xref: /dpdk/app/test-pmd/parameters.c (revision 39e5e20f0defa67627e5f53c2d9d62db51fa2d0c)
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 }
192 
193 #ifdef RTE_LIBRTE_CMDLINE
194 static int
195 init_peer_eth_addrs(char *config_filename)
196 {
197 	FILE *config_file;
198 	portid_t i;
199 	char buf[50];
200 
201 	config_file = fopen(config_filename, "r");
202 	if (config_file == NULL) {
203 		perror("Failed to open eth config file\n");
204 		return -1;
205 	}
206 
207 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
208 
209 		if (fgets(buf, sizeof(buf), config_file) == NULL)
210 			break;
211 
212 		if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i],
213 				sizeof(peer_eth_addrs[i])) < 0) {
214 			printf("Bad MAC address format on line %d\n", i+1);
215 			fclose(config_file);
216 			return -1;
217 		}
218 	}
219 	fclose(config_file);
220 	nb_peer_eth_addrs = (portid_t) i;
221 	return 0;
222 }
223 #endif
224 
225 /*
226  * Parse the coremask given as argument (hexadecimal string) and set
227  * the global configuration of forwarding cores.
228  */
229 static void
230 parse_fwd_coremask(const char *coremask)
231 {
232 	char *end;
233 	unsigned long long int cm;
234 
235 	/* parse hexadecimal string */
236 	end = NULL;
237 	cm = strtoull(coremask, &end, 16);
238 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
239 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
240 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
241 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
242 }
243 
244 /*
245  * Parse the coremask given as argument (hexadecimal string) and set
246  * the global configuration of forwarding cores.
247  */
248 static void
249 parse_fwd_portmask(const char *portmask)
250 {
251 	char *end;
252 	unsigned long long int pm;
253 
254 	/* parse hexadecimal string */
255 	end = NULL;
256 	pm = strtoull(portmask, &end, 16);
257 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
258 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
259 	else
260 		set_fwd_ports_mask((uint64_t) pm);
261 }
262 
263 
264 static int
265 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
266 {
267 	char s[256];
268 	const char *p, *p0 = q_arg;
269 	char *end;
270 	enum fieldnames {
271 		FLD_PORT = 0,
272 		FLD_QUEUE,
273 		FLD_STATS_COUNTER,
274 		_NUM_FLD
275 	};
276 	unsigned long int_fld[_NUM_FLD];
277 	char *str_fld[_NUM_FLD];
278 	int i;
279 	unsigned size;
280 
281 	/* reset from value set at definition */
282 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
283 
284 	while ((p = strchr(p0,'(')) != NULL) {
285 		++p;
286 		if((p0 = strchr(p,')')) == NULL)
287 			return -1;
288 
289 		size = p0 - p;
290 		if(size >= sizeof(s))
291 			return -1;
292 
293 		snprintf(s, sizeof(s), "%.*s", size, p);
294 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
295 			return -1;
296 		for (i = 0; i < _NUM_FLD; i++){
297 			errno = 0;
298 			int_fld[i] = strtoul(str_fld[i], &end, 0);
299 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
300 				return -1;
301 		}
302 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
303 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
304 			printf("Stats counter not in the correct range 0..%d\n",
305 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
306 			return -1;
307 		}
308 
309 		if (!is_rx) {
310 			if ((nb_tx_queue_stats_mappings >=
311 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
312 				printf("exceeded max number of TX queue "
313 						"statistics mappings: %hu\n",
314 						nb_tx_queue_stats_mappings);
315 				return -1;
316 			}
317 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
318 				(uint8_t)int_fld[FLD_PORT];
319 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
320 				(uint8_t)int_fld[FLD_QUEUE];
321 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
322 				(uint8_t)int_fld[FLD_STATS_COUNTER];
323 			++nb_tx_queue_stats_mappings;
324 		}
325 		else {
326 			if ((nb_rx_queue_stats_mappings >=
327 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
328 				printf("exceeded max number of RX queue "
329 						"statistics mappings: %hu\n",
330 						nb_rx_queue_stats_mappings);
331 				return -1;
332 			}
333 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
334 				(uint8_t)int_fld[FLD_PORT];
335 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
336 				(uint8_t)int_fld[FLD_QUEUE];
337 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
338 				(uint8_t)int_fld[FLD_STATS_COUNTER];
339 			++nb_rx_queue_stats_mappings;
340 		}
341 
342 	}
343 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
344 /* than to the default array (that was set at its definition) */
345 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
346 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
347 	return 0;
348 }
349 
350 static void
351 print_invalid_socket_id_error(void)
352 {
353 	unsigned int i = 0;
354 
355 	printf("Invalid socket id, options are: ");
356 	for (i = 0; i < num_sockets; i++) {
357 		printf("%u%s", socket_ids[i],
358 		      (i == num_sockets - 1) ? "\n" : ",");
359 	}
360 }
361 
362 static int
363 parse_portnuma_config(const char *q_arg)
364 {
365 	char s[256];
366 	const char *p, *p0 = q_arg;
367 	char *end;
368 	uint8_t i, socket_id;
369 	portid_t port_id;
370 	unsigned size;
371 	enum fieldnames {
372 		FLD_PORT = 0,
373 		FLD_SOCKET,
374 		_NUM_FLD
375 	};
376 	unsigned long int_fld[_NUM_FLD];
377 	char *str_fld[_NUM_FLD];
378 	portid_t pid;
379 
380 	/* reset from value set at definition */
381 	while ((p = strchr(p0,'(')) != NULL) {
382 		++p;
383 		if((p0 = strchr(p,')')) == NULL)
384 			return -1;
385 
386 		size = p0 - p;
387 		if(size >= sizeof(s))
388 			return -1;
389 
390 		snprintf(s, sizeof(s), "%.*s", size, p);
391 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
392 			return -1;
393 		for (i = 0; i < _NUM_FLD; i++) {
394 			errno = 0;
395 			int_fld[i] = strtoul(str_fld[i], &end, 0);
396 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
397 				return -1;
398 		}
399 		port_id = (portid_t)int_fld[FLD_PORT];
400 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
401 			port_id == (portid_t)RTE_PORT_ALL) {
402 			printf("Valid port range is [0");
403 			RTE_ETH_FOREACH_DEV(pid)
404 				printf(", %d", pid);
405 			printf("]\n");
406 			return -1;
407 		}
408 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
409 		if (new_socket_id(socket_id)) {
410 			print_invalid_socket_id_error();
411 			return -1;
412 		}
413 		port_numa[port_id] = socket_id;
414 	}
415 
416 	return 0;
417 }
418 
419 static int
420 parse_ringnuma_config(const char *q_arg)
421 {
422 	char s[256];
423 	const char *p, *p0 = q_arg;
424 	char *end;
425 	uint8_t i, ring_flag, socket_id;
426 	portid_t port_id;
427 	unsigned size;
428 	enum fieldnames {
429 		FLD_PORT = 0,
430 		FLD_FLAG,
431 		FLD_SOCKET,
432 		_NUM_FLD
433 	};
434 	unsigned long int_fld[_NUM_FLD];
435 	char *str_fld[_NUM_FLD];
436 	portid_t pid;
437 	#define RX_RING_ONLY 0x1
438 	#define TX_RING_ONLY 0x2
439 	#define RXTX_RING    0x3
440 
441 	/* reset from value set at definition */
442 	while ((p = strchr(p0,'(')) != NULL) {
443 		++p;
444 		if((p0 = strchr(p,')')) == NULL)
445 			return -1;
446 
447 		size = p0 - p;
448 		if(size >= sizeof(s))
449 			return -1;
450 
451 		snprintf(s, sizeof(s), "%.*s", size, p);
452 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
453 			return -1;
454 		for (i = 0; i < _NUM_FLD; i++) {
455 			errno = 0;
456 			int_fld[i] = strtoul(str_fld[i], &end, 0);
457 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
458 				return -1;
459 		}
460 		port_id = (portid_t)int_fld[FLD_PORT];
461 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
462 			port_id == (portid_t)RTE_PORT_ALL) {
463 			printf("Valid port range is [0");
464 			RTE_ETH_FOREACH_DEV(pid)
465 				printf(", %d", pid);
466 			printf("]\n");
467 			return -1;
468 		}
469 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
470 		if (new_socket_id(socket_id)) {
471 			print_invalid_socket_id_error();
472 			return -1;
473 		}
474 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
475 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
476 			printf("Invalid ring-flag=%d config for port =%d\n",
477 				ring_flag,port_id);
478 			return -1;
479 		}
480 
481 		switch (ring_flag & RXTX_RING) {
482 		case RX_RING_ONLY:
483 			rxring_numa[port_id] = socket_id;
484 			break;
485 		case TX_RING_ONLY:
486 			txring_numa[port_id] = socket_id;
487 			break;
488 		case RXTX_RING:
489 			rxring_numa[port_id] = socket_id;
490 			txring_numa[port_id] = socket_id;
491 			break;
492 		default:
493 			printf("Invalid ring-flag=%d config for port=%d\n",
494 				ring_flag,port_id);
495 			break;
496 		}
497 	}
498 
499 	return 0;
500 }
501 
502 static int
503 parse_event_printing_config(const char *optarg, int enable)
504 {
505 	uint32_t mask = 0;
506 
507 	if (!strcmp(optarg, "unknown"))
508 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
509 	else if (!strcmp(optarg, "intr_lsc"))
510 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
511 	else if (!strcmp(optarg, "queue_state"))
512 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
513 	else if (!strcmp(optarg, "intr_reset"))
514 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
515 	else if (!strcmp(optarg, "vf_mbox"))
516 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
517 	else if (!strcmp(optarg, "ipsec"))
518 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
519 	else if (!strcmp(optarg, "macsec"))
520 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
521 	else if (!strcmp(optarg, "intr_rmv"))
522 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
523 	else if (!strcmp(optarg, "dev_probed"))
524 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
525 	else if (!strcmp(optarg, "dev_released"))
526 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
527 	else if (!strcmp(optarg, "all"))
528 		mask = ~UINT32_C(0);
529 	else {
530 		fprintf(stderr, "Invalid event: %s\n", optarg);
531 		return -1;
532 	}
533 	if (enable)
534 		event_print_mask |= mask;
535 	else
536 		event_print_mask &= ~mask;
537 	return 0;
538 }
539 
540 void
541 launch_args_parse(int argc, char** argv)
542 {
543 	int n, opt;
544 	char **argvopt;
545 	int opt_idx;
546 	portid_t pid;
547 	enum { TX, RX };
548 	/* Default offloads for all ports. */
549 	uint64_t rx_offloads = rx_mode.offloads;
550 	uint64_t tx_offloads = tx_mode.offloads;
551 	struct rte_eth_dev_info dev_info;
552 	uint16_t rec_nb_pkts;
553 
554 	static struct option lgopts[] = {
555 		{ "help",			0, 0, 0 },
556 #ifdef RTE_LIBRTE_CMDLINE
557 		{ "interactive",		0, 0, 0 },
558 		{ "cmdline-file",		1, 0, 0 },
559 		{ "auto-start",			0, 0, 0 },
560 		{ "eth-peers-configfile",	1, 0, 0 },
561 		{ "eth-peer",			1, 0, 0 },
562 #endif
563 		{ "tx-first",			0, 0, 0 },
564 		{ "stats-period",		1, 0, 0 },
565 		{ "ports",			1, 0, 0 },
566 		{ "nb-cores",			1, 0, 0 },
567 		{ "nb-ports",			1, 0, 0 },
568 		{ "coremask",			1, 0, 0 },
569 		{ "portmask",			1, 0, 0 },
570 		{ "numa",			0, 0, 0 },
571 		{ "no-numa",			0, 0, 0 },
572 		{ "mp-anon",			0, 0, 0 },
573 		{ "port-numa-config",           1, 0, 0 },
574 		{ "ring-numa-config",           1, 0, 0 },
575 		{ "socket-num",			1, 0, 0 },
576 		{ "mbuf-size",			1, 0, 0 },
577 		{ "total-num-mbufs",		1, 0, 0 },
578 		{ "max-pkt-len",		1, 0, 0 },
579 		{ "pkt-filter-mode",            1, 0, 0 },
580 		{ "pkt-filter-report-hash",     1, 0, 0 },
581 		{ "pkt-filter-size",            1, 0, 0 },
582 		{ "pkt-filter-drop-queue",      1, 0, 0 },
583 #ifdef RTE_LIBRTE_LATENCY_STATS
584 		{ "latencystats",               1, 0, 0 },
585 #endif
586 #ifdef RTE_LIBRTE_BITRATE
587 		{ "bitrate-stats",              1, 0, 0 },
588 #endif
589 		{ "disable-crc-strip",          0, 0, 0 },
590 		{ "enable-lro",                 0, 0, 0 },
591 		{ "enable-rx-cksum",            0, 0, 0 },
592 		{ "enable-rx-timestamp",        0, 0, 0 },
593 		{ "enable-scatter",             0, 0, 0 },
594 		{ "enable-hw-vlan",             0, 0, 0 },
595 		{ "enable-hw-vlan-filter",      0, 0, 0 },
596 		{ "enable-hw-vlan-strip",       0, 0, 0 },
597 		{ "enable-hw-vlan-extend",      0, 0, 0 },
598 		{ "enable-drop-en",            0, 0, 0 },
599 		{ "disable-rss",                0, 0, 0 },
600 		{ "port-topology",              1, 0, 0 },
601 		{ "forward-mode",               1, 0, 0 },
602 		{ "rss-ip",			0, 0, 0 },
603 		{ "rss-udp",			0, 0, 0 },
604 		{ "rxq",			1, 0, 0 },
605 		{ "txq",			1, 0, 0 },
606 		{ "rxd",			1, 0, 0 },
607 		{ "txd",			1, 0, 0 },
608 		{ "burst",			1, 0, 0 },
609 		{ "mbcache",			1, 0, 0 },
610 		{ "txpt",			1, 0, 0 },
611 		{ "txht",			1, 0, 0 },
612 		{ "txwt",			1, 0, 0 },
613 		{ "txfreet",			1, 0, 0 },
614 		{ "txrst",			1, 0, 0 },
615 		{ "rxpt",			1, 0, 0 },
616 		{ "rxht",			1, 0, 0 },
617 		{ "rxwt",			1, 0, 0 },
618 		{ "rxfreet",                    1, 0, 0 },
619 		{ "tx-queue-stats-mapping",	1, 0, 0 },
620 		{ "rx-queue-stats-mapping",	1, 0, 0 },
621 		{ "no-flush-rx",	0, 0, 0 },
622 		{ "flow-isolate-all",	        0, 0, 0 },
623 		{ "txpkts",			1, 0, 0 },
624 		{ "disable-link-check",		0, 0, 0 },
625 		{ "no-lsc-interrupt",		0, 0, 0 },
626 		{ "no-rmv-interrupt",		0, 0, 0 },
627 		{ "print-event",		1, 0, 0 },
628 		{ "mask-event",			1, 0, 0 },
629 		{ "tx-offloads",		1, 0, 0 },
630 		{ "hot-plug",			0, 0, 0 },
631 		{ "vxlan-gpe-port",		1, 0, 0 },
632 		{ 0, 0, 0, 0 },
633 	};
634 
635 	argvopt = argv;
636 
637 #ifdef RTE_LIBRTE_CMDLINE
638 #define SHORTOPTS "i"
639 #else
640 #define SHORTOPTS ""
641 #endif
642 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
643 				 lgopts, &opt_idx)) != EOF) {
644 		switch (opt) {
645 #ifdef RTE_LIBRTE_CMDLINE
646 		case 'i':
647 			printf("Interactive-mode selected\n");
648 			interactive = 1;
649 			break;
650 #endif
651 		case 'a':
652 			printf("Auto-start selected\n");
653 			auto_start = 1;
654 			break;
655 
656 		case 0: /*long options */
657 			if (!strcmp(lgopts[opt_idx].name, "help")) {
658 				usage(argv[0]);
659 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
660 			}
661 #ifdef RTE_LIBRTE_CMDLINE
662 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
663 				printf("Interactive-mode selected\n");
664 				interactive = 1;
665 			}
666 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
667 				printf("CLI commands to be read from %s\n",
668 				       optarg);
669 				strlcpy(cmdline_filename, optarg,
670 					sizeof(cmdline_filename));
671 			}
672 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
673 				printf("Auto-start selected\n");
674 				auto_start = 1;
675 			}
676 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
677 				printf("Ports to start sending a burst of "
678 						"packets first\n");
679 				tx_first = 1;
680 			}
681 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
682 				char *end = NULL;
683 				unsigned int n;
684 
685 				n = strtoul(optarg, &end, 10);
686 				if ((optarg[0] == '\0') || (end == NULL) ||
687 						(*end != '\0'))
688 					break;
689 
690 				stats_period = n;
691 				break;
692 			}
693 			if (!strcmp(lgopts[opt_idx].name,
694 				    "eth-peers-configfile")) {
695 				if (init_peer_eth_addrs(optarg) != 0)
696 					rte_exit(EXIT_FAILURE,
697 						 "Cannot open logfile\n");
698 			}
699 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
700 				char *port_end;
701 				uint8_t c, peer_addr[6];
702 
703 				errno = 0;
704 				n = strtoul(optarg, &port_end, 10);
705 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
706 					rte_exit(EXIT_FAILURE,
707 						 "Invalid eth-peer: %s", optarg);
708 				if (n >= RTE_MAX_ETHPORTS)
709 					rte_exit(EXIT_FAILURE,
710 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
711 						 n, RTE_MAX_ETHPORTS);
712 
713 				if (cmdline_parse_etheraddr(NULL, port_end,
714 						&peer_addr, sizeof(peer_addr)) < 0)
715 					rte_exit(EXIT_FAILURE,
716 						 "Invalid ethernet address: %s\n",
717 						 port_end);
718 				for (c = 0; c < 6; c++)
719 					peer_eth_addrs[n].addr_bytes[c] =
720 						peer_addr[c];
721 				nb_peer_eth_addrs++;
722 			}
723 #endif
724 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
725 				n = atoi(optarg);
726 				if (n > 0 && n <= nb_ports)
727 					nb_fwd_ports = n;
728 				else
729 					rte_exit(EXIT_FAILURE,
730 						 "Invalid port %d\n", n);
731 			}
732 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
733 				n = atoi(optarg);
734 				if (n > 0 && n <= nb_lcores)
735 					nb_fwd_lcores = (uint8_t) n;
736 				else
737 					rte_exit(EXIT_FAILURE,
738 						 "nb-cores should be > 0 and <= %d\n",
739 						 nb_lcores);
740 			}
741 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
742 				parse_fwd_coremask(optarg);
743 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
744 				parse_fwd_portmask(optarg);
745 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
746 				numa_support = 0;
747 			if (!strcmp(lgopts[opt_idx].name, "numa"))
748 				numa_support = 1;
749 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
750 				mp_anon = 1;
751 			}
752 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
753 				if (parse_portnuma_config(optarg))
754 					rte_exit(EXIT_FAILURE,
755 					   "invalid port-numa configuration\n");
756 			}
757 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
758 				if (parse_ringnuma_config(optarg))
759 					rte_exit(EXIT_FAILURE,
760 					   "invalid ring-numa configuration\n");
761 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
762 				n = atoi(optarg);
763 				if (!new_socket_id((uint8_t)n)) {
764 					socket_num = (uint8_t)n;
765 				} else {
766 					print_invalid_socket_id_error();
767 					rte_exit(EXIT_FAILURE,
768 						"Invalid socket id");
769 				}
770 			}
771 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
772 				n = atoi(optarg);
773 				if (n > 0 && n <= 0xFFFF)
774 					mbuf_data_size = (uint16_t) n;
775 				else
776 					rte_exit(EXIT_FAILURE,
777 						 "mbuf-size should be > 0 and < 65536\n");
778 			}
779 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
780 				n = atoi(optarg);
781 				if (n > 1024)
782 					param_total_num_mbufs = (unsigned)n;
783 				else
784 					rte_exit(EXIT_FAILURE,
785 						 "total-num-mbufs should be > 1024\n");
786 			}
787 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
788 				n = atoi(optarg);
789 				if (n >= ETHER_MIN_LEN) {
790 					rx_mode.max_rx_pkt_len = (uint32_t) n;
791 					if (n > ETHER_MAX_LEN)
792 						rx_offloads |=
793 							DEV_RX_OFFLOAD_JUMBO_FRAME;
794 				} else
795 					rte_exit(EXIT_FAILURE,
796 						 "Invalid max-pkt-len=%d - should be > %d\n",
797 						 n, ETHER_MIN_LEN);
798 			}
799 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
800 				if (!strcmp(optarg, "signature"))
801 					fdir_conf.mode =
802 						RTE_FDIR_MODE_SIGNATURE;
803 				else if (!strcmp(optarg, "perfect"))
804 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
805 				else if (!strcmp(optarg, "perfect-mac-vlan"))
806 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
807 				else if (!strcmp(optarg, "perfect-tunnel"))
808 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
809 				else if (!strcmp(optarg, "none"))
810 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
811 				else
812 					rte_exit(EXIT_FAILURE,
813 						 "pkt-mode-invalid %s invalid - must be: "
814 						 "none, signature, perfect, perfect-mac-vlan"
815 						 " or perfect-tunnel\n",
816 						 optarg);
817 			}
818 			if (!strcmp(lgopts[opt_idx].name,
819 				    "pkt-filter-report-hash")) {
820 				if (!strcmp(optarg, "none"))
821 					fdir_conf.status =
822 						RTE_FDIR_NO_REPORT_STATUS;
823 				else if (!strcmp(optarg, "match"))
824 					fdir_conf.status =
825 						RTE_FDIR_REPORT_STATUS;
826 				else if (!strcmp(optarg, "always"))
827 					fdir_conf.status =
828 						RTE_FDIR_REPORT_STATUS_ALWAYS;
829 				else
830 					rte_exit(EXIT_FAILURE,
831 						 "pkt-filter-report-hash %s invalid "
832 						 "- must be: none or match or always\n",
833 						 optarg);
834 			}
835 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
836 				if (!strcmp(optarg, "64K"))
837 					fdir_conf.pballoc =
838 						RTE_FDIR_PBALLOC_64K;
839 				else if (!strcmp(optarg, "128K"))
840 					fdir_conf.pballoc =
841 						RTE_FDIR_PBALLOC_128K;
842 				else if (!strcmp(optarg, "256K"))
843 					fdir_conf.pballoc =
844 						RTE_FDIR_PBALLOC_256K;
845 				else
846 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
847 						 " must be: 64K or 128K or 256K\n",
848 						 optarg);
849 			}
850 			if (!strcmp(lgopts[opt_idx].name,
851 				    "pkt-filter-drop-queue")) {
852 				n = atoi(optarg);
853 				if (n >= 0)
854 					fdir_conf.drop_queue = (uint8_t) n;
855 				else
856 					rte_exit(EXIT_FAILURE,
857 						 "drop queue %d invalid - must"
858 						 "be >= 0 \n", n);
859 			}
860 #ifdef RTE_LIBRTE_LATENCY_STATS
861 			if (!strcmp(lgopts[opt_idx].name,
862 				    "latencystats")) {
863 				n = atoi(optarg);
864 				if (n >= 0) {
865 					latencystats_lcore_id = (lcoreid_t) n;
866 					latencystats_enabled = 1;
867 				} else
868 					rte_exit(EXIT_FAILURE,
869 						 "invalid lcore id %d for latencystats"
870 						 " must be >= 0\n", n);
871 			}
872 #endif
873 #ifdef RTE_LIBRTE_BITRATE
874 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
875 				n = atoi(optarg);
876 				if (n >= 0) {
877 					bitrate_lcore_id = (lcoreid_t) n;
878 					bitrate_enabled = 1;
879 				} else
880 					rte_exit(EXIT_FAILURE,
881 						 "invalid lcore id %d for bitrate stats"
882 						 " must be >= 0\n", n);
883 			}
884 #endif
885 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
886 				rx_offloads &= ~DEV_RX_OFFLOAD_CRC_STRIP;
887 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
888 				rx_offloads |= DEV_RX_OFFLOAD_TCP_LRO;
889 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
890 				rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
891 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
892 				rx_offloads |= DEV_RX_OFFLOAD_CHECKSUM;
893 			if (!strcmp(lgopts[opt_idx].name,
894 					"enable-rx-timestamp"))
895 				rx_offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
896 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
897 				rx_offloads |= DEV_RX_OFFLOAD_VLAN;
898 
899 			if (!strcmp(lgopts[opt_idx].name,
900 					"enable-hw-vlan-filter"))
901 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
902 
903 			if (!strcmp(lgopts[opt_idx].name,
904 					"enable-hw-vlan-strip"))
905 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
906 
907 			if (!strcmp(lgopts[opt_idx].name,
908 					"enable-hw-vlan-extend"))
909 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
910 
911 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
912 				rx_drop_en = 1;
913 
914 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
915 				rss_hf = 0;
916 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
917 				if (!strcmp(optarg, "paired"))
918 					port_topology = PORT_TOPOLOGY_PAIRED;
919 				else if (!strcmp(optarg, "chained"))
920 					port_topology = PORT_TOPOLOGY_CHAINED;
921 				else if (!strcmp(optarg, "loop"))
922 					port_topology = PORT_TOPOLOGY_LOOP;
923 				else
924 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
925 						 " must be: paired, chained or loop\n",
926 						 optarg);
927 			}
928 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
929 				set_pkt_forwarding_mode(optarg);
930 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
931 				rss_hf = ETH_RSS_IP;
932 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
933 				rss_hf = ETH_RSS_UDP;
934 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
935 				n = atoi(optarg);
936 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
937 					nb_rxq = (queueid_t) n;
938 				else
939 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
940 						  " >= 0 && <= %u\n", n,
941 						  get_allowed_max_nb_rxq(&pid));
942 			}
943 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
944 				n = atoi(optarg);
945 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
946 					nb_txq = (queueid_t) n;
947 				else
948 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
949 						  " >= 0 && <= %u\n", n,
950 						  get_allowed_max_nb_txq(&pid));
951 			}
952 			if (!nb_rxq && !nb_txq) {
953 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
954 						"be non-zero\n");
955 			}
956 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
957 				n = atoi(optarg);
958 				if (n == 0) {
959 					/* A burst size of zero means that the
960 					 * PMD should be queried for
961 					 * recommended Rx burst size. Since
962 					 * testpmd uses a single size for all
963 					 * ports, port 0 is queried for the
964 					 * value, on the assumption that all
965 					 * ports are of the same NIC model.
966 					 */
967 					rte_eth_dev_info_get(0, &dev_info);
968 					rec_nb_pkts = dev_info
969 						.default_rxportconf.burst_size;
970 
971 					if (rec_nb_pkts == 0)
972 						rte_exit(EXIT_FAILURE,
973 							"PMD does not recommend a burst size. "
974 							"Provided value must be between "
975 							"1 and %d\n", MAX_PKT_BURST);
976 					else if (rec_nb_pkts > MAX_PKT_BURST)
977 						rte_exit(EXIT_FAILURE,
978 							"PMD recommended burst size of %d"
979 							" exceeds maximum value of %d\n",
980 							rec_nb_pkts, MAX_PKT_BURST);
981 					printf("Using PMD-provided burst value of %d\n",
982 						rec_nb_pkts);
983 					nb_pkt_per_burst = rec_nb_pkts;
984 				} else if (n > MAX_PKT_BURST)
985 					rte_exit(EXIT_FAILURE,
986 						"burst must be between1 and %d\n",
987 						MAX_PKT_BURST);
988 				else
989 					nb_pkt_per_burst = (uint16_t) n;
990 			}
991 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
992 				n = atoi(optarg);
993 				if ((n >= 0) &&
994 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
995 					mb_mempool_cache = (uint16_t) n;
996 				else
997 					rte_exit(EXIT_FAILURE,
998 						 "mbcache must be >= 0 and <= %d\n",
999 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1000 			}
1001 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1002 				n = atoi(optarg);
1003 				if (n >= 0)
1004 					tx_free_thresh = (int16_t)n;
1005 				else
1006 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1007 			}
1008 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1009 				n = atoi(optarg);
1010 				if (n >= 0)
1011 					tx_rs_thresh = (int16_t)n;
1012 				else
1013 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1014 			}
1015 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1016 				n = atoi(optarg);
1017 				if (n > 0) {
1018 					if (rx_free_thresh >= n)
1019 						rte_exit(EXIT_FAILURE,
1020 							 "rxd must be > "
1021 							 "rx_free_thresh(%d)\n",
1022 							 (int)rx_free_thresh);
1023 					else
1024 						nb_rxd = (uint16_t) n;
1025 				} else
1026 					rte_exit(EXIT_FAILURE,
1027 						 "rxd(%d) invalid - must be > 0\n",
1028 						 n);
1029 			}
1030 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1031 				n = atoi(optarg);
1032 				if (n > 0)
1033 					nb_txd = (uint16_t) n;
1034 				else
1035 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1036 			}
1037 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1038 				n = atoi(optarg);
1039 				if (n >= 0)
1040 					tx_pthresh = (int8_t)n;
1041 				else
1042 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1043 			}
1044 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1045 				n = atoi(optarg);
1046 				if (n >= 0)
1047 					tx_hthresh = (int8_t)n;
1048 				else
1049 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1050 			}
1051 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1052 				n = atoi(optarg);
1053 				if (n >= 0)
1054 					tx_wthresh = (int8_t)n;
1055 				else
1056 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1057 			}
1058 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1059 				n = atoi(optarg);
1060 				if (n >= 0)
1061 					rx_pthresh = (int8_t)n;
1062 				else
1063 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1064 			}
1065 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1066 				n = atoi(optarg);
1067 				if (n >= 0)
1068 					rx_hthresh = (int8_t)n;
1069 				else
1070 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1071 			}
1072 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1073 				n = atoi(optarg);
1074 				if (n >= 0)
1075 					rx_wthresh = (int8_t)n;
1076 				else
1077 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1078 			}
1079 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1080 				n = atoi(optarg);
1081 				if (n >= 0)
1082 					rx_free_thresh = (int16_t)n;
1083 				else
1084 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1085 			}
1086 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1087 				if (parse_queue_stats_mapping_config(optarg, TX)) {
1088 					rte_exit(EXIT_FAILURE,
1089 						 "invalid TX queue statistics mapping config entered\n");
1090 				}
1091 			}
1092 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1093 				if (parse_queue_stats_mapping_config(optarg, RX)) {
1094 					rte_exit(EXIT_FAILURE,
1095 						 "invalid RX queue statistics mapping config entered\n");
1096 				}
1097 			}
1098 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1099 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1100 				unsigned int nb_segs;
1101 
1102 				nb_segs = parse_item_list(optarg, "txpkt segments",
1103 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1104 				if (nb_segs > 0)
1105 					set_tx_pkt_segments(seg_lengths, nb_segs);
1106 				else
1107 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1108 			}
1109 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1110 				no_flush_rx = 1;
1111 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1112 				no_link_check = 1;
1113 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1114 				lsc_interrupt = 0;
1115 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1116 				rmv_interrupt = 0;
1117 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1118 				flow_isolate_all = 1;
1119 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1120 				char *end = NULL;
1121 				n = strtoull(optarg, &end, 16);
1122 				if (n >= 0)
1123 					tx_offloads = (uint64_t)n;
1124 				else
1125 					rte_exit(EXIT_FAILURE,
1126 						 "tx-offloads must be >= 0\n");
1127 			}
1128 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1129 				n = atoi(optarg);
1130 				if (n >= 0)
1131 					vxlan_gpe_udp_port = (uint16_t)n;
1132 				else
1133 					rte_exit(EXIT_FAILURE,
1134 						 "vxlan-gpe-port must be >= 0\n");
1135 			}
1136 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1137 				if (parse_event_printing_config(optarg, 1)) {
1138 					rte_exit(EXIT_FAILURE,
1139 						 "invalid print-event argument\n");
1140 				}
1141 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1142 				if (parse_event_printing_config(optarg, 0)) {
1143 					rte_exit(EXIT_FAILURE,
1144 						 "invalid mask-event argument\n");
1145 				}
1146 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1147 				hot_plug = 1;
1148 			break;
1149 		case 'h':
1150 			usage(argv[0]);
1151 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
1152 			break;
1153 		default:
1154 			usage(argv[0]);
1155 			rte_exit(EXIT_FAILURE,
1156 				 "Command line is incomplete or incorrect\n");
1157 			break;
1158 		}
1159 	}
1160 
1161 	/* Set offload configuration from command line parameters. */
1162 	rx_mode.offloads = rx_offloads;
1163 	tx_mode.offloads = tx_offloads;
1164 }
1165