xref: /dpdk/app/test-pmd/parameters.c (revision 6fe5f2f74f2e008c184ee01a0f6f224935ad9bb6)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
5  *   All rights reserved.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of Intel Corporation nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include <errno.h>
35 #include <getopt.h>
36 #include <stdarg.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <signal.h>
40 #include <string.h>
41 #include <time.h>
42 #include <fcntl.h>
43 #include <sys/types.h>
44 #include <errno.h>
45 
46 #include <sys/queue.h>
47 #include <sys/stat.h>
48 
49 #include <stdint.h>
50 #include <unistd.h>
51 #include <inttypes.h>
52 
53 #include <rte_common.h>
54 #include <rte_byteorder.h>
55 #include <rte_log.h>
56 #include <rte_debug.h>
57 #include <rte_cycles.h>
58 #include <rte_memory.h>
59 #include <rte_memzone.h>
60 #include <rte_launch.h>
61 #include <rte_tailq.h>
62 #include <rte_eal.h>
63 #include <rte_per_lcore.h>
64 #include <rte_lcore.h>
65 #include <rte_atomic.h>
66 #include <rte_branch_prediction.h>
67 #include <rte_ring.h>
68 #include <rte_mempool.h>
69 #include <rte_interrupts.h>
70 #include <rte_pci.h>
71 #include <rte_ether.h>
72 #include <rte_ethdev.h>
73 #include <rte_string_fns.h>
74 #ifdef RTE_LIBRTE_CMDLINE
75 #include <cmdline_parse.h>
76 #include <cmdline_parse_etheraddr.h>
77 #endif
78 #ifdef RTE_LIBRTE_PMD_BOND
79 #include <rte_eth_bond.h>
80 #endif
81 
82 #include "testpmd.h"
83 
84 static void
85 usage(char* progname)
86 {
87 	printf("usage: %s "
88 #ifdef RTE_LIBRTE_CMDLINE
89 	       "[--interactive|-i] "
90 #endif
91 	       "[--help|-h] | [--auto-start|-a] | ["
92 	       "--coremask=COREMASK --portmask=PORTMASK --numa "
93 	       "--mbuf-size= | --total-num-mbufs= | "
94 	       "--nb-cores= | --nb-ports= | "
95 #ifdef RTE_LIBRTE_CMDLINE
96 	       "--eth-peers-configfile= | "
97 	       "--eth-peer=X,M:M:M:M:M:M | "
98 #endif
99 	       "--pkt-filter-mode= |"
100 	       "--rss-ip | --rss-udp | "
101 	       "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
102 	       "--txpt= | --txht= | --txwt= | --txfreet= | "
103 	       "--txrst= | --txqflags= ]\n",
104 	       progname);
105 #ifdef RTE_LIBRTE_CMDLINE
106 	printf("  --interactive: run in interactive mode.\n");
107 #endif
108 	printf("  --auto-start: start forwarding on init "
109 	       "[always when non-interactive].\n");
110 	printf("  --help: display this message and quit.\n");
111 	printf("  --nb-cores=N: set the number of forwarding cores "
112 	       "(1 <= N <= %d).\n", nb_lcores);
113 	printf("  --nb-ports=N: set the number of forwarding ports "
114 	       "(1 <= N <= %d).\n", nb_ports);
115 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
116 	       "the packet forwarding test. The master lcore is reserved for "
117 	       "command line parsing only, and cannot be masked on for "
118 	       "packet forwarding.\n");
119 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
120 	       "by the packet forwarding test.\n");
121 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
122 	       "RX memory buffers (mbufs).\n");
123 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
124 	       "specify the socket on which the memory pool "
125 	       "used by the port will be allocated.\n");
126 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
127 	       "specify the socket on which the TX/RX rings for "
128 	       "the port will be allocated "
129 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
130 	printf("  --socket-num=N: set socket from which all memory is allocated "
131 	       "in NUMA mode.\n");
132 	printf("  --mbuf-size=N: set the data size of mbuf to N bytes.\n");
133 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
134 	       "in mbuf pools.\n");
135 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
136 #ifdef RTE_LIBRTE_CMDLINE
137 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
138 	       "of peer ports.\n");
139 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
140 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
141 #endif
142 	printf("  --pkt-filter-mode=N: set Flow Director mode "
143 	       "(N: none (default mode) or signature or perfect).\n");
144 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
145 	       "(N: none  or match (default) or always).\n");
146 	printf("  --pkt-filter-size=N: set Flow Director mode "
147 	       "(N: 64K (default mode) or 128K or 256K).\n");
148 	printf("  --pkt-filter-flexbytes-offset=N: set flexbytes-offset. "
149 	       "The offset is defined in word units counted from the "
150 	       "first byte of the destination Ethernet MAC address. "
151 	       "0 <= N <= 32.\n");
152 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
153 	       "In perfect mode, when you add a rule with queue = -1 "
154 	       "the packet will be enqueued into the rx drop-queue. "
155 	       "If the drop-queue doesn't exist, the packet is dropped. "
156 	       "By default drop-queue=127.\n");
157 	printf("  --crc-strip: enable CRC stripping by hardware.\n");
158 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
159 	printf("  --disable-hw-vlan: disable hardware vlan.\n");
160 	printf("  --enable-drop-en: enable per queue packet drop.\n");
161 	printf("  --disable-rss: disable rss.\n");
162 	printf("  --port-topology=N: set port topology (N: paired (default) or "
163 	       "chained).\n");
164 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
165 	       list_pkt_forwarding_modes());
166 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
167 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
168 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
169 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
170 	printf("  --txq=N: set the number of TX queues per port to N.\n");
171 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
172 	printf("  --burst=N: set the number of packets per burst to N.\n");
173 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
174 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N "
175 	       "(0 <= N <= 16).\n");
176 	printf("  --rxht=N: set the host threshold register of RX rings to N "
177 	       "(0 <= N <= 16).\n");
178 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
179 	       "(0 <= N < value of rxd).\n");
180 	printf("  --rxwt=N: set the write-back threshold register of RX rings "
181 	       "to N (0 <= N <= 16).\n");
182 	printf("  --txpt=N: set the prefetch threshold register of TX rings "
183 	       "to N (0 <= N <= 16).\n");
184 	printf("  --txht=N: set the nhost threshold register of TX rings to N "
185 	       "(0 <= N <= 16).\n");
186 	printf("  --txwt=N: set the write-back threshold register of TX rings "
187 	       "to N (0 <= N <= 16).\n");
188 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
189 	       "(0 <= N <= value of txd).\n");
190 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
191 	       "(0 <= N <= value of txd).\n");
192 	printf("  --txqflags=0xXXXXXXXX: hexadecimal bitmask of TX queue flags "
193 	       "(0 <= N <= 0x7FFFFFFF).\n");
194 	printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
195 	       "tx queues statistics counters mapping "
196 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
197 	printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
198 	       "rx queues statistics counters mapping "
199 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
200 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
201 	       " Used mainly with PCAP drivers.\n");
202 	printf("  --txpkts=X[,Y]*: set TX segment sizes.\n");
203 	printf("  --disable-link-check: disable check on link status when "
204 	       "starting/stopping ports.\n");
205 }
206 
207 #ifdef RTE_LIBRTE_CMDLINE
208 static int
209 init_peer_eth_addrs(char *config_filename)
210 {
211 	FILE *config_file;
212 	portid_t i;
213 	char buf[50];
214 
215 	config_file = fopen(config_filename, "r");
216 	if (config_file == NULL) {
217 		perror("Failed to open eth config file\n");
218 		return -1;
219 	}
220 
221 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
222 
223 		if (fgets(buf, sizeof(buf), config_file) == NULL)
224 			break;
225 
226 		if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i],
227 				sizeof(peer_eth_addrs[i])) < 0) {
228 			printf("Bad MAC address format on line %d\n", i+1);
229 			fclose(config_file);
230 			return -1;
231 		}
232 	}
233 	fclose(config_file);
234 	nb_peer_eth_addrs = (portid_t) i;
235 	return 0;
236 }
237 #endif
238 
239 /*
240  * Parse the coremask given as argument (hexadecimal string) and set
241  * the global configuration of forwarding cores.
242  */
243 static void
244 parse_fwd_coremask(const char *coremask)
245 {
246 	char *end;
247 	unsigned long long int cm;
248 
249 	/* parse hexadecimal string */
250 	end = NULL;
251 	cm = strtoull(coremask, &end, 16);
252 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
253 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
254 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
255 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
256 }
257 
258 /*
259  * Parse the coremask given as argument (hexadecimal string) and set
260  * the global configuration of forwarding cores.
261  */
262 static void
263 parse_fwd_portmask(const char *portmask)
264 {
265 	char *end;
266 	unsigned long long int pm;
267 
268 	/* parse hexadecimal string */
269 	end = NULL;
270 	pm = strtoull(portmask, &end, 16);
271 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
272 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
273 	else
274 		set_fwd_ports_mask((uint64_t) pm);
275 }
276 
277 
278 static int
279 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
280 {
281 	char s[256];
282 	const char *p, *p0 = q_arg;
283 	char *end;
284 	enum fieldnames {
285 		FLD_PORT = 0,
286 		FLD_QUEUE,
287 		FLD_STATS_COUNTER,
288 		_NUM_FLD
289 	};
290 	unsigned long int_fld[_NUM_FLD];
291 	char *str_fld[_NUM_FLD];
292 	int i;
293 	unsigned size;
294 
295 	/* reset from value set at definition */
296 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
297 
298 	while ((p = strchr(p0,'(')) != NULL) {
299 		++p;
300 		if((p0 = strchr(p,')')) == NULL)
301 			return -1;
302 
303 		size = p0 - p;
304 		if(size >= sizeof(s))
305 			return -1;
306 
307 		snprintf(s, sizeof(s), "%.*s", size, p);
308 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
309 			return -1;
310 		for (i = 0; i < _NUM_FLD; i++){
311 			errno = 0;
312 			int_fld[i] = strtoul(str_fld[i], &end, 0);
313 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
314 				return -1;
315 		}
316 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
317 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
318 			printf("Stats counter not in the correct range 0..%d\n",
319 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
320 			return -1;
321 		}
322 
323 		if (!is_rx) {
324 			if ((nb_tx_queue_stats_mappings >=
325 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
326 				printf("exceeded max number of TX queue "
327 						"statistics mappings: %hu\n",
328 						nb_tx_queue_stats_mappings);
329 				return -1;
330 			}
331 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
332 				(uint8_t)int_fld[FLD_PORT];
333 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
334 				(uint8_t)int_fld[FLD_QUEUE];
335 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
336 				(uint8_t)int_fld[FLD_STATS_COUNTER];
337 			++nb_tx_queue_stats_mappings;
338 		}
339 		else {
340 			if ((nb_rx_queue_stats_mappings >=
341 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
342 				printf("exceeded max number of RX queue "
343 						"statistics mappings: %hu\n",
344 						nb_rx_queue_stats_mappings);
345 				return -1;
346 			}
347 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
348 				(uint8_t)int_fld[FLD_PORT];
349 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
350 				(uint8_t)int_fld[FLD_QUEUE];
351 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
352 				(uint8_t)int_fld[FLD_STATS_COUNTER];
353 			++nb_rx_queue_stats_mappings;
354 		}
355 
356 	}
357 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
358 /* than to the default array (that was set at its definition) */
359 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
360 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
361 	return 0;
362 }
363 
364 static int
365 parse_portnuma_config(const char *q_arg)
366 {
367 	char s[256];
368 	const char *p, *p0 = q_arg;
369 	char *end;
370 	uint8_t i,port_id,socket_id;
371 	unsigned size;
372 	enum fieldnames {
373 		FLD_PORT = 0,
374 		FLD_SOCKET,
375 		_NUM_FLD
376 	};
377 	unsigned long int_fld[_NUM_FLD];
378 	char *str_fld[_NUM_FLD];
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 = (uint8_t)int_fld[FLD_PORT];
400 		if (port_id >= nb_ports) {
401 			printf("Invalid port, range is [0, %d]\n", nb_ports - 1);
402 			return -1;
403 		}
404 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
405 		if(socket_id >= MAX_SOCKET) {
406 			printf("Invalid socket id, range is [0, %d]\n",
407 				 MAX_SOCKET - 1);
408 			return -1;
409 		}
410 		port_numa[port_id] = socket_id;
411 	}
412 
413 	return 0;
414 }
415 
416 static int
417 parse_ringnuma_config(const char *q_arg)
418 {
419 	char s[256];
420 	const char *p, *p0 = q_arg;
421 	char *end;
422 	uint8_t i,port_id,ring_flag,socket_id;
423 	unsigned size;
424 	enum fieldnames {
425 		FLD_PORT = 0,
426 		FLD_FLAG,
427 		FLD_SOCKET,
428 		_NUM_FLD
429 	};
430 	unsigned long int_fld[_NUM_FLD];
431 	char *str_fld[_NUM_FLD];
432 	#define RX_RING_ONLY 0x1
433 	#define TX_RING_ONLY 0x2
434 	#define RXTX_RING    0x3
435 
436 	/* reset from value set at definition */
437 	while ((p = strchr(p0,'(')) != NULL) {
438 		++p;
439 		if((p0 = strchr(p,')')) == NULL)
440 			return -1;
441 
442 		size = p0 - p;
443 		if(size >= sizeof(s))
444 			return -1;
445 
446 		snprintf(s, sizeof(s), "%.*s", size, p);
447 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
448 			return -1;
449 		for (i = 0; i < _NUM_FLD; i++) {
450 			errno = 0;
451 			int_fld[i] = strtoul(str_fld[i], &end, 0);
452 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
453 				return -1;
454 		}
455 		port_id = (uint8_t)int_fld[FLD_PORT];
456 		if (port_id >= nb_ports) {
457 			printf("Invalid port, range is [0, %d]\n", nb_ports - 1);
458 			return -1;
459 		}
460 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
461 		if (socket_id >= MAX_SOCKET) {
462 			printf("Invalid socket id, range is [0, %d]\n",
463 				MAX_SOCKET - 1);
464 			return -1;
465 		}
466 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
467 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
468 			printf("Invalid ring-flag=%d config for port =%d\n",
469 				ring_flag,port_id);
470 			return -1;
471 		}
472 
473 		switch (ring_flag & RXTX_RING) {
474 		case RX_RING_ONLY:
475 			rxring_numa[port_id] = socket_id;
476 			break;
477 		case TX_RING_ONLY:
478 			txring_numa[port_id] = socket_id;
479 			break;
480 		case RXTX_RING:
481 			rxring_numa[port_id] = socket_id;
482 			txring_numa[port_id] = socket_id;
483 			break;
484 		default:
485 			printf("Invalid ring-flag=%d config for port=%d\n",
486 				ring_flag,port_id);
487 			break;
488 		}
489 	}
490 
491 	return 0;
492 }
493 
494 static unsigned int
495 parse_item_list(char* str, unsigned int max_items, unsigned int *parsed_items)
496 {
497 	unsigned int nb_item;
498 	unsigned int value;
499 	unsigned int i;
500 	int value_ok;
501 	char c;
502 
503 	/*
504 	 * First parse all items in the list and store their value.
505 	 */
506 	value = 0;
507 	nb_item = 0;
508 	value_ok = 0;
509 	for (i = 0; i < strlen(str); i++) {
510 		c = str[i];
511 		if ((c >= '0') && (c <= '9')) {
512 			value = (unsigned int) (value * 10 + (c - '0'));
513 			value_ok = 1;
514 			continue;
515 		}
516 		if (c != ',') {
517 			printf("character %c is not a decimal digit\n", c);
518 			return (0);
519 		}
520 		if (! value_ok) {
521 			printf("No valid value before comma\n");
522 			return (0);
523 		}
524 		if (nb_item < max_items) {
525 			parsed_items[nb_item] = value;
526 			value_ok = 0;
527 			value = 0;
528 		}
529 		nb_item++;
530 	}
531 
532 	if (nb_item >= max_items)
533 		rte_exit(EXIT_FAILURE, "too many txpkt segments!\n");
534 
535 	parsed_items[nb_item++] = value;
536 
537 	return (nb_item);
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 	enum { TX, RX };
547 
548 	static struct option lgopts[] = {
549 		{ "help",			0, 0, 0 },
550 #ifdef RTE_LIBRTE_CMDLINE
551 		{ "interactive",		0, 0, 0 },
552 		{ "auto-start",			0, 0, 0 },
553 		{ "eth-peers-configfile",	1, 0, 0 },
554 		{ "eth-peer",			1, 0, 0 },
555 #endif
556 		{ "ports",			1, 0, 0 },
557 		{ "nb-cores",			1, 0, 0 },
558 		{ "nb-ports",			1, 0, 0 },
559 		{ "coremask",			1, 0, 0 },
560 		{ "portmask",			1, 0, 0 },
561 		{ "numa",			0, 0, 0 },
562 		{ "mp-anon",			0, 0, 0 },
563 		{ "port-numa-config",           1, 0, 0 },
564 		{ "ring-numa-config",           1, 0, 0 },
565 		{ "socket-num",			1, 0, 0 },
566 		{ "mbuf-size",			1, 0, 0 },
567 		{ "total-num-mbufs",		1, 0, 0 },
568 		{ "max-pkt-len",		1, 0, 0 },
569 		{ "pkt-filter-mode",            1, 0, 0 },
570 		{ "pkt-filter-report-hash",     1, 0, 0 },
571 		{ "pkt-filter-size",            1, 0, 0 },
572 		{ "pkt-filter-flexbytes-offset",1, 0, 0 },
573 		{ "pkt-filter-drop-queue",      1, 0, 0 },
574 		{ "crc-strip",                  0, 0, 0 },
575 		{ "enable-rx-cksum",            0, 0, 0 },
576 		{ "disable-hw-vlan",            0, 0, 0 },
577 		{ "enable-drop-en",            0, 0, 0 },
578 		{ "disable-rss",                0, 0, 0 },
579 		{ "port-topology",              1, 0, 0 },
580 		{ "forward-mode",               1, 0, 0 },
581 		{ "rss-ip",			0, 0, 0 },
582 		{ "rss-udp",			0, 0, 0 },
583 		{ "rxq",			1, 0, 0 },
584 		{ "txq",			1, 0, 0 },
585 		{ "rxd",			1, 0, 0 },
586 		{ "txd",			1, 0, 0 },
587 		{ "burst",			1, 0, 0 },
588 		{ "mbcache",			1, 0, 0 },
589 		{ "txpt",			1, 0, 0 },
590 		{ "txht",			1, 0, 0 },
591 		{ "txwt",			1, 0, 0 },
592 		{ "txfreet",			1, 0, 0 },
593 		{ "txrst",			1, 0, 0 },
594 		{ "txqflags",			1, 0, 0 },
595 		{ "rxpt",			1, 0, 0 },
596 		{ "rxht",			1, 0, 0 },
597 		{ "rxwt",			1, 0, 0 },
598 		{ "rxfreet",                    1, 0, 0 },
599 		{ "tx-queue-stats-mapping",	1, 0, 0 },
600 		{ "rx-queue-stats-mapping",	1, 0, 0 },
601 		{ "no-flush-rx",	0, 0, 0 },
602 		{ "txpkts",			1, 0, 0 },
603 		{ "disable-link-check",		0, 0, 0 },
604 		{ 0, 0, 0, 0 },
605 	};
606 
607 	argvopt = argv;
608 
609 #ifdef RTE_LIBRTE_CMDLINE
610 #define SHORTOPTS "i"
611 #else
612 #define SHORTOPTS ""
613 #endif
614 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
615 				 lgopts, &opt_idx)) != EOF) {
616 		switch (opt) {
617 #ifdef RTE_LIBRTE_CMDLINE
618 		case 'i':
619 			printf("Interactive-mode selected\n");
620 			interactive = 1;
621 			break;
622 #endif
623 		case 'a':
624 			printf("Auto-start selected\n");
625 			auto_start = 1;
626 			break;
627 
628 		case 0: /*long options */
629 			if (!strcmp(lgopts[opt_idx].name, "help")) {
630 				usage(argv[0]);
631 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
632 			}
633 #ifdef RTE_LIBRTE_CMDLINE
634 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
635 				printf("Interactive-mode selected\n");
636 				interactive = 1;
637 			}
638 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
639 				printf("Auto-start selected\n");
640 				auto_start = 1;
641 			}
642 			if (!strcmp(lgopts[opt_idx].name,
643 				    "eth-peers-configfile")) {
644 				if (init_peer_eth_addrs(optarg) != 0)
645 					rte_exit(EXIT_FAILURE,
646 						 "Cannot open logfile\n");
647 			}
648 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
649 				char *port_end;
650 				uint8_t c, peer_addr[6];
651 
652 				errno = 0;
653 				n = strtoul(optarg, &port_end, 10);
654 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
655 					rte_exit(EXIT_FAILURE,
656 						 "Invalid eth-peer: %s", optarg);
657 				if (n >= RTE_MAX_ETHPORTS)
658 					rte_exit(EXIT_FAILURE,
659 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
660 						 n, RTE_MAX_ETHPORTS);
661 
662 				if (cmdline_parse_etheraddr(NULL, port_end,
663 						&peer_addr, sizeof(peer_addr)) < 0)
664 					rte_exit(EXIT_FAILURE,
665 						 "Invalid ethernet address: %s\n",
666 						 port_end);
667 				for (c = 0; c < 6; c++)
668 					peer_eth_addrs[n].addr_bytes[c] =
669 						peer_addr[c];
670 				nb_peer_eth_addrs++;
671 			}
672 #endif
673 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
674 				n = atoi(optarg);
675 				if (n > 0 && n <= nb_ports)
676 					nb_fwd_ports = (uint8_t) n;
677 				else
678 					rte_exit(EXIT_FAILURE,
679 						 "nb-ports should be > 0 and <= %d\n",
680 						 nb_ports);
681 			}
682 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
683 				n = atoi(optarg);
684 				if (n > 0 && n <= nb_lcores)
685 					nb_fwd_lcores = (uint8_t) n;
686 				else
687 					rte_exit(EXIT_FAILURE,
688 						 "nb-cores should be > 0 and <= %d\n",
689 						 nb_lcores);
690 			}
691 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
692 				parse_fwd_coremask(optarg);
693 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
694 				parse_fwd_portmask(optarg);
695 			if (!strcmp(lgopts[opt_idx].name, "numa")) {
696 				numa_support = 1;
697 				memset(port_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
698 				memset(rxring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
699 				memset(txring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
700 			}
701 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
702 				mp_anon = 1;
703 			}
704 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
705 				if (parse_portnuma_config(optarg))
706 					rte_exit(EXIT_FAILURE,
707 					   "invalid port-numa configuration\n");
708 			}
709 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
710 				if (parse_ringnuma_config(optarg))
711 					rte_exit(EXIT_FAILURE,
712 					   "invalid ring-numa configuration\n");
713 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
714 				n = atoi(optarg);
715 				if(n < MAX_SOCKET)
716 					socket_num = (uint8_t)n;
717 				else
718 					rte_exit(EXIT_FAILURE,
719 						"The socket number should be < %d\n",
720 						MAX_SOCKET);
721 			}
722 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
723 				n = atoi(optarg);
724 				if (n > 0 && n <= 0xFFFF)
725 					mbuf_data_size = (uint16_t) n;
726 				else
727 					rte_exit(EXIT_FAILURE,
728 						 "mbuf-size should be > 0 and < 65536\n");
729 			}
730 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
731 				n = atoi(optarg);
732 				if (n > 1024)
733 					param_total_num_mbufs = (unsigned)n;
734 				else
735 					rte_exit(EXIT_FAILURE,
736 						 "total-num-mbufs should be > 1024\n");
737 			}
738 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
739 				n = atoi(optarg);
740 				if (n >= ETHER_MIN_LEN) {
741 					rx_mode.max_rx_pkt_len = (uint32_t) n;
742 					if (n > ETHER_MAX_LEN)
743 					    rx_mode.jumbo_frame = 1;
744 				} else
745 					rte_exit(EXIT_FAILURE,
746 						 "Invalid max-pkt-len=%d - should be > %d\n",
747 						 n, ETHER_MIN_LEN);
748 			}
749 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
750 				if (!strcmp(optarg, "signature"))
751 					fdir_conf.mode =
752 						RTE_FDIR_MODE_SIGNATURE;
753 				else if (!strcmp(optarg, "perfect"))
754 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
755 				else if (!strcmp(optarg, "none"))
756 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
757 				else
758 					rte_exit(EXIT_FAILURE,
759 						 "pkt-mode-invalid %s invalid - must be: "
760 						 "none, signature or perfect\n",
761 						 optarg);
762 			}
763 			if (!strcmp(lgopts[opt_idx].name,
764 				    "pkt-filter-report-hash")) {
765 				if (!strcmp(optarg, "none"))
766 					fdir_conf.status =
767 						RTE_FDIR_NO_REPORT_STATUS;
768 				else if (!strcmp(optarg, "match"))
769 					fdir_conf.status =
770 						RTE_FDIR_REPORT_STATUS;
771 				else if (!strcmp(optarg, "always"))
772 					fdir_conf.status =
773 						RTE_FDIR_REPORT_STATUS_ALWAYS;
774 				else
775 					rte_exit(EXIT_FAILURE,
776 						 "pkt-filter-report-hash %s invalid "
777 						 "- must be: none or match or always\n",
778 						 optarg);
779 			}
780 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
781 				if (!strcmp(optarg, "64K"))
782 					fdir_conf.pballoc =
783 						RTE_FDIR_PBALLOC_64K;
784 				else if (!strcmp(optarg, "128K"))
785 					fdir_conf.pballoc =
786 						RTE_FDIR_PBALLOC_128K;
787 				else if (!strcmp(optarg, "256K"))
788 					fdir_conf.pballoc =
789 						RTE_FDIR_PBALLOC_256K;
790 				else
791 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
792 						 " must be: 64K or 128K or 256K\n",
793 						 optarg);
794 			}
795 			if (!strcmp(lgopts[opt_idx].name,
796 				    "pkt-filter-flexbytes-offset")) {
797 				n = atoi(optarg);
798 				if ( n >= 0 && n <= (int) 32)
799 					fdir_conf.flexbytes_offset =
800 						(uint8_t) n;
801 				else
802 					rte_exit(EXIT_FAILURE,
803 						 "flexbytes %d invalid - must"
804 						 "be  >= 0 && <= 32\n", n);
805 			}
806 			if (!strcmp(lgopts[opt_idx].name,
807 				    "pkt-filter-drop-queue")) {
808 				n = atoi(optarg);
809 				if (n >= 0)
810 					fdir_conf.drop_queue = (uint8_t) n;
811 				else
812 					rte_exit(EXIT_FAILURE,
813 						 "drop queue %d invalid - must"
814 						 "be >= 0 \n", n);
815 			}
816 			if (!strcmp(lgopts[opt_idx].name, "crc-strip"))
817 				rx_mode.hw_strip_crc = 1;
818 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
819 				rx_mode.hw_ip_checksum = 1;
820 
821 			if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) {
822 				rx_mode.hw_vlan_filter = 0;
823 				rx_mode.hw_vlan_strip  = 0;
824 				rx_mode.hw_vlan_extend = 0;
825 			}
826 
827 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
828 				rx_drop_en = 1;
829 
830 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
831 				rss_hf = 0;
832 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
833 				if (!strcmp(optarg, "paired"))
834 					port_topology = PORT_TOPOLOGY_PAIRED;
835 				else if (!strcmp(optarg, "chained"))
836 					port_topology = PORT_TOPOLOGY_CHAINED;
837 				else if (!strcmp(optarg, "loop"))
838 					port_topology = PORT_TOPOLOGY_LOOP;
839 				else
840 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
841 						 " must be: paired or chained \n",
842 						 optarg);
843 			}
844 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
845 				set_pkt_forwarding_mode(optarg);
846 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
847 				rss_hf = ETH_RSS_IP;
848 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
849 				rss_hf = ETH_RSS_UDP;
850 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
851 				n = atoi(optarg);
852 				if (n >= 1 && n <= (int) MAX_QUEUE_ID)
853 					nb_rxq = (queueid_t) n;
854 				else
855 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
856 						  " >= 1 && <= %d\n", n,
857 						  (int) MAX_QUEUE_ID);
858 			}
859 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
860 				n = atoi(optarg);
861 				if (n >= 1 && n <= (int) MAX_QUEUE_ID)
862 					nb_txq = (queueid_t) n;
863 				else
864 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
865 						  " >= 1 && <= %d\n", n,
866 						  (int) MAX_QUEUE_ID);
867 			}
868 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
869 				n = atoi(optarg);
870 				if (n > 0)
871 					nb_rxd = (uint16_t) n;
872 				else
873 					rte_exit(EXIT_FAILURE, "rxd must be > 0\n");
874 			}
875 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
876 				n = atoi(optarg);
877 				if (n > 0)
878 					nb_txd = (uint16_t) n;
879 				else
880 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
881 			}
882 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
883 				n = atoi(optarg);
884 				if ((n >= 1) && (n <= MAX_PKT_BURST))
885 					nb_pkt_per_burst = (uint16_t) n;
886 				else
887 					rte_exit(EXIT_FAILURE,
888 						 "burst must >= 1 and <= %d]",
889 						 MAX_PKT_BURST);
890 			}
891 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
892 				n = atoi(optarg);
893 				if ((n >= 0) &&
894 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
895 					mb_mempool_cache = (uint16_t) n;
896 				else
897 					rte_exit(EXIT_FAILURE,
898 						 "mbcache must be >= 0 and <= %d\n",
899 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
900 			}
901 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
902 				n = atoi(optarg);
903 				if (n >= 0)
904 					tx_thresh.pthresh = (uint8_t)n;
905 				else
906 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
907 			}
908 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
909 				n = atoi(optarg);
910 				if (n >= 0)
911 					tx_thresh.hthresh = (uint8_t)n;
912 				else
913 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
914 			}
915 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
916 				n = atoi(optarg);
917 				if (n >= 0)
918 					tx_thresh.wthresh = (uint8_t)n;
919 				else
920 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
921 			}
922 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
923 				n = atoi(optarg);
924 				if (n >= 0)
925 					tx_free_thresh = (uint16_t)n;
926 				else
927 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
928 			}
929 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
930 				n = atoi(optarg);
931 				if (n >= 0)
932 					tx_rs_thresh = (uint16_t)n;
933 				else
934 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
935 			}
936 			if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
937 				char *end = NULL;
938 				n = strtoul(optarg, &end, 16);
939 				if (n >= 0)
940 					txq_flags = (uint32_t)n;
941 				else
942 					rte_exit(EXIT_FAILURE,
943 						 "txqflags must be >= 0\n");
944 			}
945 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
946 				n = atoi(optarg);
947 				if (n >= 0)
948 					rx_thresh.pthresh = (uint8_t)n;
949 				else
950 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
951 			}
952 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
953 				n = atoi(optarg);
954 				if (n >= 0)
955 					rx_thresh.hthresh = (uint8_t)n;
956 				else
957 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
958 			}
959 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
960 				n = atoi(optarg);
961 				if (n >= 0)
962 					rx_thresh.wthresh = (uint8_t)n;
963 				else
964 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
965 			}
966 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
967 				n = atoi(optarg);
968 				if (n > 0) {
969 					if (rx_free_thresh >= n)
970 						rte_exit(EXIT_FAILURE,
971 							 "rxd must be > "
972 							 "rx_free_thresh(%d)\n",
973 							 (int)rx_free_thresh);
974 					else
975 						nb_rxd = (uint16_t) n;
976 				} else
977 					rte_exit(EXIT_FAILURE,
978 						 "rxd(%d) invalid - must be > 0\n",
979 						 n);
980 			}
981 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
982 				n = atoi(optarg);
983 				if (n > 0)
984 					nb_txd = (uint16_t) n;
985 				else
986 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
987 			}
988 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
989 				n = atoi(optarg);
990 				if (n >= 0)
991 					tx_thresh.pthresh = (uint8_t)n;
992 				else
993 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
994 			}
995 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
996 				n = atoi(optarg);
997 				if (n >= 0)
998 					tx_thresh.hthresh = (uint8_t)n;
999 				else
1000 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1001 			}
1002 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1003 				n = atoi(optarg);
1004 				if (n >= 0)
1005 					tx_thresh.wthresh = (uint8_t)n;
1006 				else
1007 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1008 			}
1009 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1010 				n = atoi(optarg);
1011 				if (n >= 0)
1012 					rx_thresh.pthresh = (uint8_t)n;
1013 				else
1014 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1015 			}
1016 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1017 				n = atoi(optarg);
1018 				if (n >= 0)
1019 					rx_thresh.hthresh = (uint8_t)n;
1020 				else
1021 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1022 			}
1023 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1024 				n = atoi(optarg);
1025 				if (n >= 0)
1026 					rx_thresh.wthresh = (uint8_t)n;
1027 				else
1028 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1029 			}
1030 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1031 				n = atoi(optarg);
1032 				if (n >= 0)
1033 					rx_free_thresh = (uint16_t)n;
1034 				else
1035 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1036 			}
1037 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1038 				if (parse_queue_stats_mapping_config(optarg, TX)) {
1039 					rte_exit(EXIT_FAILURE,
1040 						 "invalid TX queue statistics mapping config entered\n");
1041 				}
1042 			}
1043 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1044 				if (parse_queue_stats_mapping_config(optarg, RX)) {
1045 					rte_exit(EXIT_FAILURE,
1046 						 "invalid RX queue statistics mapping config entered\n");
1047 				}
1048 			}
1049 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1050 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1051 				unsigned int nb_segs;
1052 
1053 				nb_segs = parse_item_list(optarg, RTE_MAX_SEGS_PER_PKT, seg_lengths);
1054 				if (nb_segs > 0)
1055 					set_tx_pkt_segments(seg_lengths, nb_segs);
1056 				else
1057 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1058 			}
1059 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1060 				no_flush_rx = 1;
1061 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1062 				no_link_check = 1;
1063 
1064 			break;
1065 		case 'h':
1066 			usage(argv[0]);
1067 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
1068 			break;
1069 		default:
1070 			usage(argv[0]);
1071 			rte_exit(EXIT_FAILURE,
1072 				 "Command line is incomplete or incorrect\n");
1073 			break;
1074 		}
1075 	}
1076 }
1077