
737 						 nb_lcores);
738 			}
739 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
740 				parse_fwd_coremask(optarg);
741 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
742 				parse_fwd_portmask(optarg);
743 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
744 				numa_support = 0;
745 			if (!strcmp(lgopts[opt_idx].name, "numa"))
746 				numa_support = 1;
747 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
748 				mp_anon = 1;
749 			}
750 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
751 				if (parse_portnuma_config(optarg))
752 					rte_exit(EXIT_FAILURE,
753 					   "invalid port-numa configuration\n");
754 			}
755 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
756 				if (parse_ringnuma_config(optarg))
757 					rte_exit(EXIT_FAILURE,
758 					   "invalid ring-numa configuration\n");
759 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
760 				n = atoi(optarg);
761 				if (!new_socket_id((uint8_t)n)) {
762 					socket_num = (uint8_t)n;
763 				} else {
764 					print_invalid_socket_id_error();
765 					rte_exit(EXIT_FAILURE,
766 						"Invalid socket id");
767 				}
768 			}
769 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
770 				n = atoi(optarg);
771 				if (n > 0 && n <= 0xFFFF)
772 					mbuf_data_size = (uint16_t) n;
773 				else
774 					rte_exit(EXIT_FAILURE,
775 						 "mbuf-size should be > 0 and < 65536\n");
776 			}
777 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
778 				n = atoi(optarg);
779 				if (n > 1024)
780 					param_total_num_mbufs = (unsigned)n;
781 				else
782 					rte_exit(EXIT_FAILURE,
783 						 "total-num-mbufs should be > 1024\n");
784 			}
785 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
786 				n = atoi(optarg);
787 				if (n >= ETHER_MIN_LEN) {
788 					rx_mode.max_rx_pkt_len = (uint32_t) n;
789 					if (n > ETHER_MAX_LEN)
790 						rx_offloads |=
791 							DEV_RX_OFFLOAD_JUMBO_FRAME;
792 				} else
793 					rte_exit(EXIT_FAILURE,
794 						 "Invalid max-pkt-len=%d - should be > %d\n",
795 						 n, ETHER_MIN_LEN);
796 			}
797 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
798 				if (!strcmp(optarg, "signature"))
799 					fdir_conf.mode =
800 						RTE_FDIR_MODE_SIGNATURE;
801 				else if (!strcmp(optarg, "perfect"))
802 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
803 				else if (!strcmp(optarg, "perfect-mac-vlan"))
804 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
805 				else if (!strcmp(optarg, "perfect-tunnel"))
806 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
807 				else if (!strcmp(optarg, "none"))
808 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
809 				else
810 					rte_exit(EXIT_FAILURE,
811 						 "pkt-mode-invalid %s invalid - must be: "
812 						 "none, signature, perfect, perfect-mac-vlan"
813 						 " or perfect-tunnel\n",
814 						 optarg);
815 			}
816 			if (!strcmp(lgopts[opt_idx].name,
817 				    "pkt-filter-report-hash")) {
818 				if (!strcmp(optarg, "none"))
819 					fdir_conf.status =
820 						RTE_FDIR_NO_REPORT_STATUS;
821 				else if (!strcmp(optarg, "match"))
822 					fdir_conf.status =
823 						RTE_FDIR_REPORT_STATUS;
824 				else if (!strcmp(optarg, "always"))
825 					fdir_conf.status =
826 						RTE_FDIR_REPORT_STATUS_ALWAYS;
827 				else
828 					rte_exit(EXIT_FAILURE,
829 						 "pkt-filter-report-hash %s invalid "
830 						 "- must be: none or match or always\n",
831 						 optarg);
832 			}
833 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
834 				if (!strcmp(optarg, "64K"))
835 					fdir_conf.pballoc =
836 						RTE_FDIR_PBALLOC_64K;
837 				else if (!strcmp(optarg, "128K"))
838 					fdir_conf.pballoc =
839 						RTE_FDIR_PBALLOC_128K;
840 				else if (!strcmp(optarg, "256K"))
841 					fdir_conf.pballoc =
842 						RTE_FDIR_PBALLOC_256K;
843 				else
844 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
845 						 " must be: 64K or 128K or 256K\n",
846 						 optarg);
847 			}
848 			if (!strcmp(lgopts[opt_idx].name,
849 				    "pkt-filter-drop-queue")) {
850 				n = atoi(optarg);
851 				if (n >= 0)
852 					fdir_conf.drop_queue = (uint8_t) n;
853 				else
854 					rte_exit(EXIT_FAILURE,
855 						 "drop queue %d invalid - must"
856 						 "be >= 0 \n", n);
857 			}
858 #ifdef RTE_LIBRTE_LATENCY_STATS
859 			if (!strcmp(lgopts[opt_idx].name,
860 				    "latencystats")) {
861 				n = atoi(optarg);
862 				if (n >= 0) {
863 					latencystats_lcore_id = (lcoreid_t) n;
864 					latencystats_enabled = 1;
865 				} else
866 					rte_exit(EXIT_FAILURE,
867 						 "invalid lcore id %d for latencystats"
868 						 " must be >= 0\n", n);
869 			}
870 #endif
871 #ifdef RTE_LIBRTE_BITRATE
872 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
873 				n = atoi(optarg);
874 				if (n >= 0) {
875 					bitrate_lcore_id = (lcoreid_t) n;
876 					bitrate_enabled = 1;
877 				} else
878 					rte_exit(EXIT_FAILURE,
879 						 "invalid lcore id %d for bitrate stats"
880 						 " must be >= 0\n", n);
881 			}
882 #endif
883 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
884 				rx_offloads &= ~DEV_RX_OFFLOAD_CRC_STRIP;
885 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
886 				rx_offloads |= DEV_RX_OFFLOAD_TCP_LRO;
887 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
888 				rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
889 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
890 				rx_offloads |= DEV_RX_OFFLOAD_CHECKSUM;
891 			if (!strcmp(lgopts[opt_idx].name,
892 					"enable-rx-timestamp"))
893 				rx_offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
894 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
895 				rx_offloads |= DEV_RX_OFFLOAD_VLAN;
896 
897 			if (!strcmp(lgopts[opt_idx].name,
898 					"enable-hw-vlan-filter"))
899 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
900 
901 			if (!strcmp(lgopts[opt_idx].name,
902 					"enable-hw-vlan-strip"))
903 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
904 
905 			if (!strcmp(lgopts[opt_idx].name,
906 					"enable-hw-vlan-extend"))
907 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
908 
909 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
910 				rx_drop_en = 1;
911 
912 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
913 				rss_hf = 0;
914 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
915 				if (!strcmp(optarg, "paired"))
916 					port_topology = PORT_TOPOLOGY_PAIRED;
917 				else if (!strcmp(optarg, "chained"))
918 					port_topology = PORT_TOPOLOGY_CHAINED;
919 				else if (!strcmp(optarg, "loop"))
920 					port_topology = PORT_TOPOLOGY_LOOP;
921 				else
922 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
923 						 " must be: paired, chained or loop\n",
924 						 optarg);
925 			}
926 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
927 				set_pkt_forwarding_mode(optarg);
928 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
929 				rss_hf = ETH_RSS_IP;
930 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
931 				rss_hf = ETH_RSS_UDP;
932 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
933 				n = atoi(optarg);
934 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
935 					nb_rxq = (queueid_t) n;
936 				else
937 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
938 						  " >= 0 && <= %u\n", n,
939 						  get_allowed_max_nb_rxq(&pid));
940 			}
941 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
942 				n = atoi(optarg);
943 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
944 					nb_txq = (queueid_t) n;
945 				else
946 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
947 						  " >= 0 && <= %u\n", n,
948 						  get_allowed_max_nb_txq(&pid));
949 			}
950 			if (!nb_rxq && !nb_txq) {
951 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
952 						"be non-zero\n");
953 			}
954 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
955 				n = atoi(optarg);
956 				if (n == 0) {
957 					/* A burst size of zero means that the
958 					 * PMD should be queried for
959 					 * recommended Rx burst size. Since
960 					 * testpmd uses a single size for all
961 					 * ports, port 0 is queried for the
962 					 * value, on the assumption that all
963 					 * ports are of the same NIC model.
964 					 */
965 					rte_eth_dev_info_get(0, &dev_info);
966 					rec_nb_pkts = dev_info
967 						.default_rxportconf.burst_size;
968 
969 					if (rec_nb_pkts == 0)
970 						rte_exit(EXIT_FAILURE,
971 							"PMD does not recommend a burst size. "
972 							"Provided value must be between "
973 							"1 and %d\n", MAX_PKT_BURST);
974 					else if (rec_nb_pkts > MAX_PKT_BURST)
975 						rte_exit(EXIT_FAILURE,
976 							"PMD recommended burst size of %d"
977 							" exceeds maximum value of %d\n",
978 							rec_nb_pkts, MAX_PKT_BURST);
979 					printf("Using PMD-provided burst value of %d\n",
980 						rec_nb_pkts);
981 					nb_pkt_per_burst = rec_nb_pkts;
982 				} else if (n > MAX_PKT_BURST)
983 					rte_exit(EXIT_FAILURE,
984 						"burst must be between1 and %d\n",
985 						MAX_PKT_BURST);
986 				else
987 					nb_pkt_per_burst = (uint16_t) n;
988 			}
989 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
990 				n = atoi(optarg);
991 				if ((n >= 0) &&
992 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
993 					mb_mempool_cache = (uint16_t) n;
994 				else
995 					rte_exit(EXIT_FAILURE,
996 						 "mbcache must be >= 0 and <= %d\n",
997 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
998 			}
999 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1000 				n = atoi(optarg);
1001 				if (n >= 0)
1002 					tx_free_thresh = (int16_t)n;
1003 				else
1004 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1005 			}
1006 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1007 				n = atoi(optarg);
1008 				if (n >= 0)
1009 					tx_rs_thresh = (int16_t)n;
1010 				else
1011 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1012 			}
1013 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1014 				n = atoi(optarg);
1015 				if (n > 0) {
1016 					if (rx_free_thresh >= n)
1017 						rte_exit(EXIT_FAILURE,
1018 							 "rxd must be > "
1019 							 "rx_free_thresh(%d)\n",
1020 							 (int)rx_free_thresh);
1021 					else
1022 						nb_rxd = (uint16_t) n;
1023 				} else
1024 					rte_exit(EXIT_FAILURE,
1025 						 "rxd(%d) invalid - must be > 0\n",
1026 						 n);
1027 			}
1028 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1029 				n = atoi(optarg);
1030 				if (n > 0)
1031 					nb_txd = (uint16_t) n;
1032 				else
1033 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1034 			}
1035 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1036 				n = atoi(optarg);
1037 				if (n >= 0)
1038 					tx_pthresh = (int8_t)n;
1039 				else
1040 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1041 			}
1042 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1043 				n = atoi(optarg);
1044 				if (n >= 0)
1045 					tx_hthresh = (int8_t)n;
1046 				else
1047 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1048 			}
1049 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1050 				n = atoi(optarg);
1051 				if (n >= 0)
1052 					tx_wthresh = (int8_t)n;
1053 				else
1054 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1055 			}
1056 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1057 				n = atoi(optarg);
1058 				if (n >= 0)
1059 					rx_pthresh = (int8_t)n;
1060 				else
1061 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1062 			}
1063 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1064 				n = atoi(optarg);
1065 				if (n >= 0)
1066 					rx_hthresh = (int8_t)n;
1067 				else
1068 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1069 			}
1070 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1071 				n = atoi(optarg);
1072 				if (n >= 0)
1073 					rx_wthresh = (int8_t)n;
1074 				else
1075 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1076 			}
1077 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1078 				n = atoi(optarg);
1079 				if (n >= 0)
1080 					rx_free_thresh = (int16_t)n;
1081 				else
1082 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1083 			}
1084 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1085 				if (parse_queue_stats_mapping_config(optarg, TX)) {
1086 					rte_exit(EXIT_FAILURE,
1087 						 "invalid TX queue statistics mapping config entered\n");
1088 				}
1089 			}
1090 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1091 				if (parse_queue_stats_mapping_config(optarg, RX)) {
1092 					rte_exit(EXIT_FAILURE,
1093 						 "invalid RX queue statistics mapping config entered\n");
1094 				}
1095 			}
1096 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1097 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1098 				unsigned int nb_segs;
1099 
1100 				nb_segs = parse_item_list(optarg, "txpkt segments",
1101 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1102 				if (nb_segs > 0)
1103 					set_tx_pkt_segments(seg_lengths, nb_segs);
1104 				else
1105 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1106 			}
1107 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1108 				no_flush_rx = 1;
1109 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1110 				no_link_check = 1;
1111 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1112 				lsc_interrupt = 0;
1113 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1114 				rmv_interrupt = 0;
1115 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1116 				flow_isolate_all = 1;
1117 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1118 				char *end = NULL;
1119 				n = strtoull(optarg, &end, 16);
1120 				if (n >= 0)
1121 					tx_offloads = (uint64_t)n;
1122 				else
1123 					rte_exit(EXIT_FAILURE,
1124 						 "tx-offloads must be >= 0\n");
1125 			}
1126 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1127 				if (parse_event_printing_config(optarg, 1)) {
1128 					rte_exit(EXIT_FAILURE,
1129 						 "invalid print-event argument\n");
1130 				}
1131 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1132 				if (parse_event_printing_config(optarg, 0)) {
1133 					rte_exit(EXIT_FAILURE,
1134 						 "invalid mask-event argument\n");
1135 				}
1136 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1137 				hot_plug = 1;
1138 			break;
1139 		case 'h':
1140 			usage(argv[0]);
1141 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
1142 			break;
1143 		default:
1144 			usage(argv[0]);
1145 			rte_exit(EXIT_FAILURE,
1146 				 "Command line is incomplete or incorrect\n");
1147 			break;
1148 		}
1149 	}
1150 
1151 	/* Set offload configuration from command line parameters. */
1152 	rx_mode.offloads = rx_offloads;
1153 	tx_mode.offloads = tx_offloads;
1154 }
1155