xref: /dpdk/app/test-pmd/parameters.c (revision a56335925919d26c81dec8accf31c39d2f790c5a)
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-drop-queue=N: set drop-queue. "
149 	       "In perfect mode, when you add a rule with queue = -1 "
150 	       "the packet will be enqueued into the rx drop-queue. "
151 	       "If the drop-queue doesn't exist, the packet is dropped. "
152 	       "By default drop-queue=127.\n");
153 	printf("  --crc-strip: enable CRC stripping by hardware.\n");
154 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
155 	printf("  --disable-hw-vlan: disable hardware vlan.\n");
156 	printf("  --enable-drop-en: enable per queue packet drop.\n");
157 	printf("  --disable-rss: disable rss.\n");
158 	printf("  --port-topology=N: set port topology (N: paired (default) or "
159 	       "chained).\n");
160 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
161 	       list_pkt_forwarding_modes());
162 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
163 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
164 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
165 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
166 	printf("  --txq=N: set the number of TX queues per port to N.\n");
167 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
168 	printf("  --burst=N: set the number of packets per burst to N.\n");
169 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
170 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
171 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
172 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
173 	       "(0 <= N < value of rxd).\n");
174 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
175 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
176 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
177 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
178 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
179 	       "(0 <= N <= value of txd).\n");
180 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
181 	       "(0 <= N <= value of txd).\n");
182 	printf("  --txqflags=0xXXXXXXXX: hexadecimal bitmask of TX queue flags "
183 	       "(0 <= N <= 0x7FFFFFFF).\n");
184 	printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
185 	       "tx queues statistics counters mapping "
186 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
187 	printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
188 	       "rx queues statistics counters mapping "
189 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
190 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
191 	       " Used mainly with PCAP drivers.\n");
192 	printf("  --txpkts=X[,Y]*: set TX segment sizes.\n");
193 	printf("  --disable-link-check: disable check on link status when "
194 	       "starting/stopping ports.\n");
195 }
196 
197 #ifdef RTE_LIBRTE_CMDLINE
198 static int
199 init_peer_eth_addrs(char *config_filename)
200 {
201 	FILE *config_file;
202 	portid_t i;
203 	char buf[50];
204 
205 	config_file = fopen(config_filename, "r");
206 	if (config_file == NULL) {
207 		perror("Failed to open eth config file\n");
208 		return -1;
209 	}
210 
211 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
212 
213 		if (fgets(buf, sizeof(buf), config_file) == NULL)
214 			break;
215 
216 		if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i],
217 				sizeof(peer_eth_addrs[i])) < 0) {
218 			printf("Bad MAC address format on line %d\n", i+1);
219 			fclose(config_file);
220 			return -1;
221 		}
222 	}
223 	fclose(config_file);
224 	nb_peer_eth_addrs = (portid_t) i;
225 	return 0;
226 }
227 #endif
228 
229 /*
230  * Parse the coremask given as argument (hexadecimal string) and set
231  * the global configuration of forwarding cores.
232  */
233 static void
234 parse_fwd_coremask(const char *coremask)
235 {
236 	char *end;
237 	unsigned long long int cm;
238 
239 	/* parse hexadecimal string */
240 	end = NULL;
241 	cm = strtoull(coremask, &end, 16);
242 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
243 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
244 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
245 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
246 }
247 
248 /*
249  * Parse the coremask given as argument (hexadecimal string) and set
250  * the global configuration of forwarding cores.
251  */
252 static void
253 parse_fwd_portmask(const char *portmask)
254 {
255 	char *end;
256 	unsigned long long int pm;
257 
258 	/* parse hexadecimal string */
259 	end = NULL;
260 	pm = strtoull(portmask, &end, 16);
261 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
262 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
263 	else
264 		set_fwd_ports_mask((uint64_t) pm);
265 }
266 
267 
268 static int
269 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
270 {
271 	char s[256];
272 	const char *p, *p0 = q_arg;
273 	char *end;
274 	enum fieldnames {
275 		FLD_PORT = 0,
276 		FLD_QUEUE,
277 		FLD_STATS_COUNTER,
278 		_NUM_FLD
279 	};
280 	unsigned long int_fld[_NUM_FLD];
281 	char *str_fld[_NUM_FLD];
282 	int i;
283 	unsigned size;
284 
285 	/* reset from value set at definition */
286 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
287 
288 	while ((p = strchr(p0,'(')) != NULL) {
289 		++p;
290 		if((p0 = strchr(p,')')) == NULL)
291 			return -1;
292 
293 		size = p0 - p;
294 		if(size >= sizeof(s))
295 			return -1;
296 
297 		snprintf(s, sizeof(s), "%.*s", size, p);
298 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
299 			return -1;
300 		for (i = 0; i < _NUM_FLD; i++){
301 			errno = 0;
302 			int_fld[i] = strtoul(str_fld[i], &end, 0);
303 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
304 				return -1;
305 		}
306 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
307 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
308 			printf("Stats counter not in the correct range 0..%d\n",
309 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
310 			return -1;
311 		}
312 
313 		if (!is_rx) {
314 			if ((nb_tx_queue_stats_mappings >=
315 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
316 				printf("exceeded max number of TX queue "
317 						"statistics mappings: %hu\n",
318 						nb_tx_queue_stats_mappings);
319 				return -1;
320 			}
321 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
322 				(uint8_t)int_fld[FLD_PORT];
323 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
324 				(uint8_t)int_fld[FLD_QUEUE];
325 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
326 				(uint8_t)int_fld[FLD_STATS_COUNTER];
327 			++nb_tx_queue_stats_mappings;
328 		}
329 		else {
330 			if ((nb_rx_queue_stats_mappings >=
331 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
332 				printf("exceeded max number of RX queue "
333 						"statistics mappings: %hu\n",
334 						nb_rx_queue_stats_mappings);
335 				return -1;
336 			}
337 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
338 				(uint8_t)int_fld[FLD_PORT];
339 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
340 				(uint8_t)int_fld[FLD_QUEUE];
341 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
342 				(uint8_t)int_fld[FLD_STATS_COUNTER];
343 			++nb_rx_queue_stats_mappings;
344 		}
345 
346 	}
347 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
348 /* than to the default array (that was set at its definition) */
349 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
350 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
351 	return 0;
352 }
353 
354 static int
355 parse_portnuma_config(const char *q_arg)
356 {
357 	char s[256];
358 	const char *p, *p0 = q_arg;
359 	char *end;
360 	uint8_t i,port_id,socket_id;
361 	unsigned size;
362 	enum fieldnames {
363 		FLD_PORT = 0,
364 		FLD_SOCKET,
365 		_NUM_FLD
366 	};
367 	unsigned long int_fld[_NUM_FLD];
368 	char *str_fld[_NUM_FLD];
369 
370 	/* reset from value set at definition */
371 	while ((p = strchr(p0,'(')) != NULL) {
372 		++p;
373 		if((p0 = strchr(p,')')) == NULL)
374 			return -1;
375 
376 		size = p0 - p;
377 		if(size >= sizeof(s))
378 			return -1;
379 
380 		snprintf(s, sizeof(s), "%.*s", size, p);
381 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
382 			return -1;
383 		for (i = 0; i < _NUM_FLD; i++) {
384 			errno = 0;
385 			int_fld[i] = strtoul(str_fld[i], &end, 0);
386 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
387 				return -1;
388 		}
389 		port_id = (uint8_t)int_fld[FLD_PORT];
390 		if (port_id >= nb_ports) {
391 			printf("Invalid port, range is [0, %d]\n", nb_ports - 1);
392 			return -1;
393 		}
394 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
395 		if(socket_id >= MAX_SOCKET) {
396 			printf("Invalid socket id, range is [0, %d]\n",
397 				 MAX_SOCKET - 1);
398 			return -1;
399 		}
400 		port_numa[port_id] = socket_id;
401 	}
402 
403 	return 0;
404 }
405 
406 static int
407 parse_ringnuma_config(const char *q_arg)
408 {
409 	char s[256];
410 	const char *p, *p0 = q_arg;
411 	char *end;
412 	uint8_t i,port_id,ring_flag,socket_id;
413 	unsigned size;
414 	enum fieldnames {
415 		FLD_PORT = 0,
416 		FLD_FLAG,
417 		FLD_SOCKET,
418 		_NUM_FLD
419 	};
420 	unsigned long int_fld[_NUM_FLD];
421 	char *str_fld[_NUM_FLD];
422 	#define RX_RING_ONLY 0x1
423 	#define TX_RING_ONLY 0x2
424 	#define RXTX_RING    0x3
425 
426 	/* reset from value set at definition */
427 	while ((p = strchr(p0,'(')) != NULL) {
428 		++p;
429 		if((p0 = strchr(p,')')) == NULL)
430 			return -1;
431 
432 		size = p0 - p;
433 		if(size >= sizeof(s))
434 			return -1;
435 
436 		snprintf(s, sizeof(s), "%.*s", size, p);
437 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
438 			return -1;
439 		for (i = 0; i < _NUM_FLD; i++) {
440 			errno = 0;
441 			int_fld[i] = strtoul(str_fld[i], &end, 0);
442 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
443 				return -1;
444 		}
445 		port_id = (uint8_t)int_fld[FLD_PORT];
446 		if (port_id >= nb_ports) {
447 			printf("Invalid port, range is [0, %d]\n", nb_ports - 1);
448 			return -1;
449 		}
450 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
451 		if (socket_id >= MAX_SOCKET) {
452 			printf("Invalid socket id, range is [0, %d]\n",
453 				MAX_SOCKET - 1);
454 			return -1;
455 		}
456 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
457 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
458 			printf("Invalid ring-flag=%d config for port =%d\n",
459 				ring_flag,port_id);
460 			return -1;
461 		}
462 
463 		switch (ring_flag & RXTX_RING) {
464 		case RX_RING_ONLY:
465 			rxring_numa[port_id] = socket_id;
466 			break;
467 		case TX_RING_ONLY:
468 			txring_numa[port_id] = socket_id;
469 			break;
470 		case RXTX_RING:
471 			rxring_numa[port_id] = socket_id;
472 			txring_numa[port_id] = socket_id;
473 			break;
474 		default:
475 			printf("Invalid ring-flag=%d config for port=%d\n",
476 				ring_flag,port_id);
477 			break;
478 		}
479 	}
480 
481 	return 0;
482 }
483 
484 void
485 launch_args_parse(int argc, char** argv)
486 {
487 	int n, opt;
488 	char **argvopt;
489 	int opt_idx;
490 	enum { TX, RX };
491 
492 	static struct option lgopts[] = {
493 		{ "help",			0, 0, 0 },
494 #ifdef RTE_LIBRTE_CMDLINE
495 		{ "interactive",		0, 0, 0 },
496 		{ "auto-start",			0, 0, 0 },
497 		{ "eth-peers-configfile",	1, 0, 0 },
498 		{ "eth-peer",			1, 0, 0 },
499 #endif
500 		{ "ports",			1, 0, 0 },
501 		{ "nb-cores",			1, 0, 0 },
502 		{ "nb-ports",			1, 0, 0 },
503 		{ "coremask",			1, 0, 0 },
504 		{ "portmask",			1, 0, 0 },
505 		{ "numa",			0, 0, 0 },
506 		{ "mp-anon",			0, 0, 0 },
507 		{ "port-numa-config",           1, 0, 0 },
508 		{ "ring-numa-config",           1, 0, 0 },
509 		{ "socket-num",			1, 0, 0 },
510 		{ "mbuf-size",			1, 0, 0 },
511 		{ "total-num-mbufs",		1, 0, 0 },
512 		{ "max-pkt-len",		1, 0, 0 },
513 		{ "pkt-filter-mode",            1, 0, 0 },
514 		{ "pkt-filter-report-hash",     1, 0, 0 },
515 		{ "pkt-filter-size",            1, 0, 0 },
516 		{ "pkt-filter-drop-queue",      1, 0, 0 },
517 		{ "crc-strip",                  0, 0, 0 },
518 		{ "enable-rx-cksum",            0, 0, 0 },
519 		{ "disable-hw-vlan",            0, 0, 0 },
520 		{ "enable-drop-en",            0, 0, 0 },
521 		{ "disable-rss",                0, 0, 0 },
522 		{ "port-topology",              1, 0, 0 },
523 		{ "forward-mode",               1, 0, 0 },
524 		{ "rss-ip",			0, 0, 0 },
525 		{ "rss-udp",			0, 0, 0 },
526 		{ "rxq",			1, 0, 0 },
527 		{ "txq",			1, 0, 0 },
528 		{ "rxd",			1, 0, 0 },
529 		{ "txd",			1, 0, 0 },
530 		{ "burst",			1, 0, 0 },
531 		{ "mbcache",			1, 0, 0 },
532 		{ "txpt",			1, 0, 0 },
533 		{ "txht",			1, 0, 0 },
534 		{ "txwt",			1, 0, 0 },
535 		{ "txfreet",			1, 0, 0 },
536 		{ "txrst",			1, 0, 0 },
537 		{ "txqflags",			1, 0, 0 },
538 		{ "rxpt",			1, 0, 0 },
539 		{ "rxht",			1, 0, 0 },
540 		{ "rxwt",			1, 0, 0 },
541 		{ "rxfreet",                    1, 0, 0 },
542 		{ "tx-queue-stats-mapping",	1, 0, 0 },
543 		{ "rx-queue-stats-mapping",	1, 0, 0 },
544 		{ "no-flush-rx",	0, 0, 0 },
545 		{ "txpkts",			1, 0, 0 },
546 		{ "disable-link-check",		0, 0, 0 },
547 		{ 0, 0, 0, 0 },
548 	};
549 
550 	argvopt = argv;
551 
552 #ifdef RTE_LIBRTE_CMDLINE
553 #define SHORTOPTS "i"
554 #else
555 #define SHORTOPTS ""
556 #endif
557 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
558 				 lgopts, &opt_idx)) != EOF) {
559 		switch (opt) {
560 #ifdef RTE_LIBRTE_CMDLINE
561 		case 'i':
562 			printf("Interactive-mode selected\n");
563 			interactive = 1;
564 			break;
565 #endif
566 		case 'a':
567 			printf("Auto-start selected\n");
568 			auto_start = 1;
569 			break;
570 
571 		case 0: /*long options */
572 			if (!strcmp(lgopts[opt_idx].name, "help")) {
573 				usage(argv[0]);
574 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
575 			}
576 #ifdef RTE_LIBRTE_CMDLINE
577 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
578 				printf("Interactive-mode selected\n");
579 				interactive = 1;
580 			}
581 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
582 				printf("Auto-start selected\n");
583 				auto_start = 1;
584 			}
585 			if (!strcmp(lgopts[opt_idx].name,
586 				    "eth-peers-configfile")) {
587 				if (init_peer_eth_addrs(optarg) != 0)
588 					rte_exit(EXIT_FAILURE,
589 						 "Cannot open logfile\n");
590 			}
591 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
592 				char *port_end;
593 				uint8_t c, peer_addr[6];
594 
595 				errno = 0;
596 				n = strtoul(optarg, &port_end, 10);
597 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
598 					rte_exit(EXIT_FAILURE,
599 						 "Invalid eth-peer: %s", optarg);
600 				if (n >= RTE_MAX_ETHPORTS)
601 					rte_exit(EXIT_FAILURE,
602 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
603 						 n, RTE_MAX_ETHPORTS);
604 
605 				if (cmdline_parse_etheraddr(NULL, port_end,
606 						&peer_addr, sizeof(peer_addr)) < 0)
607 					rte_exit(EXIT_FAILURE,
608 						 "Invalid ethernet address: %s\n",
609 						 port_end);
610 				for (c = 0; c < 6; c++)
611 					peer_eth_addrs[n].addr_bytes[c] =
612 						peer_addr[c];
613 				nb_peer_eth_addrs++;
614 			}
615 #endif
616 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
617 				n = atoi(optarg);
618 				if (n > 0 && n <= nb_ports)
619 					nb_fwd_ports = (uint8_t) n;
620 				else
621 					rte_exit(EXIT_FAILURE,
622 						 "nb-ports should be > 0 and <= %d\n",
623 						 nb_ports);
624 			}
625 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
626 				n = atoi(optarg);
627 				if (n > 0 && n <= nb_lcores)
628 					nb_fwd_lcores = (uint8_t) n;
629 				else
630 					rte_exit(EXIT_FAILURE,
631 						 "nb-cores should be > 0 and <= %d\n",
632 						 nb_lcores);
633 			}
634 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
635 				parse_fwd_coremask(optarg);
636 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
637 				parse_fwd_portmask(optarg);
638 			if (!strcmp(lgopts[opt_idx].name, "numa")) {
639 				numa_support = 1;
640 				memset(port_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
641 				memset(rxring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
642 				memset(txring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
643 			}
644 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
645 				mp_anon = 1;
646 			}
647 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
648 				if (parse_portnuma_config(optarg))
649 					rte_exit(EXIT_FAILURE,
650 					   "invalid port-numa configuration\n");
651 			}
652 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
653 				if (parse_ringnuma_config(optarg))
654 					rte_exit(EXIT_FAILURE,
655 					   "invalid ring-numa configuration\n");
656 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
657 				n = atoi(optarg);
658 				if(n < MAX_SOCKET)
659 					socket_num = (uint8_t)n;
660 				else
661 					rte_exit(EXIT_FAILURE,
662 						"The socket number should be < %d\n",
663 						MAX_SOCKET);
664 			}
665 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
666 				n = atoi(optarg);
667 				if (n > 0 && n <= 0xFFFF)
668 					mbuf_data_size = (uint16_t) n;
669 				else
670 					rte_exit(EXIT_FAILURE,
671 						 "mbuf-size should be > 0 and < 65536\n");
672 			}
673 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
674 				n = atoi(optarg);
675 				if (n > 1024)
676 					param_total_num_mbufs = (unsigned)n;
677 				else
678 					rte_exit(EXIT_FAILURE,
679 						 "total-num-mbufs should be > 1024\n");
680 			}
681 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
682 				n = atoi(optarg);
683 				if (n >= ETHER_MIN_LEN) {
684 					rx_mode.max_rx_pkt_len = (uint32_t) n;
685 					if (n > ETHER_MAX_LEN)
686 					    rx_mode.jumbo_frame = 1;
687 				} else
688 					rte_exit(EXIT_FAILURE,
689 						 "Invalid max-pkt-len=%d - should be > %d\n",
690 						 n, ETHER_MIN_LEN);
691 			}
692 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
693 				if (!strcmp(optarg, "signature"))
694 					fdir_conf.mode =
695 						RTE_FDIR_MODE_SIGNATURE;
696 				else if (!strcmp(optarg, "perfect"))
697 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
698 				else if (!strcmp(optarg, "none"))
699 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
700 				else
701 					rte_exit(EXIT_FAILURE,
702 						 "pkt-mode-invalid %s invalid - must be: "
703 						 "none, signature or perfect\n",
704 						 optarg);
705 			}
706 			if (!strcmp(lgopts[opt_idx].name,
707 				    "pkt-filter-report-hash")) {
708 				if (!strcmp(optarg, "none"))
709 					fdir_conf.status =
710 						RTE_FDIR_NO_REPORT_STATUS;
711 				else if (!strcmp(optarg, "match"))
712 					fdir_conf.status =
713 						RTE_FDIR_REPORT_STATUS;
714 				else if (!strcmp(optarg, "always"))
715 					fdir_conf.status =
716 						RTE_FDIR_REPORT_STATUS_ALWAYS;
717 				else
718 					rte_exit(EXIT_FAILURE,
719 						 "pkt-filter-report-hash %s invalid "
720 						 "- must be: none or match or always\n",
721 						 optarg);
722 			}
723 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
724 				if (!strcmp(optarg, "64K"))
725 					fdir_conf.pballoc =
726 						RTE_FDIR_PBALLOC_64K;
727 				else if (!strcmp(optarg, "128K"))
728 					fdir_conf.pballoc =
729 						RTE_FDIR_PBALLOC_128K;
730 				else if (!strcmp(optarg, "256K"))
731 					fdir_conf.pballoc =
732 						RTE_FDIR_PBALLOC_256K;
733 				else
734 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
735 						 " must be: 64K or 128K or 256K\n",
736 						 optarg);
737 			}
738 			if (!strcmp(lgopts[opt_idx].name,
739 				    "pkt-filter-drop-queue")) {
740 				n = atoi(optarg);
741 				if (n >= 0)
742 					fdir_conf.drop_queue = (uint8_t) n;
743 				else
744 					rte_exit(EXIT_FAILURE,
745 						 "drop queue %d invalid - must"
746 						 "be >= 0 \n", n);
747 			}
748 			if (!strcmp(lgopts[opt_idx].name, "crc-strip"))
749 				rx_mode.hw_strip_crc = 1;
750 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
751 				rx_mode.hw_ip_checksum = 1;
752 
753 			if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) {
754 				rx_mode.hw_vlan_filter = 0;
755 				rx_mode.hw_vlan_strip  = 0;
756 				rx_mode.hw_vlan_extend = 0;
757 			}
758 
759 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
760 				rx_drop_en = 1;
761 
762 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
763 				rss_hf = 0;
764 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
765 				if (!strcmp(optarg, "paired"))
766 					port_topology = PORT_TOPOLOGY_PAIRED;
767 				else if (!strcmp(optarg, "chained"))
768 					port_topology = PORT_TOPOLOGY_CHAINED;
769 				else if (!strcmp(optarg, "loop"))
770 					port_topology = PORT_TOPOLOGY_LOOP;
771 				else
772 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
773 						 " must be: paired or chained \n",
774 						 optarg);
775 			}
776 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
777 				set_pkt_forwarding_mode(optarg);
778 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
779 				rss_hf = ETH_RSS_IP;
780 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
781 				rss_hf = ETH_RSS_UDP;
782 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
783 				n = atoi(optarg);
784 				if (n >= 1 && n <= (int) MAX_QUEUE_ID)
785 					nb_rxq = (queueid_t) n;
786 				else
787 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
788 						  " >= 1 && <= %d\n", n,
789 						  (int) MAX_QUEUE_ID);
790 			}
791 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
792 				n = atoi(optarg);
793 				if (n >= 1 && n <= (int) MAX_QUEUE_ID)
794 					nb_txq = (queueid_t) n;
795 				else
796 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
797 						  " >= 1 && <= %d\n", n,
798 						  (int) MAX_QUEUE_ID);
799 			}
800 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
801 				n = atoi(optarg);
802 				if ((n >= 1) && (n <= MAX_PKT_BURST))
803 					nb_pkt_per_burst = (uint16_t) n;
804 				else
805 					rte_exit(EXIT_FAILURE,
806 						 "burst must >= 1 and <= %d]",
807 						 MAX_PKT_BURST);
808 			}
809 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
810 				n = atoi(optarg);
811 				if ((n >= 0) &&
812 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
813 					mb_mempool_cache = (uint16_t) n;
814 				else
815 					rte_exit(EXIT_FAILURE,
816 						 "mbcache must be >= 0 and <= %d\n",
817 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
818 			}
819 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
820 				n = atoi(optarg);
821 				if (n >= 0)
822 					tx_free_thresh = (int16_t)n;
823 				else
824 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
825 			}
826 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
827 				n = atoi(optarg);
828 				if (n >= 0)
829 					tx_rs_thresh = (int16_t)n;
830 				else
831 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
832 			}
833 			if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
834 				char *end = NULL;
835 				n = strtoul(optarg, &end, 16);
836 				if (n >= 0)
837 					txq_flags = (int32_t)n;
838 				else
839 					rte_exit(EXIT_FAILURE,
840 						 "txqflags must be >= 0\n");
841 			}
842 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
843 				n = atoi(optarg);
844 				if (n > 0) {
845 					if (rx_free_thresh >= n)
846 						rte_exit(EXIT_FAILURE,
847 							 "rxd must be > "
848 							 "rx_free_thresh(%d)\n",
849 							 (int)rx_free_thresh);
850 					else
851 						nb_rxd = (uint16_t) n;
852 				} else
853 					rte_exit(EXIT_FAILURE,
854 						 "rxd(%d) invalid - must be > 0\n",
855 						 n);
856 			}
857 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
858 				n = atoi(optarg);
859 				if (n > 0)
860 					nb_txd = (uint16_t) n;
861 				else
862 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
863 			}
864 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
865 				n = atoi(optarg);
866 				if (n >= 0)
867 					tx_pthresh = (int8_t)n;
868 				else
869 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
870 			}
871 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
872 				n = atoi(optarg);
873 				if (n >= 0)
874 					tx_hthresh = (int8_t)n;
875 				else
876 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
877 			}
878 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
879 				n = atoi(optarg);
880 				if (n >= 0)
881 					tx_wthresh = (int8_t)n;
882 				else
883 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
884 			}
885 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
886 				n = atoi(optarg);
887 				if (n >= 0)
888 					rx_pthresh = (int8_t)n;
889 				else
890 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
891 			}
892 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
893 				n = atoi(optarg);
894 				if (n >= 0)
895 					rx_hthresh = (int8_t)n;
896 				else
897 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
898 			}
899 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
900 				n = atoi(optarg);
901 				if (n >= 0)
902 					rx_wthresh = (int8_t)n;
903 				else
904 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
905 			}
906 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
907 				n = atoi(optarg);
908 				if (n >= 0)
909 					rx_free_thresh = (int16_t)n;
910 				else
911 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
912 			}
913 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
914 				if (parse_queue_stats_mapping_config(optarg, TX)) {
915 					rte_exit(EXIT_FAILURE,
916 						 "invalid TX queue statistics mapping config entered\n");
917 				}
918 			}
919 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
920 				if (parse_queue_stats_mapping_config(optarg, RX)) {
921 					rte_exit(EXIT_FAILURE,
922 						 "invalid RX queue statistics mapping config entered\n");
923 				}
924 			}
925 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
926 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
927 				unsigned int nb_segs;
928 
929 				nb_segs = parse_item_list(optarg, "txpkt segments",
930 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
931 				if (nb_segs > 0)
932 					set_tx_pkt_segments(seg_lengths, nb_segs);
933 				else
934 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
935 			}
936 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
937 				no_flush_rx = 1;
938 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
939 				no_link_check = 1;
940 
941 			break;
942 		case 'h':
943 			usage(argv[0]);
944 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
945 			break;
946 		default:
947 			usage(argv[0]);
948 			rte_exit(EXIT_FAILURE,
949 				 "Command line is incomplete or incorrect\n");
950 			break;
951 		}
952 	}
953 }
954