xref: /dpdk/app/test-pmd/parameters.c (revision 2f45703c17acb943aaded9f79676fd56a72542b2)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2016 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_eal.h>
62 #include <rte_per_lcore.h>
63 #include <rte_lcore.h>
64 #include <rte_atomic.h>
65 #include <rte_branch_prediction.h>
66 #include <rte_mempool.h>
67 #include <rte_interrupts.h>
68 #include <rte_pci.h>
69 #include <rte_ether.h>
70 #include <rte_ethdev.h>
71 #include <rte_string_fns.h>
72 #ifdef RTE_LIBRTE_CMDLINE
73 #include <cmdline_parse.h>
74 #include <cmdline_parse_etheraddr.h>
75 #endif
76 #ifdef RTE_LIBRTE_PMD_BOND
77 #include <rte_eth_bond.h>
78 #endif
79 
80 #include "testpmd.h"
81 
82 static void
83 usage(char* progname)
84 {
85 	printf("usage: %s "
86 #ifdef RTE_LIBRTE_CMDLINE
87 	       "[--interactive|-i] "
88 #endif
89 	       "[--help|-h] | [--auto-start|-a] | ["
90 	       "--coremask=COREMASK --portmask=PORTMASK --numa "
91 	       "--mbuf-size= | --total-num-mbufs= | "
92 	       "--nb-cores= | --nb-ports= | "
93 #ifdef RTE_LIBRTE_CMDLINE
94 	       "--eth-peers-configfile= | "
95 	       "--eth-peer=X,M:M:M:M:M:M | "
96 #endif
97 	       "--pkt-filter-mode= |"
98 	       "--rss-ip | --rss-udp | "
99 	       "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
100 	       "--txpt= | --txht= | --txwt= | --txfreet= | "
101 	       "--txrst= | --txqflags= ]\n",
102 	       progname);
103 #ifdef RTE_LIBRTE_CMDLINE
104 	printf("  --interactive: run in interactive mode.\n");
105 #endif
106 	printf("  --auto-start: start forwarding on init "
107 	       "[always when non-interactive].\n");
108 	printf("  --help: display this message and quit.\n");
109 	printf("  --nb-cores=N: set the number of forwarding cores "
110 	       "(1 <= N <= %d).\n", nb_lcores);
111 	printf("  --nb-ports=N: set the number of forwarding ports "
112 	       "(1 <= N <= %d).\n", nb_ports);
113 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
114 	       "the packet forwarding test. The master lcore is reserved for "
115 	       "command line parsing only, and cannot be masked on for "
116 	       "packet forwarding.\n");
117 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
118 	       "by the packet forwarding test.\n");
119 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
120 	       "RX memory buffers (mbufs).\n");
121 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
122 	       "specify the socket on which the memory pool "
123 	       "used by the port will be allocated.\n");
124 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
125 	       "specify the socket on which the TX/RX rings for "
126 	       "the port will be allocated "
127 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
128 	printf("  --socket-num=N: set socket from which all memory is allocated "
129 	       "in NUMA mode.\n");
130 	printf("  --mbuf-size=N: set the data size of mbuf to N bytes.\n");
131 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
132 	       "in mbuf pools.\n");
133 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
134 #ifdef RTE_LIBRTE_CMDLINE
135 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
136 	       "of peer ports.\n");
137 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
138 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
139 #endif
140 	printf("  --pkt-filter-mode=N: set Flow Director mode "
141 	       "(N: none (default mode) or signature or perfect).\n");
142 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
143 	       "(N: none  or match (default) or always).\n");
144 	printf("  --pkt-filter-size=N: set Flow Director mode "
145 	       "(N: 64K (default mode) or 128K or 256K).\n");
146 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
147 	       "In perfect mode, when you add a rule with queue = -1 "
148 	       "the packet will be enqueued into the rx drop-queue. "
149 	       "If the drop-queue doesn't exist, the packet is dropped. "
150 	       "By default drop-queue=127.\n");
151 	printf("  --crc-strip: enable CRC stripping by hardware.\n");
152 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
153 	printf("  --disable-hw-vlan: disable hardware vlan.\n");
154 	printf("  --disable-hw-vlan-filter: disable hardware vlan filter.\n");
155 	printf("  --disable-hw-vlan-strip: disable hardware vlan strip.\n");
156 	printf("  --disable-hw-vlan-extend: disable hardware vlan extend.\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.\n");
172 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
173 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
174 	       "(0 <= N < value of rxd).\n");
175 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
176 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
177 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
178 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
179 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
180 	       "(0 <= N <= value of txd).\n");
181 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
182 	       "(0 <= N <= value of txd).\n");
183 	printf("  --txqflags=0xXXXXXXXX: hexadecimal bitmask of TX queue flags "
184 	       "(0 <= N <= 0x7FFFFFFF).\n");
185 	printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
186 	       "tx queues statistics counters mapping "
187 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
188 	printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
189 	       "rx queues statistics counters mapping "
190 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
191 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
192 	       " Used mainly with PCAP drivers.\n");
193 	printf("  --txpkts=X[,Y]*: set TX segment sizes.\n");
194 	printf("  --disable-link-check: disable check on link status when "
195 	       "starting/stopping ports.\n");
196 }
197 
198 #ifdef RTE_LIBRTE_CMDLINE
199 static int
200 init_peer_eth_addrs(char *config_filename)
201 {
202 	FILE *config_file;
203 	portid_t i;
204 	char buf[50];
205 
206 	config_file = fopen(config_filename, "r");
207 	if (config_file == NULL) {
208 		perror("Failed to open eth config file\n");
209 		return -1;
210 	}
211 
212 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
213 
214 		if (fgets(buf, sizeof(buf), config_file) == NULL)
215 			break;
216 
217 		if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i],
218 				sizeof(peer_eth_addrs[i])) < 0) {
219 			printf("Bad MAC address format on line %d\n", i+1);
220 			fclose(config_file);
221 			return -1;
222 		}
223 	}
224 	fclose(config_file);
225 	nb_peer_eth_addrs = (portid_t) i;
226 	return 0;
227 }
228 #endif
229 
230 /*
231  * Parse the coremask given as argument (hexadecimal string) and set
232  * the global configuration of forwarding cores.
233  */
234 static void
235 parse_fwd_coremask(const char *coremask)
236 {
237 	char *end;
238 	unsigned long long int cm;
239 
240 	/* parse hexadecimal string */
241 	end = NULL;
242 	cm = strtoull(coremask, &end, 16);
243 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
244 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
245 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
246 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
247 }
248 
249 /*
250  * Parse the coremask given as argument (hexadecimal string) and set
251  * the global configuration of forwarding cores.
252  */
253 static void
254 parse_fwd_portmask(const char *portmask)
255 {
256 	char *end;
257 	unsigned long long int pm;
258 
259 	/* parse hexadecimal string */
260 	end = NULL;
261 	pm = strtoull(portmask, &end, 16);
262 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
263 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
264 	else
265 		set_fwd_ports_mask((uint64_t) pm);
266 }
267 
268 
269 static int
270 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
271 {
272 	char s[256];
273 	const char *p, *p0 = q_arg;
274 	char *end;
275 	enum fieldnames {
276 		FLD_PORT = 0,
277 		FLD_QUEUE,
278 		FLD_STATS_COUNTER,
279 		_NUM_FLD
280 	};
281 	unsigned long int_fld[_NUM_FLD];
282 	char *str_fld[_NUM_FLD];
283 	int i;
284 	unsigned size;
285 
286 	/* reset from value set at definition */
287 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
288 
289 	while ((p = strchr(p0,'(')) != NULL) {
290 		++p;
291 		if((p0 = strchr(p,')')) == NULL)
292 			return -1;
293 
294 		size = p0 - p;
295 		if(size >= sizeof(s))
296 			return -1;
297 
298 		snprintf(s, sizeof(s), "%.*s", size, p);
299 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
300 			return -1;
301 		for (i = 0; i < _NUM_FLD; i++){
302 			errno = 0;
303 			int_fld[i] = strtoul(str_fld[i], &end, 0);
304 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
305 				return -1;
306 		}
307 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
308 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
309 			printf("Stats counter not in the correct range 0..%d\n",
310 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
311 			return -1;
312 		}
313 
314 		if (!is_rx) {
315 			if ((nb_tx_queue_stats_mappings >=
316 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
317 				printf("exceeded max number of TX queue "
318 						"statistics mappings: %hu\n",
319 						nb_tx_queue_stats_mappings);
320 				return -1;
321 			}
322 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
323 				(uint8_t)int_fld[FLD_PORT];
324 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
325 				(uint8_t)int_fld[FLD_QUEUE];
326 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
327 				(uint8_t)int_fld[FLD_STATS_COUNTER];
328 			++nb_tx_queue_stats_mappings;
329 		}
330 		else {
331 			if ((nb_rx_queue_stats_mappings >=
332 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
333 				printf("exceeded max number of RX queue "
334 						"statistics mappings: %hu\n",
335 						nb_rx_queue_stats_mappings);
336 				return -1;
337 			}
338 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
339 				(uint8_t)int_fld[FLD_PORT];
340 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
341 				(uint8_t)int_fld[FLD_QUEUE];
342 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
343 				(uint8_t)int_fld[FLD_STATS_COUNTER];
344 			++nb_rx_queue_stats_mappings;
345 		}
346 
347 	}
348 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
349 /* than to the default array (that was set at its definition) */
350 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
351 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
352 	return 0;
353 }
354 
355 static int
356 parse_portnuma_config(const char *q_arg)
357 {
358 	char s[256];
359 	const char *p, *p0 = q_arg;
360 	char *end;
361 	uint8_t i,port_id,socket_id;
362 	unsigned size;
363 	enum fieldnames {
364 		FLD_PORT = 0,
365 		FLD_SOCKET,
366 		_NUM_FLD
367 	};
368 	unsigned long int_fld[_NUM_FLD];
369 	char *str_fld[_NUM_FLD];
370 	portid_t pid;
371 
372 	/* reset from value set at definition */
373 	while ((p = strchr(p0,'(')) != NULL) {
374 		++p;
375 		if((p0 = strchr(p,')')) == NULL)
376 			return -1;
377 
378 		size = p0 - p;
379 		if(size >= sizeof(s))
380 			return -1;
381 
382 		snprintf(s, sizeof(s), "%.*s", size, p);
383 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
384 			return -1;
385 		for (i = 0; i < _NUM_FLD; i++) {
386 			errno = 0;
387 			int_fld[i] = strtoul(str_fld[i], &end, 0);
388 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
389 				return -1;
390 		}
391 		port_id = (uint8_t)int_fld[FLD_PORT];
392 		if (port_id_is_invalid(port_id, ENABLED_WARN)) {
393 			printf("Valid port range is [0");
394 			FOREACH_PORT(pid, ports)
395 				printf(", %d", pid);
396 			printf("]\n");
397 			return -1;
398 		}
399 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
400 		if(socket_id >= max_socket) {
401 			printf("Invalid socket id, range is [0, %d]\n",
402 				 max_socket - 1);
403 			return -1;
404 		}
405 		port_numa[port_id] = socket_id;
406 	}
407 
408 	return 0;
409 }
410 
411 static int
412 parse_ringnuma_config(const char *q_arg)
413 {
414 	char s[256];
415 	const char *p, *p0 = q_arg;
416 	char *end;
417 	uint8_t i,port_id,ring_flag,socket_id;
418 	unsigned size;
419 	enum fieldnames {
420 		FLD_PORT = 0,
421 		FLD_FLAG,
422 		FLD_SOCKET,
423 		_NUM_FLD
424 	};
425 	unsigned long int_fld[_NUM_FLD];
426 	char *str_fld[_NUM_FLD];
427 	portid_t pid;
428 	#define RX_RING_ONLY 0x1
429 	#define TX_RING_ONLY 0x2
430 	#define RXTX_RING    0x3
431 
432 	/* reset from value set at definition */
433 	while ((p = strchr(p0,'(')) != NULL) {
434 		++p;
435 		if((p0 = strchr(p,')')) == NULL)
436 			return -1;
437 
438 		size = p0 - p;
439 		if(size >= sizeof(s))
440 			return -1;
441 
442 		snprintf(s, sizeof(s), "%.*s", size, p);
443 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
444 			return -1;
445 		for (i = 0; i < _NUM_FLD; i++) {
446 			errno = 0;
447 			int_fld[i] = strtoul(str_fld[i], &end, 0);
448 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
449 				return -1;
450 		}
451 		port_id = (uint8_t)int_fld[FLD_PORT];
452 		if (port_id_is_invalid(port_id, ENABLED_WARN)) {
453 			printf("Valid port range is [0");
454 			FOREACH_PORT(pid, ports)
455 				printf(", %d", pid);
456 			printf("]\n");
457 			return -1;
458 		}
459 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
460 		if (socket_id >= max_socket) {
461 			printf("Invalid socket id, range is [0, %d]\n",
462 				max_socket - 1);
463 			return -1;
464 		}
465 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
466 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
467 			printf("Invalid ring-flag=%d config for port =%d\n",
468 				ring_flag,port_id);
469 			return -1;
470 		}
471 
472 		switch (ring_flag & RXTX_RING) {
473 		case RX_RING_ONLY:
474 			rxring_numa[port_id] = socket_id;
475 			break;
476 		case TX_RING_ONLY:
477 			txring_numa[port_id] = socket_id;
478 			break;
479 		case RXTX_RING:
480 			rxring_numa[port_id] = socket_id;
481 			txring_numa[port_id] = socket_id;
482 			break;
483 		default:
484 			printf("Invalid ring-flag=%d config for port=%d\n",
485 				ring_flag,port_id);
486 			break;
487 		}
488 	}
489 
490 	return 0;
491 }
492 
493 void
494 launch_args_parse(int argc, char** argv)
495 {
496 	int n, opt;
497 	char **argvopt;
498 	int opt_idx;
499 	enum { TX, RX };
500 
501 	static struct option lgopts[] = {
502 		{ "help",			0, 0, 0 },
503 #ifdef RTE_LIBRTE_CMDLINE
504 		{ "interactive",		0, 0, 0 },
505 		{ "auto-start",			0, 0, 0 },
506 		{ "eth-peers-configfile",	1, 0, 0 },
507 		{ "eth-peer",			1, 0, 0 },
508 #endif
509 		{ "ports",			1, 0, 0 },
510 		{ "nb-cores",			1, 0, 0 },
511 		{ "nb-ports",			1, 0, 0 },
512 		{ "coremask",			1, 0, 0 },
513 		{ "portmask",			1, 0, 0 },
514 		{ "numa",			0, 0, 0 },
515 		{ "mp-anon",			0, 0, 0 },
516 		{ "port-numa-config",           1, 0, 0 },
517 		{ "ring-numa-config",           1, 0, 0 },
518 		{ "socket-num",			1, 0, 0 },
519 		{ "mbuf-size",			1, 0, 0 },
520 		{ "total-num-mbufs",		1, 0, 0 },
521 		{ "max-pkt-len",		1, 0, 0 },
522 		{ "pkt-filter-mode",            1, 0, 0 },
523 		{ "pkt-filter-report-hash",     1, 0, 0 },
524 		{ "pkt-filter-size",            1, 0, 0 },
525 		{ "pkt-filter-drop-queue",      1, 0, 0 },
526 		{ "crc-strip",                  0, 0, 0 },
527 		{ "enable-rx-cksum",            0, 0, 0 },
528 		{ "enable-scatter",             0, 0, 0 },
529 		{ "disable-hw-vlan",            0, 0, 0 },
530 		{ "disable-hw-vlan-filter",     0, 0, 0 },
531 		{ "disable-hw-vlan-strip",      0, 0, 0 },
532 		{ "disable-hw-vlan-extend",     0, 0, 0 },
533 		{ "enable-drop-en",            0, 0, 0 },
534 		{ "disable-rss",                0, 0, 0 },
535 		{ "port-topology",              1, 0, 0 },
536 		{ "forward-mode",               1, 0, 0 },
537 		{ "rss-ip",			0, 0, 0 },
538 		{ "rss-udp",			0, 0, 0 },
539 		{ "rxq",			1, 0, 0 },
540 		{ "txq",			1, 0, 0 },
541 		{ "rxd",			1, 0, 0 },
542 		{ "txd",			1, 0, 0 },
543 		{ "burst",			1, 0, 0 },
544 		{ "mbcache",			1, 0, 0 },
545 		{ "txpt",			1, 0, 0 },
546 		{ "txht",			1, 0, 0 },
547 		{ "txwt",			1, 0, 0 },
548 		{ "txfreet",			1, 0, 0 },
549 		{ "txrst",			1, 0, 0 },
550 		{ "txqflags",			1, 0, 0 },
551 		{ "rxpt",			1, 0, 0 },
552 		{ "rxht",			1, 0, 0 },
553 		{ "rxwt",			1, 0, 0 },
554 		{ "rxfreet",                    1, 0, 0 },
555 		{ "tx-queue-stats-mapping",	1, 0, 0 },
556 		{ "rx-queue-stats-mapping",	1, 0, 0 },
557 		{ "no-flush-rx",	0, 0, 0 },
558 		{ "txpkts",			1, 0, 0 },
559 		{ "disable-link-check",		0, 0, 0 },
560 		{ 0, 0, 0, 0 },
561 	};
562 
563 	argvopt = argv;
564 
565 #ifdef RTE_LIBRTE_CMDLINE
566 #define SHORTOPTS "i"
567 #else
568 #define SHORTOPTS ""
569 #endif
570 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
571 				 lgopts, &opt_idx)) != EOF) {
572 		switch (opt) {
573 #ifdef RTE_LIBRTE_CMDLINE
574 		case 'i':
575 			printf("Interactive-mode selected\n");
576 			interactive = 1;
577 			break;
578 #endif
579 		case 'a':
580 			printf("Auto-start selected\n");
581 			auto_start = 1;
582 			break;
583 
584 		case 0: /*long options */
585 			if (!strcmp(lgopts[opt_idx].name, "help")) {
586 				usage(argv[0]);
587 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
588 			}
589 #ifdef RTE_LIBRTE_CMDLINE
590 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
591 				printf("Interactive-mode selected\n");
592 				interactive = 1;
593 			}
594 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
595 				printf("Auto-start selected\n");
596 				auto_start = 1;
597 			}
598 			if (!strcmp(lgopts[opt_idx].name,
599 				    "eth-peers-configfile")) {
600 				if (init_peer_eth_addrs(optarg) != 0)
601 					rte_exit(EXIT_FAILURE,
602 						 "Cannot open logfile\n");
603 			}
604 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
605 				char *port_end;
606 				uint8_t c, peer_addr[6];
607 
608 				errno = 0;
609 				n = strtoul(optarg, &port_end, 10);
610 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
611 					rte_exit(EXIT_FAILURE,
612 						 "Invalid eth-peer: %s", optarg);
613 				if (n >= RTE_MAX_ETHPORTS)
614 					rte_exit(EXIT_FAILURE,
615 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
616 						 n, RTE_MAX_ETHPORTS);
617 
618 				if (cmdline_parse_etheraddr(NULL, port_end,
619 						&peer_addr, sizeof(peer_addr)) < 0)
620 					rte_exit(EXIT_FAILURE,
621 						 "Invalid ethernet address: %s\n",
622 						 port_end);
623 				for (c = 0; c < 6; c++)
624 					peer_eth_addrs[n].addr_bytes[c] =
625 						peer_addr[c];
626 				nb_peer_eth_addrs++;
627 			}
628 #endif
629 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
630 				n = atoi(optarg);
631 				if (n > 0 && n <= nb_ports)
632 					nb_fwd_ports = (uint8_t) n;
633 				else
634 					rte_exit(EXIT_FAILURE,
635 						 "Invalid port %d\n", n);
636 			}
637 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
638 				n = atoi(optarg);
639 				if (n > 0 && n <= nb_lcores)
640 					nb_fwd_lcores = (uint8_t) n;
641 				else
642 					rte_exit(EXIT_FAILURE,
643 						 "nb-cores should be > 0 and <= %d\n",
644 						 nb_lcores);
645 			}
646 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
647 				parse_fwd_coremask(optarg);
648 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
649 				parse_fwd_portmask(optarg);
650 			if (!strcmp(lgopts[opt_idx].name, "numa")) {
651 				numa_support = 1;
652 				memset(port_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
653 				memset(rxring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
654 				memset(txring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
655 			}
656 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
657 				mp_anon = 1;
658 			}
659 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
660 				if (parse_portnuma_config(optarg))
661 					rte_exit(EXIT_FAILURE,
662 					   "invalid port-numa configuration\n");
663 			}
664 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
665 				if (parse_ringnuma_config(optarg))
666 					rte_exit(EXIT_FAILURE,
667 					   "invalid ring-numa configuration\n");
668 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
669 				n = atoi(optarg);
670 				if((uint8_t)n < max_socket)
671 					socket_num = (uint8_t)n;
672 				else
673 					rte_exit(EXIT_FAILURE,
674 						"The socket number should be < %d\n",
675 						max_socket);
676 			}
677 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
678 				n = atoi(optarg);
679 				if (n > 0 && n <= 0xFFFF)
680 					mbuf_data_size = (uint16_t) n;
681 				else
682 					rte_exit(EXIT_FAILURE,
683 						 "mbuf-size should be > 0 and < 65536\n");
684 			}
685 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
686 				n = atoi(optarg);
687 				if (n > 1024)
688 					param_total_num_mbufs = (unsigned)n;
689 				else
690 					rte_exit(EXIT_FAILURE,
691 						 "total-num-mbufs should be > 1024\n");
692 			}
693 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
694 				n = atoi(optarg);
695 				if (n >= ETHER_MIN_LEN) {
696 					rx_mode.max_rx_pkt_len = (uint32_t) n;
697 					if (n > ETHER_MAX_LEN)
698 					    rx_mode.jumbo_frame = 1;
699 				} else
700 					rte_exit(EXIT_FAILURE,
701 						 "Invalid max-pkt-len=%d - should be > %d\n",
702 						 n, ETHER_MIN_LEN);
703 			}
704 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
705 				if (!strcmp(optarg, "signature"))
706 					fdir_conf.mode =
707 						RTE_FDIR_MODE_SIGNATURE;
708 				else if (!strcmp(optarg, "perfect"))
709 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
710 				else if (!strcmp(optarg, "perfect-mac-vlan"))
711 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
712 				else if (!strcmp(optarg, "perfect-tunnel"))
713 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
714 				else if (!strcmp(optarg, "none"))
715 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
716 				else
717 					rte_exit(EXIT_FAILURE,
718 						 "pkt-mode-invalid %s invalid - must be: "
719 						 "none, signature, perfect, perfect-mac-vlan"
720 						 " or perfect-tunnel\n",
721 						 optarg);
722 			}
723 			if (!strcmp(lgopts[opt_idx].name,
724 				    "pkt-filter-report-hash")) {
725 				if (!strcmp(optarg, "none"))
726 					fdir_conf.status =
727 						RTE_FDIR_NO_REPORT_STATUS;
728 				else if (!strcmp(optarg, "match"))
729 					fdir_conf.status =
730 						RTE_FDIR_REPORT_STATUS;
731 				else if (!strcmp(optarg, "always"))
732 					fdir_conf.status =
733 						RTE_FDIR_REPORT_STATUS_ALWAYS;
734 				else
735 					rte_exit(EXIT_FAILURE,
736 						 "pkt-filter-report-hash %s invalid "
737 						 "- must be: none or match or always\n",
738 						 optarg);
739 			}
740 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
741 				if (!strcmp(optarg, "64K"))
742 					fdir_conf.pballoc =
743 						RTE_FDIR_PBALLOC_64K;
744 				else if (!strcmp(optarg, "128K"))
745 					fdir_conf.pballoc =
746 						RTE_FDIR_PBALLOC_128K;
747 				else if (!strcmp(optarg, "256K"))
748 					fdir_conf.pballoc =
749 						RTE_FDIR_PBALLOC_256K;
750 				else
751 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
752 						 " must be: 64K or 128K or 256K\n",
753 						 optarg);
754 			}
755 			if (!strcmp(lgopts[opt_idx].name,
756 				    "pkt-filter-drop-queue")) {
757 				n = atoi(optarg);
758 				if (n >= 0)
759 					fdir_conf.drop_queue = (uint8_t) n;
760 				else
761 					rte_exit(EXIT_FAILURE,
762 						 "drop queue %d invalid - must"
763 						 "be >= 0 \n", n);
764 			}
765 			if (!strcmp(lgopts[opt_idx].name, "crc-strip"))
766 				rx_mode.hw_strip_crc = 1;
767 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
768 				rx_mode.enable_scatter = 1;
769 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
770 				rx_mode.hw_ip_checksum = 1;
771 
772 			if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) {
773 				rx_mode.hw_vlan_filter = 0;
774 				rx_mode.hw_vlan_strip  = 0;
775 				rx_mode.hw_vlan_extend = 0;
776 			}
777 
778 			if (!strcmp(lgopts[opt_idx].name,
779 					"disable-hw-vlan-filter"))
780 				rx_mode.hw_vlan_filter = 0;
781 
782 			if (!strcmp(lgopts[opt_idx].name,
783 					"disable-hw-vlan-strip"))
784 				rx_mode.hw_vlan_strip  = 0;
785 
786 			if (!strcmp(lgopts[opt_idx].name,
787 					"disable-hw-vlan-extend"))
788 				rx_mode.hw_vlan_extend = 0;
789 
790 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
791 				rx_drop_en = 1;
792 
793 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
794 				rss_hf = 0;
795 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
796 				if (!strcmp(optarg, "paired"))
797 					port_topology = PORT_TOPOLOGY_PAIRED;
798 				else if (!strcmp(optarg, "chained"))
799 					port_topology = PORT_TOPOLOGY_CHAINED;
800 				else if (!strcmp(optarg, "loop"))
801 					port_topology = PORT_TOPOLOGY_LOOP;
802 				else
803 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
804 						 " must be: paired or chained \n",
805 						 optarg);
806 			}
807 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
808 				set_pkt_forwarding_mode(optarg);
809 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
810 				rss_hf = ETH_RSS_IP;
811 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
812 				rss_hf = ETH_RSS_UDP;
813 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
814 				n = atoi(optarg);
815 				if (n >= 0 && n <= (int) MAX_QUEUE_ID)
816 					nb_rxq = (queueid_t) n;
817 				else
818 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
819 						  " >= 0 && <= %d\n", n,
820 						  (int) MAX_QUEUE_ID);
821 			}
822 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
823 				n = atoi(optarg);
824 				if (n >= 0 && n <= (int) MAX_QUEUE_ID)
825 					nb_txq = (queueid_t) n;
826 				else
827 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
828 						  " >= 0 && <= %d\n", n,
829 						  (int) MAX_QUEUE_ID);
830 			}
831 			if (!nb_rxq && !nb_txq) {
832 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
833 						"be non-zero\n");
834 			}
835 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
836 				n = atoi(optarg);
837 				if ((n >= 1) && (n <= MAX_PKT_BURST))
838 					nb_pkt_per_burst = (uint16_t) n;
839 				else
840 					rte_exit(EXIT_FAILURE,
841 						 "burst must >= 1 and <= %d]",
842 						 MAX_PKT_BURST);
843 			}
844 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
845 				n = atoi(optarg);
846 				if ((n >= 0) &&
847 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
848 					mb_mempool_cache = (uint16_t) n;
849 				else
850 					rte_exit(EXIT_FAILURE,
851 						 "mbcache must be >= 0 and <= %d\n",
852 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
853 			}
854 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
855 				n = atoi(optarg);
856 				if (n >= 0)
857 					tx_free_thresh = (int16_t)n;
858 				else
859 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
860 			}
861 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
862 				n = atoi(optarg);
863 				if (n >= 0)
864 					tx_rs_thresh = (int16_t)n;
865 				else
866 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
867 			}
868 			if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
869 				char *end = NULL;
870 				n = strtoul(optarg, &end, 16);
871 				if (n >= 0)
872 					txq_flags = (int32_t)n;
873 				else
874 					rte_exit(EXIT_FAILURE,
875 						 "txqflags must be >= 0\n");
876 			}
877 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
878 				n = atoi(optarg);
879 				if (n > 0) {
880 					if (rx_free_thresh >= n)
881 						rte_exit(EXIT_FAILURE,
882 							 "rxd must be > "
883 							 "rx_free_thresh(%d)\n",
884 							 (int)rx_free_thresh);
885 					else
886 						nb_rxd = (uint16_t) n;
887 				} else
888 					rte_exit(EXIT_FAILURE,
889 						 "rxd(%d) invalid - must be > 0\n",
890 						 n);
891 			}
892 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
893 				n = atoi(optarg);
894 				if (n > 0)
895 					nb_txd = (uint16_t) n;
896 				else
897 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
898 			}
899 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
900 				n = atoi(optarg);
901 				if (n >= 0)
902 					tx_pthresh = (int8_t)n;
903 				else
904 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
905 			}
906 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
907 				n = atoi(optarg);
908 				if (n >= 0)
909 					tx_hthresh = (int8_t)n;
910 				else
911 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
912 			}
913 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
914 				n = atoi(optarg);
915 				if (n >= 0)
916 					tx_wthresh = (int8_t)n;
917 				else
918 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
919 			}
920 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
921 				n = atoi(optarg);
922 				if (n >= 0)
923 					rx_pthresh = (int8_t)n;
924 				else
925 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
926 			}
927 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
928 				n = atoi(optarg);
929 				if (n >= 0)
930 					rx_hthresh = (int8_t)n;
931 				else
932 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
933 			}
934 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
935 				n = atoi(optarg);
936 				if (n >= 0)
937 					rx_wthresh = (int8_t)n;
938 				else
939 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
940 			}
941 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
942 				n = atoi(optarg);
943 				if (n >= 0)
944 					rx_free_thresh = (int16_t)n;
945 				else
946 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
947 			}
948 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
949 				if (parse_queue_stats_mapping_config(optarg, TX)) {
950 					rte_exit(EXIT_FAILURE,
951 						 "invalid TX queue statistics mapping config entered\n");
952 				}
953 			}
954 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
955 				if (parse_queue_stats_mapping_config(optarg, RX)) {
956 					rte_exit(EXIT_FAILURE,
957 						 "invalid RX queue statistics mapping config entered\n");
958 				}
959 			}
960 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
961 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
962 				unsigned int nb_segs;
963 
964 				nb_segs = parse_item_list(optarg, "txpkt segments",
965 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
966 				if (nb_segs > 0)
967 					set_tx_pkt_segments(seg_lengths, nb_segs);
968 				else
969 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
970 			}
971 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
972 				no_flush_rx = 1;
973 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
974 				no_link_check = 1;
975 
976 			break;
977 		case 'h':
978 			usage(argv[0]);
979 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
980 			break;
981 		default:
982 			usage(argv[0]);
983 			rte_exit(EXIT_FAILURE,
984 				 "Command line is incomplete or incorrect\n");
985 			break;
986 		}
987 	}
988 }
989