xref: /dpdk/app/test-pmd/parameters.c (revision c6dab2a873f65c5a4ea9735aa24d9539426adba4)
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 #include <rte_flow.h>
80 
81 #include "testpmd.h"
82 
83 static void
84 usage(char* progname)
85 {
86 	printf("usage: %s "
87 #ifdef RTE_LIBRTE_CMDLINE
88 	       "[--interactive|-i] "
89 #endif
90 	       "[--help|-h] | [--auto-start|-a] | ["
91 	       "--coremask=COREMASK --portmask=PORTMASK --numa "
92 	       "--mbuf-size= | --total-num-mbufs= | "
93 	       "--nb-cores= | --nb-ports= | "
94 #ifdef RTE_LIBRTE_CMDLINE
95 	       "--eth-peers-configfile= | "
96 	       "--eth-peer=X,M:M:M:M:M:M | "
97 #endif
98 	       "--pkt-filter-mode= |"
99 	       "--rss-ip | --rss-udp | "
100 	       "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
101 	       "--txpt= | --txht= | --txwt= | --txfreet= | "
102 	       "--txrst= | --txqflags= ]\n",
103 	       progname);
104 #ifdef RTE_LIBRTE_CMDLINE
105 	printf("  --interactive: run in interactive mode.\n");
106 #endif
107 	printf("  --auto-start: start forwarding on init "
108 	       "[always when non-interactive].\n");
109 	printf("  --help: display this message and quit.\n");
110 	printf("  --nb-cores=N: set the number of forwarding cores "
111 	       "(1 <= N <= %d).\n", nb_lcores);
112 	printf("  --nb-ports=N: set the number of forwarding ports "
113 	       "(1 <= N <= %d).\n", nb_ports);
114 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
115 	       "the packet forwarding test. The master lcore is reserved for "
116 	       "command line parsing only, and cannot be masked on for "
117 	       "packet forwarding.\n");
118 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
119 	       "by the packet forwarding test.\n");
120 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
121 	       "RX memory buffers (mbufs).\n");
122 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
123 	       "specify the socket on which the memory pool "
124 	       "used by the port will be allocated.\n");
125 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
126 	       "specify the socket on which the TX/RX rings for "
127 	       "the port will be allocated "
128 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
129 	printf("  --socket-num=N: set socket from which all memory is allocated "
130 	       "in NUMA mode.\n");
131 	printf("  --mbuf-size=N: set the data size of mbuf to N bytes.\n");
132 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
133 	       "in mbuf pools.\n");
134 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
135 #ifdef RTE_LIBRTE_CMDLINE
136 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
137 	       "of peer ports.\n");
138 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
139 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
140 #endif
141 	printf("  --pkt-filter-mode=N: set Flow Director mode "
142 	       "(N: none (default mode) or signature or perfect).\n");
143 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
144 	       "(N: none  or match (default) or always).\n");
145 	printf("  --pkt-filter-size=N: set Flow Director mode "
146 	       "(N: 64K (default mode) or 128K or 256K).\n");
147 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
148 	       "In perfect mode, when you add a rule with queue = -1 "
149 	       "the packet will be enqueued into the rx drop-queue. "
150 	       "If the drop-queue doesn't exist, the packet is dropped. "
151 	       "By default drop-queue=127.\n");
152 	printf("  --crc-strip: enable CRC stripping by hardware.\n");
153 	printf("  --enable-lro: enable large receive offload.\n");
154 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
155 	printf("  --disable-hw-vlan: disable hardware vlan.\n");
156 	printf("  --disable-hw-vlan-filter: disable hardware vlan filter.\n");
157 	printf("  --disable-hw-vlan-strip: disable hardware vlan strip.\n");
158 	printf("  --disable-hw-vlan-extend: disable hardware vlan extend.\n");
159 	printf("  --enable-drop-en: enable per queue packet drop.\n");
160 	printf("  --disable-rss: disable rss.\n");
161 	printf("  --port-topology=N: set port topology (N: paired (default) or "
162 	       "chained).\n");
163 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
164 	       list_pkt_forwarding_modes());
165 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
166 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
167 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
168 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
169 	printf("  --txq=N: set the number of TX queues per port to N.\n");
170 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
171 	printf("  --burst=N: set the number of packets per burst to N.\n");
172 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
173 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
174 	printf("  --rxht=N: set the host threshold register of RX rings to N.\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 to N.\n");
178 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
179 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
180 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
181 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
182 	       "(0 <= N <= value of txd).\n");
183 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
184 	       "(0 <= N <= value of txd).\n");
185 	printf("  --txqflags=0xXXXXXXXX: hexadecimal bitmask of TX queue flags "
186 	       "(0 <= N <= 0x7FFFFFFF).\n");
187 	printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
188 	       "tx queues statistics counters mapping "
189 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
190 	printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
191 	       "rx queues statistics counters mapping "
192 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
193 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
194 	       " Used mainly with PCAP drivers.\n");
195 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
196 		" or total packet length.\n");
197 	printf("  --disable-link-check: disable check on link status when "
198 	       "starting/stopping ports.\n");
199 }
200 
201 #ifdef RTE_LIBRTE_CMDLINE
202 static int
203 init_peer_eth_addrs(char *config_filename)
204 {
205 	FILE *config_file;
206 	portid_t i;
207 	char buf[50];
208 
209 	config_file = fopen(config_filename, "r");
210 	if (config_file == NULL) {
211 		perror("Failed to open eth config file\n");
212 		return -1;
213 	}
214 
215 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
216 
217 		if (fgets(buf, sizeof(buf), config_file) == NULL)
218 			break;
219 
220 		if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i],
221 				sizeof(peer_eth_addrs[i])) < 0) {
222 			printf("Bad MAC address format on line %d\n", i+1);
223 			fclose(config_file);
224 			return -1;
225 		}
226 	}
227 	fclose(config_file);
228 	nb_peer_eth_addrs = (portid_t) i;
229 	return 0;
230 }
231 #endif
232 
233 /*
234  * Parse the coremask given as argument (hexadecimal string) and set
235  * the global configuration of forwarding cores.
236  */
237 static void
238 parse_fwd_coremask(const char *coremask)
239 {
240 	char *end;
241 	unsigned long long int cm;
242 
243 	/* parse hexadecimal string */
244 	end = NULL;
245 	cm = strtoull(coremask, &end, 16);
246 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
247 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
248 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
249 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
250 }
251 
252 /*
253  * Parse the coremask given as argument (hexadecimal string) and set
254  * the global configuration of forwarding cores.
255  */
256 static void
257 parse_fwd_portmask(const char *portmask)
258 {
259 	char *end;
260 	unsigned long long int pm;
261 
262 	/* parse hexadecimal string */
263 	end = NULL;
264 	pm = strtoull(portmask, &end, 16);
265 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
266 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
267 	else
268 		set_fwd_ports_mask((uint64_t) pm);
269 }
270 
271 
272 static int
273 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
274 {
275 	char s[256];
276 	const char *p, *p0 = q_arg;
277 	char *end;
278 	enum fieldnames {
279 		FLD_PORT = 0,
280 		FLD_QUEUE,
281 		FLD_STATS_COUNTER,
282 		_NUM_FLD
283 	};
284 	unsigned long int_fld[_NUM_FLD];
285 	char *str_fld[_NUM_FLD];
286 	int i;
287 	unsigned size;
288 
289 	/* reset from value set at definition */
290 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
291 
292 	while ((p = strchr(p0,'(')) != NULL) {
293 		++p;
294 		if((p0 = strchr(p,')')) == NULL)
295 			return -1;
296 
297 		size = p0 - p;
298 		if(size >= sizeof(s))
299 			return -1;
300 
301 		snprintf(s, sizeof(s), "%.*s", size, p);
302 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
303 			return -1;
304 		for (i = 0; i < _NUM_FLD; i++){
305 			errno = 0;
306 			int_fld[i] = strtoul(str_fld[i], &end, 0);
307 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
308 				return -1;
309 		}
310 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
311 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
312 			printf("Stats counter not in the correct range 0..%d\n",
313 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
314 			return -1;
315 		}
316 
317 		if (!is_rx) {
318 			if ((nb_tx_queue_stats_mappings >=
319 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
320 				printf("exceeded max number of TX queue "
321 						"statistics mappings: %hu\n",
322 						nb_tx_queue_stats_mappings);
323 				return -1;
324 			}
325 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
326 				(uint8_t)int_fld[FLD_PORT];
327 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
328 				(uint8_t)int_fld[FLD_QUEUE];
329 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
330 				(uint8_t)int_fld[FLD_STATS_COUNTER];
331 			++nb_tx_queue_stats_mappings;
332 		}
333 		else {
334 			if ((nb_rx_queue_stats_mappings >=
335 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
336 				printf("exceeded max number of RX queue "
337 						"statistics mappings: %hu\n",
338 						nb_rx_queue_stats_mappings);
339 				return -1;
340 			}
341 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
342 				(uint8_t)int_fld[FLD_PORT];
343 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
344 				(uint8_t)int_fld[FLD_QUEUE];
345 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
346 				(uint8_t)int_fld[FLD_STATS_COUNTER];
347 			++nb_rx_queue_stats_mappings;
348 		}
349 
350 	}
351 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
352 /* than to the default array (that was set at its definition) */
353 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
354 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
355 	return 0;
356 }
357 
358 static int
359 parse_portnuma_config(const char *q_arg)
360 {
361 	char s[256];
362 	const char *p, *p0 = q_arg;
363 	char *end;
364 	uint8_t i,port_id,socket_id;
365 	unsigned size;
366 	enum fieldnames {
367 		FLD_PORT = 0,
368 		FLD_SOCKET,
369 		_NUM_FLD
370 	};
371 	unsigned long int_fld[_NUM_FLD];
372 	char *str_fld[_NUM_FLD];
373 	portid_t pid;
374 
375 	/* reset from value set at definition */
376 	while ((p = strchr(p0,'(')) != NULL) {
377 		++p;
378 		if((p0 = strchr(p,')')) == NULL)
379 			return -1;
380 
381 		size = p0 - p;
382 		if(size >= sizeof(s))
383 			return -1;
384 
385 		snprintf(s, sizeof(s), "%.*s", size, p);
386 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
387 			return -1;
388 		for (i = 0; i < _NUM_FLD; i++) {
389 			errno = 0;
390 			int_fld[i] = strtoul(str_fld[i], &end, 0);
391 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
392 				return -1;
393 		}
394 		port_id = (uint8_t)int_fld[FLD_PORT];
395 		if (port_id_is_invalid(port_id, ENABLED_WARN)) {
396 			printf("Valid port range is [0");
397 			FOREACH_PORT(pid, ports)
398 				printf(", %d", pid);
399 			printf("]\n");
400 			return -1;
401 		}
402 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
403 		if(socket_id >= max_socket) {
404 			printf("Invalid socket id, range is [0, %d]\n",
405 				 max_socket - 1);
406 			return -1;
407 		}
408 		port_numa[port_id] = socket_id;
409 	}
410 
411 	return 0;
412 }
413 
414 static int
415 parse_ringnuma_config(const char *q_arg)
416 {
417 	char s[256];
418 	const char *p, *p0 = q_arg;
419 	char *end;
420 	uint8_t i,port_id,ring_flag,socket_id;
421 	unsigned size;
422 	enum fieldnames {
423 		FLD_PORT = 0,
424 		FLD_FLAG,
425 		FLD_SOCKET,
426 		_NUM_FLD
427 	};
428 	unsigned long int_fld[_NUM_FLD];
429 	char *str_fld[_NUM_FLD];
430 	portid_t pid;
431 	#define RX_RING_ONLY 0x1
432 	#define TX_RING_ONLY 0x2
433 	#define RXTX_RING    0x3
434 
435 	/* reset from value set at definition */
436 	while ((p = strchr(p0,'(')) != NULL) {
437 		++p;
438 		if((p0 = strchr(p,')')) == NULL)
439 			return -1;
440 
441 		size = p0 - p;
442 		if(size >= sizeof(s))
443 			return -1;
444 
445 		snprintf(s, sizeof(s), "%.*s", size, p);
446 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
447 			return -1;
448 		for (i = 0; i < _NUM_FLD; i++) {
449 			errno = 0;
450 			int_fld[i] = strtoul(str_fld[i], &end, 0);
451 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
452 				return -1;
453 		}
454 		port_id = (uint8_t)int_fld[FLD_PORT];
455 		if (port_id_is_invalid(port_id, ENABLED_WARN)) {
456 			printf("Valid port range is [0");
457 			FOREACH_PORT(pid, ports)
458 				printf(", %d", pid);
459 			printf("]\n");
460 			return -1;
461 		}
462 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
463 		if (socket_id >= max_socket) {
464 			printf("Invalid socket id, range is [0, %d]\n",
465 				max_socket - 1);
466 			return -1;
467 		}
468 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
469 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
470 			printf("Invalid ring-flag=%d config for port =%d\n",
471 				ring_flag,port_id);
472 			return -1;
473 		}
474 
475 		switch (ring_flag & RXTX_RING) {
476 		case RX_RING_ONLY:
477 			rxring_numa[port_id] = socket_id;
478 			break;
479 		case TX_RING_ONLY:
480 			txring_numa[port_id] = socket_id;
481 			break;
482 		case RXTX_RING:
483 			rxring_numa[port_id] = socket_id;
484 			txring_numa[port_id] = socket_id;
485 			break;
486 		default:
487 			printf("Invalid ring-flag=%d config for port=%d\n",
488 				ring_flag,port_id);
489 			break;
490 		}
491 	}
492 
493 	return 0;
494 }
495 
496 void
497 launch_args_parse(int argc, char** argv)
498 {
499 	int n, opt;
500 	char **argvopt;
501 	int opt_idx;
502 	enum { TX, RX };
503 
504 	static struct option lgopts[] = {
505 		{ "help",			0, 0, 0 },
506 #ifdef RTE_LIBRTE_CMDLINE
507 		{ "interactive",		0, 0, 0 },
508 		{ "auto-start",			0, 0, 0 },
509 		{ "eth-peers-configfile",	1, 0, 0 },
510 		{ "eth-peer",			1, 0, 0 },
511 #endif
512 		{ "ports",			1, 0, 0 },
513 		{ "nb-cores",			1, 0, 0 },
514 		{ "nb-ports",			1, 0, 0 },
515 		{ "coremask",			1, 0, 0 },
516 		{ "portmask",			1, 0, 0 },
517 		{ "numa",			0, 0, 0 },
518 		{ "mp-anon",			0, 0, 0 },
519 		{ "port-numa-config",           1, 0, 0 },
520 		{ "ring-numa-config",           1, 0, 0 },
521 		{ "socket-num",			1, 0, 0 },
522 		{ "mbuf-size",			1, 0, 0 },
523 		{ "total-num-mbufs",		1, 0, 0 },
524 		{ "max-pkt-len",		1, 0, 0 },
525 		{ "pkt-filter-mode",            1, 0, 0 },
526 		{ "pkt-filter-report-hash",     1, 0, 0 },
527 		{ "pkt-filter-size",            1, 0, 0 },
528 		{ "pkt-filter-drop-queue",      1, 0, 0 },
529 		{ "crc-strip",                  0, 0, 0 },
530 		{ "enable-lro",                 0, 0, 0 },
531 		{ "enable-rx-cksum",            0, 0, 0 },
532 		{ "enable-scatter",             0, 0, 0 },
533 		{ "disable-hw-vlan",            0, 0, 0 },
534 		{ "disable-hw-vlan-filter",     0, 0, 0 },
535 		{ "disable-hw-vlan-strip",      0, 0, 0 },
536 		{ "disable-hw-vlan-extend",     0, 0, 0 },
537 		{ "enable-drop-en",            0, 0, 0 },
538 		{ "disable-rss",                0, 0, 0 },
539 		{ "port-topology",              1, 0, 0 },
540 		{ "forward-mode",               1, 0, 0 },
541 		{ "rss-ip",			0, 0, 0 },
542 		{ "rss-udp",			0, 0, 0 },
543 		{ "rxq",			1, 0, 0 },
544 		{ "txq",			1, 0, 0 },
545 		{ "rxd",			1, 0, 0 },
546 		{ "txd",			1, 0, 0 },
547 		{ "burst",			1, 0, 0 },
548 		{ "mbcache",			1, 0, 0 },
549 		{ "txpt",			1, 0, 0 },
550 		{ "txht",			1, 0, 0 },
551 		{ "txwt",			1, 0, 0 },
552 		{ "txfreet",			1, 0, 0 },
553 		{ "txrst",			1, 0, 0 },
554 		{ "txqflags",			1, 0, 0 },
555 		{ "rxpt",			1, 0, 0 },
556 		{ "rxht",			1, 0, 0 },
557 		{ "rxwt",			1, 0, 0 },
558 		{ "rxfreet",                    1, 0, 0 },
559 		{ "tx-queue-stats-mapping",	1, 0, 0 },
560 		{ "rx-queue-stats-mapping",	1, 0, 0 },
561 		{ "no-flush-rx",	0, 0, 0 },
562 		{ "txpkts",			1, 0, 0 },
563 		{ "disable-link-check",		0, 0, 0 },
564 		{ 0, 0, 0, 0 },
565 	};
566 
567 	argvopt = argv;
568 
569 #ifdef RTE_LIBRTE_CMDLINE
570 #define SHORTOPTS "i"
571 #else
572 #define SHORTOPTS ""
573 #endif
574 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
575 				 lgopts, &opt_idx)) != EOF) {
576 		switch (opt) {
577 #ifdef RTE_LIBRTE_CMDLINE
578 		case 'i':
579 			printf("Interactive-mode selected\n");
580 			interactive = 1;
581 			break;
582 #endif
583 		case 'a':
584 			printf("Auto-start selected\n");
585 			auto_start = 1;
586 			break;
587 
588 		case 0: /*long options */
589 			if (!strcmp(lgopts[opt_idx].name, "help")) {
590 				usage(argv[0]);
591 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
592 			}
593 #ifdef RTE_LIBRTE_CMDLINE
594 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
595 				printf("Interactive-mode selected\n");
596 				interactive = 1;
597 			}
598 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
599 				printf("Auto-start selected\n");
600 				auto_start = 1;
601 			}
602 			if (!strcmp(lgopts[opt_idx].name,
603 				    "eth-peers-configfile")) {
604 				if (init_peer_eth_addrs(optarg) != 0)
605 					rte_exit(EXIT_FAILURE,
606 						 "Cannot open logfile\n");
607 			}
608 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
609 				char *port_end;
610 				uint8_t c, peer_addr[6];
611 
612 				errno = 0;
613 				n = strtoul(optarg, &port_end, 10);
614 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
615 					rte_exit(EXIT_FAILURE,
616 						 "Invalid eth-peer: %s", optarg);
617 				if (n >= RTE_MAX_ETHPORTS)
618 					rte_exit(EXIT_FAILURE,
619 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
620 						 n, RTE_MAX_ETHPORTS);
621 
622 				if (cmdline_parse_etheraddr(NULL, port_end,
623 						&peer_addr, sizeof(peer_addr)) < 0)
624 					rte_exit(EXIT_FAILURE,
625 						 "Invalid ethernet address: %s\n",
626 						 port_end);
627 				for (c = 0; c < 6; c++)
628 					peer_eth_addrs[n].addr_bytes[c] =
629 						peer_addr[c];
630 				nb_peer_eth_addrs++;
631 			}
632 #endif
633 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
634 				n = atoi(optarg);
635 				if (n > 0 && n <= nb_ports)
636 					nb_fwd_ports = (uint8_t) n;
637 				else
638 					rte_exit(EXIT_FAILURE,
639 						 "Invalid port %d\n", n);
640 			}
641 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
642 				n = atoi(optarg);
643 				if (n > 0 && n <= nb_lcores)
644 					nb_fwd_lcores = (uint8_t) n;
645 				else
646 					rte_exit(EXIT_FAILURE,
647 						 "nb-cores should be > 0 and <= %d\n",
648 						 nb_lcores);
649 			}
650 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
651 				parse_fwd_coremask(optarg);
652 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
653 				parse_fwd_portmask(optarg);
654 			if (!strcmp(lgopts[opt_idx].name, "numa")) {
655 				numa_support = 1;
656 				memset(port_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
657 				memset(rxring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
658 				memset(txring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
659 			}
660 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
661 				mp_anon = 1;
662 			}
663 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
664 				if (parse_portnuma_config(optarg))
665 					rte_exit(EXIT_FAILURE,
666 					   "invalid port-numa configuration\n");
667 			}
668 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
669 				if (parse_ringnuma_config(optarg))
670 					rte_exit(EXIT_FAILURE,
671 					   "invalid ring-numa configuration\n");
672 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
673 				n = atoi(optarg);
674 				if((uint8_t)n < max_socket)
675 					socket_num = (uint8_t)n;
676 				else
677 					rte_exit(EXIT_FAILURE,
678 						"The socket number should be < %d\n",
679 						max_socket);
680 			}
681 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
682 				n = atoi(optarg);
683 				if (n > 0 && n <= 0xFFFF)
684 					mbuf_data_size = (uint16_t) n;
685 				else
686 					rte_exit(EXIT_FAILURE,
687 						 "mbuf-size should be > 0 and < 65536\n");
688 			}
689 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
690 				n = atoi(optarg);
691 				if (n > 1024)
692 					param_total_num_mbufs = (unsigned)n;
693 				else
694 					rte_exit(EXIT_FAILURE,
695 						 "total-num-mbufs should be > 1024\n");
696 			}
697 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
698 				n = atoi(optarg);
699 				if (n >= ETHER_MIN_LEN) {
700 					rx_mode.max_rx_pkt_len = (uint32_t) n;
701 					if (n > ETHER_MAX_LEN)
702 					    rx_mode.jumbo_frame = 1;
703 				} else
704 					rte_exit(EXIT_FAILURE,
705 						 "Invalid max-pkt-len=%d - should be > %d\n",
706 						 n, ETHER_MIN_LEN);
707 			}
708 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
709 				if (!strcmp(optarg, "signature"))
710 					fdir_conf.mode =
711 						RTE_FDIR_MODE_SIGNATURE;
712 				else if (!strcmp(optarg, "perfect"))
713 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
714 				else if (!strcmp(optarg, "perfect-mac-vlan"))
715 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
716 				else if (!strcmp(optarg, "perfect-tunnel"))
717 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
718 				else if (!strcmp(optarg, "none"))
719 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
720 				else
721 					rte_exit(EXIT_FAILURE,
722 						 "pkt-mode-invalid %s invalid - must be: "
723 						 "none, signature, perfect, perfect-mac-vlan"
724 						 " or perfect-tunnel\n",
725 						 optarg);
726 			}
727 			if (!strcmp(lgopts[opt_idx].name,
728 				    "pkt-filter-report-hash")) {
729 				if (!strcmp(optarg, "none"))
730 					fdir_conf.status =
731 						RTE_FDIR_NO_REPORT_STATUS;
732 				else if (!strcmp(optarg, "match"))
733 					fdir_conf.status =
734 						RTE_FDIR_REPORT_STATUS;
735 				else if (!strcmp(optarg, "always"))
736 					fdir_conf.status =
737 						RTE_FDIR_REPORT_STATUS_ALWAYS;
738 				else
739 					rte_exit(EXIT_FAILURE,
740 						 "pkt-filter-report-hash %s invalid "
741 						 "- must be: none or match or always\n",
742 						 optarg);
743 			}
744 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
745 				if (!strcmp(optarg, "64K"))
746 					fdir_conf.pballoc =
747 						RTE_FDIR_PBALLOC_64K;
748 				else if (!strcmp(optarg, "128K"))
749 					fdir_conf.pballoc =
750 						RTE_FDIR_PBALLOC_128K;
751 				else if (!strcmp(optarg, "256K"))
752 					fdir_conf.pballoc =
753 						RTE_FDIR_PBALLOC_256K;
754 				else
755 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
756 						 " must be: 64K or 128K or 256K\n",
757 						 optarg);
758 			}
759 			if (!strcmp(lgopts[opt_idx].name,
760 				    "pkt-filter-drop-queue")) {
761 				n = atoi(optarg);
762 				if (n >= 0)
763 					fdir_conf.drop_queue = (uint8_t) n;
764 				else
765 					rte_exit(EXIT_FAILURE,
766 						 "drop queue %d invalid - must"
767 						 "be >= 0 \n", n);
768 			}
769 			if (!strcmp(lgopts[opt_idx].name, "crc-strip"))
770 				rx_mode.hw_strip_crc = 1;
771 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
772 				rx_mode.enable_lro = 1;
773 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
774 				rx_mode.enable_scatter = 1;
775 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
776 				rx_mode.hw_ip_checksum = 1;
777 
778 			if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) {
779 				rx_mode.hw_vlan_filter = 0;
780 				rx_mode.hw_vlan_strip  = 0;
781 				rx_mode.hw_vlan_extend = 0;
782 			}
783 
784 			if (!strcmp(lgopts[opt_idx].name,
785 					"disable-hw-vlan-filter"))
786 				rx_mode.hw_vlan_filter = 0;
787 
788 			if (!strcmp(lgopts[opt_idx].name,
789 					"disable-hw-vlan-strip"))
790 				rx_mode.hw_vlan_strip  = 0;
791 
792 			if (!strcmp(lgopts[opt_idx].name,
793 					"disable-hw-vlan-extend"))
794 				rx_mode.hw_vlan_extend = 0;
795 
796 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
797 				rx_drop_en = 1;
798 
799 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
800 				rss_hf = 0;
801 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
802 				if (!strcmp(optarg, "paired"))
803 					port_topology = PORT_TOPOLOGY_PAIRED;
804 				else if (!strcmp(optarg, "chained"))
805 					port_topology = PORT_TOPOLOGY_CHAINED;
806 				else if (!strcmp(optarg, "loop"))
807 					port_topology = PORT_TOPOLOGY_LOOP;
808 				else
809 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
810 						 " must be: paired or chained \n",
811 						 optarg);
812 			}
813 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
814 				set_pkt_forwarding_mode(optarg);
815 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
816 				rss_hf = ETH_RSS_IP;
817 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
818 				rss_hf = ETH_RSS_UDP;
819 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
820 				n = atoi(optarg);
821 				if (n >= 0 && n <= (int) MAX_QUEUE_ID)
822 					nb_rxq = (queueid_t) n;
823 				else
824 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
825 						  " >= 0 && <= %d\n", n,
826 						  (int) MAX_QUEUE_ID);
827 			}
828 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
829 				n = atoi(optarg);
830 				if (n >= 0 && n <= (int) MAX_QUEUE_ID)
831 					nb_txq = (queueid_t) n;
832 				else
833 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
834 						  " >= 0 && <= %d\n", n,
835 						  (int) MAX_QUEUE_ID);
836 			}
837 			if (!nb_rxq && !nb_txq) {
838 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
839 						"be non-zero\n");
840 			}
841 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
842 				n = atoi(optarg);
843 				if ((n >= 1) && (n <= MAX_PKT_BURST))
844 					nb_pkt_per_burst = (uint16_t) n;
845 				else
846 					rte_exit(EXIT_FAILURE,
847 						 "burst must >= 1 and <= %d]",
848 						 MAX_PKT_BURST);
849 			}
850 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
851 				n = atoi(optarg);
852 				if ((n >= 0) &&
853 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
854 					mb_mempool_cache = (uint16_t) n;
855 				else
856 					rte_exit(EXIT_FAILURE,
857 						 "mbcache must be >= 0 and <= %d\n",
858 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
859 			}
860 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
861 				n = atoi(optarg);
862 				if (n >= 0)
863 					tx_free_thresh = (int16_t)n;
864 				else
865 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
866 			}
867 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
868 				n = atoi(optarg);
869 				if (n >= 0)
870 					tx_rs_thresh = (int16_t)n;
871 				else
872 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
873 			}
874 			if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
875 				char *end = NULL;
876 				n = strtoul(optarg, &end, 16);
877 				if (n >= 0)
878 					txq_flags = (int32_t)n;
879 				else
880 					rte_exit(EXIT_FAILURE,
881 						 "txqflags must be >= 0\n");
882 			}
883 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
884 				n = atoi(optarg);
885 				if (n > 0) {
886 					if (rx_free_thresh >= n)
887 						rte_exit(EXIT_FAILURE,
888 							 "rxd must be > "
889 							 "rx_free_thresh(%d)\n",
890 							 (int)rx_free_thresh);
891 					else
892 						nb_rxd = (uint16_t) n;
893 				} else
894 					rte_exit(EXIT_FAILURE,
895 						 "rxd(%d) invalid - must be > 0\n",
896 						 n);
897 			}
898 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
899 				n = atoi(optarg);
900 				if (n > 0)
901 					nb_txd = (uint16_t) n;
902 				else
903 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
904 			}
905 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
906 				n = atoi(optarg);
907 				if (n >= 0)
908 					tx_pthresh = (int8_t)n;
909 				else
910 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
911 			}
912 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
913 				n = atoi(optarg);
914 				if (n >= 0)
915 					tx_hthresh = (int8_t)n;
916 				else
917 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
918 			}
919 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
920 				n = atoi(optarg);
921 				if (n >= 0)
922 					tx_wthresh = (int8_t)n;
923 				else
924 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
925 			}
926 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
927 				n = atoi(optarg);
928 				if (n >= 0)
929 					rx_pthresh = (int8_t)n;
930 				else
931 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
932 			}
933 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
934 				n = atoi(optarg);
935 				if (n >= 0)
936 					rx_hthresh = (int8_t)n;
937 				else
938 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
939 			}
940 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
941 				n = atoi(optarg);
942 				if (n >= 0)
943 					rx_wthresh = (int8_t)n;
944 				else
945 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
946 			}
947 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
948 				n = atoi(optarg);
949 				if (n >= 0)
950 					rx_free_thresh = (int16_t)n;
951 				else
952 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
953 			}
954 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
955 				if (parse_queue_stats_mapping_config(optarg, TX)) {
956 					rte_exit(EXIT_FAILURE,
957 						 "invalid TX queue statistics mapping config entered\n");
958 				}
959 			}
960 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
961 				if (parse_queue_stats_mapping_config(optarg, RX)) {
962 					rte_exit(EXIT_FAILURE,
963 						 "invalid RX queue statistics mapping config entered\n");
964 				}
965 			}
966 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
967 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
968 				unsigned int nb_segs;
969 
970 				nb_segs = parse_item_list(optarg, "txpkt segments",
971 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
972 				if (nb_segs > 0)
973 					set_tx_pkt_segments(seg_lengths, nb_segs);
974 				else
975 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
976 			}
977 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
978 				no_flush_rx = 1;
979 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
980 				no_link_check = 1;
981 
982 			break;
983 		case 'h':
984 			usage(argv[0]);
985 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
986 			break;
987 		default:
988 			usage(argv[0]);
989 			rte_exit(EXIT_FAILURE,
990 				 "Command line is incomplete or incorrect\n");
991 			break;
992 		}
993 	}
994 }
995