xref: /dpdk/app/test-pmd/parameters.c (revision e5ffdd1457c0fb4e8365f524ee2529ac726edcf3)
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 
79 #include "testpmd.h"
80 
81 static void
82 usage(char* progname)
83 {
84 	printf("usage: %s "
85 #ifdef RTE_LIBRTE_CMDLINE
86 	       "[--interactive|-i] "
87 #endif
88 	       "[--help|-h] | [--auto-start|-a] | ["
89 	       "--coremask=COREMASK --portmask=PORTMASK --numa "
90 	       "--mbuf-size= | --total-num-mbufs= | "
91 	       "--nb-cores= | --nb-ports= | "
92 #ifdef RTE_LIBRTE_CMDLINE
93 	       "--eth-peers-configfile= | "
94 	       "--eth-peer=X,M:M:M:M:M:M | "
95 #endif
96 	       "--pkt-filter-mode= |"
97 	       "--rss-ip | --rss-udp | "
98 	       "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
99 	       "--txpt= | --txht= | --txwt= | --txfreet= | "
100 	       "--txrst= | --txqflags= ]\n",
101 	       progname);
102 #ifdef RTE_LIBRTE_CMDLINE
103 	printf("  --interactive: run in interactive mode.\n");
104 #endif
105 	printf("  --auto-start: start forwarding on init "
106 	       "[always when non-interactive].\n");
107 	printf("  --help: display this message and quit.\n");
108 	printf("  --nb-cores=N: set the number of forwarding cores "
109 	       "(1 <= N <= %d).\n", nb_lcores);
110 	printf("  --nb-ports=N: set the number of forwarding ports "
111 	       "(1 <= N <= %d).\n", nb_ports);
112 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
113 	       "the packet forwarding test. The master lcore is reserved for "
114 	       "command line parsing only, and cannot be masked on for "
115 	       "packet forwarding.\n");
116 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
117 	       "by the packet forwarding test.\n");
118 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
119 	       "RX memory buffers (mbufs).\n");
120 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
121 	       "specify the socket on which the memory pool "
122 	       "used by the port will be allocated.\n");
123 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
124 	       "specify the socket on which the TX/RX rings for "
125 	       "the port will be allocated "
126 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
127 	printf("  --socket-num=N: set socket from which all memory is allocated "
128 	       "in NUMA mode.\n");
129 	printf("  --mbuf-size=N: set the data size of mbuf to N bytes.\n");
130 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
131 	       "in mbuf pools.\n");
132 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
133 #ifdef RTE_LIBRTE_CMDLINE
134 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
135 	       "of peer ports.\n");
136 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
137 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
138 #endif
139 	printf("  --pkt-filter-mode=N: set Flow Director mode "
140 	       "(N: none (default mode) or signature or perfect).\n");
141 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
142 	       "(N: none  or match (default) or always).\n");
143 	printf("  --pkt-filter-size=N: set Flow Director mode "
144 	       "(N: 64K (default mode) or 128K or 256K).\n");
145 	printf("  --pkt-filter-flexbytes-offset=N: set flexbytes-offset. "
146 	       "The offset is defined in word units counted from the "
147 	       "first byte of the destination Ethernet MAC address. "
148 	       "0 <= N <= 32.\n");
149 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
150 	       "In perfect mode, when you add a rule with queue = -1 "
151 	       "the packet will be enqueued into the rx drop-queue. "
152 	       "If the drop-queue doesn't exist, the packet is dropped. "
153 	       "By default drop-queue=127.\n");
154 	printf("  --crc-strip: enable CRC stripping by hardware.\n");
155 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
156 	printf("  --disable-hw-vlan: disable hardware vlan.\n");
157 	printf("  --enable-drop-en: enable per queue packet drop.\n");
158 	printf("  --disable-rss: disable rss.\n");
159 	printf("  --port-topology=N: set port topology (N: paired (default) or "
160 	       "chained).\n");
161 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
162 	       list_pkt_forwarding_modes());
163 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
164 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
165 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
166 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
167 	printf("  --txq=N: set the number of TX queues per port to N.\n");
168 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
169 	printf("  --burst=N: set the number of packets per burst to N.\n");
170 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
171 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N "
172 	       "(0 <= N <= 16).\n");
173 	printf("  --rxht=N: set the host threshold register of RX rings to N "
174 	       "(0 <= N <= 16).\n");
175 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
176 	       "(0 <= N < value of rxd).\n");
177 	printf("  --rxwt=N: set the write-back threshold register of RX rings "
178 	       "to N (0 <= N <= 16).\n");
179 	printf("  --txpt=N: set the prefetch threshold register of TX rings "
180 	       "to N (0 <= N <= 16).\n");
181 	printf("  --txht=N: set the nhost threshold register of TX rings to N "
182 	       "(0 <= N <= 16).\n");
183 	printf("  --txwt=N: set the write-back threshold register of TX rings "
184 	       "to N (0 <= N <= 16).\n");
185 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
186 	       "(0 <= N <= value of txd).\n");
187 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
188 	       "(0 <= N <= value of txd).\n");
189 	printf("  --txqflags=0xXXXXXXXX: hexadecimal bitmask of TX queue flags "
190 	       "(0 <= N <= 0x7FFFFFFF).\n");
191 	printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
192 	       "tx queues statistics counters mapping "
193 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
194 	printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
195 	       "rx queues statistics counters mapping "
196 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
197 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
198 	       " Used mainly with PCAP drivers.\n");
199 	printf("  --txpkts=X[,Y]*: set TX segment sizes.\n");
200 	printf("  --disable-link-check: disable check on link status when "
201 	       "starting/stopping ports.\n");
202 }
203 
204 #ifdef RTE_LIBRTE_CMDLINE
205 static int
206 init_peer_eth_addrs(char *config_filename)
207 {
208 	FILE *config_file;
209 	portid_t i;
210 	char buf[50];
211 
212 	config_file = fopen(config_filename, "r");
213 	if (config_file == NULL) {
214 		perror("Failed to open eth config file\n");
215 		return -1;
216 	}
217 
218 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
219 
220 		if (fgets(buf, sizeof(buf), config_file) == NULL)
221 			break;
222 
223 		if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i]) < 0 ){
224 			printf("Bad MAC address format on line %d\n", i+1);
225 			fclose(config_file);
226 			return -1;
227 		}
228 	}
229 	fclose(config_file);
230 	nb_peer_eth_addrs = (portid_t) i;
231 	return 0;
232 }
233 #endif
234 
235 /*
236  * Parse the coremask given as argument (hexadecimal string) and set
237  * the global configuration of forwarding cores.
238  */
239 static void
240 parse_fwd_coremask(const char *coremask)
241 {
242 	char *end;
243 	unsigned long long int cm;
244 
245 	/* parse hexadecimal string */
246 	end = NULL;
247 	cm = strtoull(coremask, &end, 16);
248 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
249 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
250 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
251 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
252 }
253 
254 /*
255  * Parse the coremask given as argument (hexadecimal string) and set
256  * the global configuration of forwarding cores.
257  */
258 static void
259 parse_fwd_portmask(const char *portmask)
260 {
261 	char *end;
262 	unsigned long long int pm;
263 
264 	/* parse hexadecimal string */
265 	end = NULL;
266 	pm = strtoull(portmask, &end, 16);
267 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
268 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
269 	else
270 		set_fwd_ports_mask((uint64_t) pm);
271 }
272 
273 
274 static int
275 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
276 {
277 	char s[256];
278 	const char *p, *p0 = q_arg;
279 	char *end;
280 	enum fieldnames {
281 		FLD_PORT = 0,
282 		FLD_QUEUE,
283 		FLD_STATS_COUNTER,
284 		_NUM_FLD
285 	};
286 	unsigned long int_fld[_NUM_FLD];
287 	char *str_fld[_NUM_FLD];
288 	int i;
289 	unsigned size;
290 
291 	/* reset from value set at definition */
292 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
293 
294 	while ((p = strchr(p0,'(')) != NULL) {
295 		++p;
296 		if((p0 = strchr(p,')')) == NULL)
297 			return -1;
298 
299 		size = p0 - p;
300 		if(size >= sizeof(s))
301 			return -1;
302 
303 		rte_snprintf(s, sizeof(s), "%.*s", size, p);
304 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
305 			return -1;
306 		for (i = 0; i < _NUM_FLD; i++){
307 			errno = 0;
308 			int_fld[i] = strtoul(str_fld[i], &end, 0);
309 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
310 				return -1;
311 		}
312 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
313 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
314 			printf("Stats counter not in the correct range 0..%d\n",
315 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
316 			return -1;
317 		}
318 
319 		if (is_rx ? (nb_rx_queue_stats_mappings >= MAX_RX_QUEUE_STATS_MAPPINGS) :
320 		    (nb_tx_queue_stats_mappings >= MAX_TX_QUEUE_STATS_MAPPINGS)) {
321 			printf("exceeded max number of %s queue statistics mappings: %hu\n",
322 			       is_rx ? "RX" : "TX",
323 			       is_rx ? nb_rx_queue_stats_mappings : nb_tx_queue_stats_mappings);
324 			return -1;
325 		}
326 		if (!is_rx) {
327 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
328 				(uint8_t)int_fld[FLD_PORT];
329 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
330 				(uint8_t)int_fld[FLD_QUEUE];
331 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
332 				(uint8_t)int_fld[FLD_STATS_COUNTER];
333 			++nb_tx_queue_stats_mappings;
334 		}
335 		else {
336 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
337 				(uint8_t)int_fld[FLD_PORT];
338 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
339 				(uint8_t)int_fld[FLD_QUEUE];
340 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
341 				(uint8_t)int_fld[FLD_STATS_COUNTER];
342 			++nb_rx_queue_stats_mappings;
343 		}
344 
345 	}
346 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
347 /* than to the default array (that was set at its definition) */
348 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
349 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
350 	return 0;
351 }
352 
353 static int
354 parse_portnuma_config(const char *q_arg)
355 {
356 	char s[256];
357 	const char *p, *p0 = q_arg;
358 	char *end;
359 	uint8_t i,port_id,socket_id;
360 	unsigned size;
361 	enum fieldnames {
362 		FLD_PORT = 0,
363 		FLD_SOCKET,
364 		_NUM_FLD
365 	};
366 	unsigned long int_fld[_NUM_FLD];
367 	char *str_fld[_NUM_FLD];
368 
369 	/* reset from value set at definition */
370 	while ((p = strchr(p0,'(')) != NULL) {
371 		++p;
372 		if((p0 = strchr(p,')')) == NULL)
373 			return -1;
374 
375 		size = p0 - p;
376 		if(size >= sizeof(s))
377 			return -1;
378 
379 		rte_snprintf(s, sizeof(s), "%.*s", size, p);
380 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
381 			return -1;
382 		for (i = 0; i < _NUM_FLD; i++) {
383 			errno = 0;
384 			int_fld[i] = strtoul(str_fld[i], &end, 0);
385 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
386 				return -1;
387 		}
388 		port_id = (uint8_t)int_fld[FLD_PORT];
389 		if (port_id >= nb_ports) {
390 			printf("Invalid port, range is [0, %d]\n", nb_ports - 1);
391 			return -1;
392 		}
393 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
394 		if(socket_id >= MAX_SOCKET) {
395 			printf("Invalid socket id, range is [0, %d]\n",
396 				 MAX_SOCKET - 1);
397 			return -1;
398 		}
399 		port_numa[port_id] = socket_id;
400 	}
401 
402 	return 0;
403 }
404 
405 static int
406 parse_ringnuma_config(const char *q_arg)
407 {
408 	char s[256];
409 	const char *p, *p0 = q_arg;
410 	char *end;
411 	uint8_t i,port_id,ring_flag,socket_id;
412 	unsigned size;
413 	enum fieldnames {
414 		FLD_PORT = 0,
415 		FLD_FLAG,
416 		FLD_SOCKET,
417 		_NUM_FLD
418 	};
419 	unsigned long int_fld[_NUM_FLD];
420 	char *str_fld[_NUM_FLD];
421 	#define RX_RING_ONLY 0x1
422 	#define TX_RING_ONLY 0x2
423 	#define RXTX_RING    0x3
424 
425 	/* reset from value set at definition */
426 	while ((p = strchr(p0,'(')) != NULL) {
427 		++p;
428 		if((p0 = strchr(p,')')) == NULL)
429 			return -1;
430 
431 		size = p0 - p;
432 		if(size >= sizeof(s))
433 			return -1;
434 
435 		rte_snprintf(s, sizeof(s), "%.*s", size, p);
436 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
437 			return -1;
438 		for (i = 0; i < _NUM_FLD; i++) {
439 			errno = 0;
440 			int_fld[i] = strtoul(str_fld[i], &end, 0);
441 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
442 				return -1;
443 		}
444 		port_id = (uint8_t)int_fld[FLD_PORT];
445 		if (port_id >= nb_ports) {
446 			printf("Invalid port, range is [0, %d]\n", nb_ports - 1);
447 			return -1;
448 		}
449 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
450 		if (socket_id >= MAX_SOCKET) {
451 			printf("Invalid socket id, range is [0, %d]\n",
452 				MAX_SOCKET - 1);
453 			return -1;
454 		}
455 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
456 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
457 			printf("Invalid ring-flag=%d config for port =%d\n",
458 				ring_flag,port_id);
459 			return -1;
460 		}
461 
462 		switch (ring_flag & RXTX_RING) {
463 		case RX_RING_ONLY:
464 			rxring_numa[port_id] = socket_id;
465 			break;
466 		case TX_RING_ONLY:
467 			txring_numa[port_id] = socket_id;
468 			break;
469 		case RXTX_RING:
470 			rxring_numa[port_id] = socket_id;
471 			txring_numa[port_id] = socket_id;
472 			break;
473 		default:
474 			printf("Invalid ring-flag=%d config for port=%d\n",
475 				ring_flag,port_id);
476 			break;
477 		}
478 	}
479 
480 	return 0;
481 }
482 
483 static unsigned int
484 parse_item_list(char* str, unsigned int max_items, unsigned int *parsed_items)
485 {
486 	unsigned int nb_item;
487 	unsigned int value;
488 	unsigned int i;
489 	int value_ok;
490 	char c;
491 
492 	/*
493 	 * First parse all items in the list and store their value.
494 	 */
495 	value = 0;
496 	nb_item = 0;
497 	value_ok = 0;
498 	for (i = 0; i < strlen(str); i++) {
499 		c = str[i];
500 		if ((c >= '0') && (c <= '9')) {
501 			value = (unsigned int) (value * 10 + (c - '0'));
502 			value_ok = 1;
503 			continue;
504 		}
505 		if (c != ',') {
506 			printf("character %c is not a decimal digit\n", c);
507 			return (0);
508 		}
509 		if (! value_ok) {
510 			printf("No valid value before comma\n");
511 			return (0);
512 		}
513 		if (nb_item < max_items) {
514 			parsed_items[nb_item] = value;
515 			value_ok = 0;
516 			value = 0;
517 		}
518 		nb_item++;
519 	}
520 
521 	if (nb_item >= max_items)
522 		rte_exit(EXIT_FAILURE, "too many txpkt segments!\n");
523 
524 	parsed_items[nb_item++] = value;
525 
526 	return (nb_item);
527 }
528 
529 void
530 launch_args_parse(int argc, char** argv)
531 {
532 	int n, opt;
533 	char **argvopt;
534 	int opt_idx;
535 	enum { TX, RX };
536 
537 	static struct option lgopts[] = {
538 		{ "help",			0, 0, 0 },
539 #ifdef RTE_LIBRTE_CMDLINE
540 		{ "interactive",		0, 0, 0 },
541 		{ "auto-start",			0, 0, 0 },
542 		{ "eth-peers-configfile",	1, 0, 0 },
543 		{ "eth-peer",			1, 0, 0 },
544 #endif
545 		{ "ports",			1, 0, 0 },
546 		{ "nb-cores",			1, 0, 0 },
547 		{ "nb-ports",			1, 0, 0 },
548 		{ "coremask",			1, 0, 0 },
549 		{ "portmask",			1, 0, 0 },
550 		{ "numa",			0, 0, 0 },
551 		{ "mp-anon",			0, 0, 0 },
552 		{ "port-numa-config",           1, 0, 0 },
553 		{ "ring-numa-config",           1, 0, 0 },
554 		{ "socket-num",			1, 0, 0 },
555 		{ "mbuf-size",			1, 0, 0 },
556 		{ "total-num-mbufs",		1, 0, 0 },
557 		{ "max-pkt-len",		1, 0, 0 },
558 		{ "pkt-filter-mode",            1, 0, 0 },
559 		{ "pkt-filter-report-hash",     1, 0, 0 },
560 		{ "pkt-filter-size",            1, 0, 0 },
561 		{ "pkt-filter-flexbytes-offset",1, 0, 0 },
562 		{ "pkt-filter-drop-queue",      1, 0, 0 },
563 		{ "crc-strip",                  0, 0, 0 },
564 		{ "enable-rx-cksum",            0, 0, 0 },
565 		{ "disable-hw-vlan",            0, 0, 0 },
566 		{ "enable-drop-en",            0, 0, 0 },
567 		{ "disable-rss",                0, 0, 0 },
568 		{ "port-topology",              1, 0, 0 },
569 		{ "forward-mode",               1, 0, 0 },
570 		{ "rss-ip",			0, 0, 0 },
571 		{ "rss-udp",			0, 0, 0 },
572 		{ "rxq",			1, 0, 0 },
573 		{ "txq",			1, 0, 0 },
574 		{ "rxd",			1, 0, 0 },
575 		{ "txd",			1, 0, 0 },
576 		{ "burst",			1, 0, 0 },
577 		{ "mbcache",			1, 0, 0 },
578 		{ "txpt",			1, 0, 0 },
579 		{ "txht",			1, 0, 0 },
580 		{ "txwt",			1, 0, 0 },
581 		{ "txfreet",			1, 0, 0 },
582 		{ "txrst",			1, 0, 0 },
583 		{ "txqflags",			1, 0, 0 },
584 		{ "rxpt",			1, 0, 0 },
585 		{ "rxht",			1, 0, 0 },
586 		{ "rxwt",			1, 0, 0 },
587 		{ "rxfreet",                    1, 0, 0 },
588 		{ "tx-queue-stats-mapping",	1, 0, 0 },
589 		{ "rx-queue-stats-mapping",	1, 0, 0 },
590 		{ "no-flush-rx",	0, 0, 0 },
591 		{ "txpkts",			1, 0, 0 },
592 		{ "disable-link-check",		0, 0, 0 },
593 		{ 0, 0, 0, 0 },
594 	};
595 
596 	argvopt = argv;
597 
598 #ifdef RTE_LIBRTE_CMDLINE
599 #define SHORTOPTS "i"
600 #else
601 #define SHORTOPTS ""
602 #endif
603 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
604 				 lgopts, &opt_idx)) != EOF) {
605 		switch (opt) {
606 #ifdef RTE_LIBRTE_CMDLINE
607 		case 'i':
608 			printf("Interactive-mode selected\n");
609 			interactive = 1;
610 			break;
611 #endif
612 		case 'a':
613 			printf("Auto-start selected\n");
614 			auto_start = 1;
615 			break;
616 
617 		case 0: /*long options */
618 			if (!strcmp(lgopts[opt_idx].name, "help")) {
619 				usage(argv[0]);
620 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
621 			}
622 #ifdef RTE_LIBRTE_CMDLINE
623 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
624 				printf("Interactive-mode selected\n");
625 				interactive = 1;
626 			}
627 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
628 				printf("Auto-start selected\n");
629 				auto_start = 1;
630 			}
631 			if (!strcmp(lgopts[opt_idx].name,
632 				    "eth-peers-configfile")) {
633 				if (init_peer_eth_addrs(optarg) != 0)
634 					rte_exit(EXIT_FAILURE,
635 						 "Cannot open logfile\n");
636 			}
637 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
638 				char *port_end;
639 				uint8_t c, peer_addr[6];
640 
641 				errno = 0;
642 				n = strtoul(optarg, &port_end, 10);
643 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
644 					rte_exit(EXIT_FAILURE,
645 						 "Invalid eth-peer: %s", optarg);
646 				if (n >= RTE_MAX_ETHPORTS)
647 					rte_exit(EXIT_FAILURE,
648 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
649 						 n, RTE_MAX_ETHPORTS);
650 
651 				if (cmdline_parse_etheraddr(NULL, port_end, &peer_addr) < 0 )
652 					rte_exit(EXIT_FAILURE,
653 						 "Invalid ethernet address: %s\n",
654 						 port_end);
655 				for (c = 0; c < 6; c++)
656 					peer_eth_addrs[n].addr_bytes[c] =
657 						peer_addr[c];
658 				nb_peer_eth_addrs++;
659 			}
660 #endif
661 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
662 				n = atoi(optarg);
663 				if (n > 0 && n <= nb_ports)
664 					nb_fwd_ports = (uint8_t) n;
665 				else
666 					rte_exit(EXIT_FAILURE,
667 						 "nb-ports should be > 0 and <= %d\n",
668 						 nb_ports);
669 			}
670 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
671 				n = atoi(optarg);
672 				if (n > 0 && n <= nb_lcores)
673 					nb_fwd_lcores = (uint8_t) n;
674 				else
675 					rte_exit(EXIT_FAILURE,
676 						 "nb-cores should be > 0 and <= %d\n",
677 						 nb_lcores);
678 			}
679 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
680 				parse_fwd_coremask(optarg);
681 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
682 				parse_fwd_portmask(optarg);
683 			if (!strcmp(lgopts[opt_idx].name, "numa")) {
684 				numa_support = 1;
685 				memset(port_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
686 				memset(rxring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
687 				memset(txring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
688 			}
689 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
690 				mp_anon = 1;
691 			}
692 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
693 				if (parse_portnuma_config(optarg))
694 					rte_exit(EXIT_FAILURE,
695 					   "invalid port-numa configuration\n");
696 			}
697 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
698 				if (parse_ringnuma_config(optarg))
699 					rte_exit(EXIT_FAILURE,
700 					   "invalid ring-numa configuration\n");
701 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
702 				n = atoi(optarg);
703 				if(n < MAX_SOCKET)
704 					socket_num = (uint8_t)n;
705 				else
706 					rte_exit(EXIT_FAILURE,
707 						"The socket number should be < %d\n",
708 						MAX_SOCKET);
709 			}
710 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
711 				n = atoi(optarg);
712 				if (n > 0 && n <= 0xFFFF)
713 					mbuf_data_size = (uint16_t) n;
714 				else
715 					rte_exit(EXIT_FAILURE,
716 						 "mbuf-size should be > 0 and < 65536\n");
717 			}
718 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
719 				n = atoi(optarg);
720 				if (n > 1024)
721 					param_total_num_mbufs = (unsigned)n;
722 				else
723 					rte_exit(EXIT_FAILURE,
724 						 "total-num-mbufs should be > 1024\n");
725 			}
726 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
727 				n = atoi(optarg);
728 				if (n >= ETHER_MIN_LEN) {
729 					rx_mode.max_rx_pkt_len = (uint32_t) n;
730 					if (n > ETHER_MAX_LEN)
731 					    rx_mode.jumbo_frame = 1;
732 				} else
733 					rte_exit(EXIT_FAILURE,
734 						 "Invalid max-pkt-len=%d - should be > %d\n",
735 						 n, ETHER_MIN_LEN);
736 			}
737 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
738 				if (!strcmp(optarg, "signature"))
739 					fdir_conf.mode =
740 						RTE_FDIR_MODE_SIGNATURE;
741 				else if (!strcmp(optarg, "perfect"))
742 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
743 				else if (!strcmp(optarg, "none"))
744 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
745 				else
746 					rte_exit(EXIT_FAILURE,
747 						 "pkt-mode-invalid %s invalid - must be: "
748 						 "none, signature or perfect\n",
749 						 optarg);
750 			}
751 			if (!strcmp(lgopts[opt_idx].name,
752 				    "pkt-filter-report-hash")) {
753 				if (!strcmp(optarg, "none"))
754 					fdir_conf.status =
755 						RTE_FDIR_NO_REPORT_STATUS;
756 				else if (!strcmp(optarg, "match"))
757 					fdir_conf.status =
758 						RTE_FDIR_REPORT_STATUS;
759 				else if (!strcmp(optarg, "always"))
760 					fdir_conf.status =
761 						RTE_FDIR_REPORT_STATUS_ALWAYS;
762 				else
763 					rte_exit(EXIT_FAILURE,
764 						 "pkt-filter-report-hash %s invalid "
765 						 "- must be: none or match or always\n",
766 						 optarg);
767 			}
768 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
769 				if (!strcmp(optarg, "64K"))
770 					fdir_conf.pballoc =
771 						RTE_FDIR_PBALLOC_64K;
772 				else if (!strcmp(optarg, "128K"))
773 					fdir_conf.pballoc =
774 						RTE_FDIR_PBALLOC_128K;
775 				else if (!strcmp(optarg, "256K"))
776 					fdir_conf.pballoc =
777 						RTE_FDIR_PBALLOC_256K;
778 				else
779 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
780 						 " must be: 64K or 128K or 256K\n",
781 						 optarg);
782 			}
783 			if (!strcmp(lgopts[opt_idx].name,
784 				    "pkt-filter-flexbytes-offset")) {
785 				n = atoi(optarg);
786 				if ( n >= 0 && n <= (int) 32)
787 					fdir_conf.flexbytes_offset =
788 						(uint8_t) n;
789 				else
790 					rte_exit(EXIT_FAILURE,
791 						 "flexbytes %d invalid - must"
792 						 "be  >= 0 && <= 32\n", n);
793 			}
794 			if (!strcmp(lgopts[opt_idx].name,
795 				    "pkt-filter-drop-queue")) {
796 				n = atoi(optarg);
797 				if (n >= 0)
798 					fdir_conf.drop_queue = (uint8_t) n;
799 				else
800 					rte_exit(EXIT_FAILURE,
801 						 "drop queue %d invalid - must"
802 						 "be >= 0 \n", n);
803 			}
804 			if (!strcmp(lgopts[opt_idx].name, "crc-strip"))
805 				rx_mode.hw_strip_crc = 1;
806 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
807 				rx_mode.hw_ip_checksum = 1;
808 
809 			if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) {
810 				rx_mode.hw_vlan_filter = 0;
811 				rx_mode.hw_vlan_strip  = 0;
812 				rx_mode.hw_vlan_extend = 0;
813 			}
814 
815 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
816 				rx_drop_en = 1;
817 
818 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
819 				rss_hf = 0;
820 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
821 				if (!strcmp(optarg, "paired"))
822 					port_topology = PORT_TOPOLOGY_PAIRED;
823 				else if (!strcmp(optarg, "chained"))
824 					port_topology = PORT_TOPOLOGY_CHAINED;
825 				else if (!strcmp(optarg, "loop"))
826 					port_topology = PORT_TOPOLOGY_LOOP;
827 				else
828 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
829 						 " must be: paired or chained \n",
830 						 optarg);
831 			}
832 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
833 				set_pkt_forwarding_mode(optarg);
834 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
835 				rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6;
836 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
837 				rss_hf = ETH_RSS_IPV4 |
838 						ETH_RSS_IPV6 | ETH_RSS_IPV4_UDP;
839 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
840 				n = atoi(optarg);
841 				if (n >= 1 && n <= (int) MAX_QUEUE_ID)
842 					nb_rxq = (queueid_t) n;
843 				else
844 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
845 						  " >= 1 && <= %d\n", n,
846 						  (int) MAX_QUEUE_ID);
847 			}
848 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
849 				n = atoi(optarg);
850 				if (n >= 1 && n <= (int) MAX_QUEUE_ID)
851 					nb_txq = (queueid_t) n;
852 				else
853 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
854 						  " >= 1 && <= %d\n", n,
855 						  (int) MAX_QUEUE_ID);
856 			}
857 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
858 				n = atoi(optarg);
859 				if (n > 0)
860 					nb_rxd = (uint16_t) n;
861 				else
862 					rte_exit(EXIT_FAILURE, "rxd must be > 0\n");
863 			}
864 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
865 				n = atoi(optarg);
866 				if (n > 0)
867 					nb_txd = (uint16_t) n;
868 				else
869 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
870 			}
871 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
872 				n = atoi(optarg);
873 				if ((n >= 1) && (n <= MAX_PKT_BURST))
874 					nb_pkt_per_burst = (uint16_t) n;
875 				else
876 					rte_exit(EXIT_FAILURE,
877 						 "burst must >= 1 and <= %d]",
878 						 MAX_PKT_BURST);
879 			}
880 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
881 				n = atoi(optarg);
882 				if ((n >= 0) &&
883 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
884 					mb_mempool_cache = (uint16_t) n;
885 				else
886 					rte_exit(EXIT_FAILURE,
887 						 "mbcache must be >= 0 and <= %d\n",
888 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
889 			}
890 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
891 				n = atoi(optarg);
892 				if (n >= 0)
893 					tx_thresh.pthresh = (uint8_t)n;
894 				else
895 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
896 			}
897 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
898 				n = atoi(optarg);
899 				if (n >= 0)
900 					tx_thresh.hthresh = (uint8_t)n;
901 				else
902 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
903 			}
904 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
905 				n = atoi(optarg);
906 				if (n >= 0)
907 					tx_thresh.wthresh = (uint8_t)n;
908 				else
909 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
910 			}
911 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
912 				n = atoi(optarg);
913 				if (n >= 0)
914 					tx_free_thresh = (uint16_t)n;
915 				else
916 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
917 			}
918 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
919 				n = atoi(optarg);
920 				if (n >= 0)
921 					tx_rs_thresh = (uint16_t)n;
922 				else
923 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
924 			}
925 			if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
926 				char *end = NULL;
927 				n = strtoul(optarg, &end, 16);
928 				if (n >= 0)
929 					txq_flags = (uint32_t)n;
930 				else
931 					rte_exit(EXIT_FAILURE,
932 						 "txqflags must be >= 0\n");
933 			}
934 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
935 				n = atoi(optarg);
936 				if (n >= 0)
937 					rx_thresh.pthresh = (uint8_t)n;
938 				else
939 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
940 			}
941 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
942 				n = atoi(optarg);
943 				if (n >= 0)
944 					rx_thresh.hthresh = (uint8_t)n;
945 				else
946 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
947 			}
948 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
949 				n = atoi(optarg);
950 				if (n >= 0)
951 					rx_thresh.wthresh = (uint8_t)n;
952 				else
953 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
954 			}
955 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
956 				n = atoi(optarg);
957 				if (n > 0) {
958 					if (rx_free_thresh >= n)
959 						rte_exit(EXIT_FAILURE,
960 							 "rxd must be > "
961 							 "rx_free_thresh(%d)\n",
962 							 (int)rx_free_thresh);
963 					else
964 						nb_rxd = (uint16_t) n;
965 				} else
966 					rte_exit(EXIT_FAILURE,
967 						 "rxd(%d) invalid - must be > 0\n",
968 						 n);
969 			}
970 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
971 				n = atoi(optarg);
972 				if (n > 0)
973 					nb_txd = (uint16_t) n;
974 				else
975 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
976 			}
977 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
978 				n = atoi(optarg);
979 				if (n >= 0)
980 					tx_thresh.pthresh = (uint8_t)n;
981 				else
982 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
983 			}
984 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
985 				n = atoi(optarg);
986 				if (n >= 0)
987 					tx_thresh.hthresh = (uint8_t)n;
988 				else
989 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
990 			}
991 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
992 				n = atoi(optarg);
993 				if (n >= 0)
994 					tx_thresh.wthresh = (uint8_t)n;
995 				else
996 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
997 			}
998 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
999 				n = atoi(optarg);
1000 				if (n >= 0)
1001 					rx_thresh.pthresh = (uint8_t)n;
1002 				else
1003 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1004 			}
1005 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1006 				n = atoi(optarg);
1007 				if (n >= 0)
1008 					rx_thresh.hthresh = (uint8_t)n;
1009 				else
1010 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1011 			}
1012 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1013 				n = atoi(optarg);
1014 				if (n >= 0)
1015 					rx_thresh.wthresh = (uint8_t)n;
1016 				else
1017 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1018 			}
1019 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1020 				n = atoi(optarg);
1021 				if (n >= 0)
1022 					rx_free_thresh = (uint16_t)n;
1023 				else
1024 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1025 			}
1026 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1027 				if (parse_queue_stats_mapping_config(optarg, TX)) {
1028 					rte_exit(EXIT_FAILURE,
1029 						 "invalid TX queue statistics mapping config entered\n");
1030 				}
1031 			}
1032 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1033 				if (parse_queue_stats_mapping_config(optarg, RX)) {
1034 					rte_exit(EXIT_FAILURE,
1035 						 "invalid RX queue statistics mapping config entered\n");
1036 				}
1037 			}
1038 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1039 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1040 				unsigned int nb_segs;
1041 
1042 				nb_segs = parse_item_list(optarg, RTE_MAX_SEGS_PER_PKT, seg_lengths);
1043 				if (nb_segs > 0)
1044 					set_tx_pkt_segments(seg_lengths, nb_segs);
1045 				else
1046 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1047 			}
1048 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1049 				no_flush_rx = 1;
1050 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1051 				no_link_check = 1;
1052 
1053 			break;
1054 		case 'h':
1055 			usage(argv[0]);
1056 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
1057 			break;
1058 		default:
1059 			usage(argv[0]);
1060 			rte_exit(EXIT_FAILURE,
1061 				 "Command line is incomplete or incorrect\n");
1062 			break;
1063 		}
1064 	}
1065 }
1066