xref: /dpdk/app/test-pmd/parameters.c (revision 869fede8d6795ea2b1e528f79b93a363eeff3ad0)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2017 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 #ifdef RTE_LIBRTE_LATENCY_STATS
153 	printf("  --latencystats=N: enable latency and jitter statistcs "
154 	       "monitoring on forwarding lcore id N.\n");
155 #endif
156 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
157 	printf("  --enable-lro: enable large receive offload.\n");
158 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
159 	printf("  --disable-hw-vlan: disable hardware vlan.\n");
160 	printf("  --disable-hw-vlan-filter: disable hardware vlan filter.\n");
161 	printf("  --disable-hw-vlan-strip: disable hardware vlan strip.\n");
162 	printf("  --disable-hw-vlan-extend: disable hardware vlan extend.\n");
163 	printf("  --enable-drop-en: enable per queue packet drop.\n");
164 	printf("  --disable-rss: disable rss.\n");
165 	printf("  --port-topology=N: set port topology (N: paired (default) or "
166 	       "chained).\n");
167 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
168 	       list_pkt_forwarding_modes());
169 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
170 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
171 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
172 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
173 	printf("  --txq=N: set the number of TX queues per port to N.\n");
174 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
175 	printf("  --burst=N: set the number of packets per burst to N.\n");
176 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
177 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
178 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
179 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
180 	       "(0 <= N < value of rxd).\n");
181 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
182 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
183 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
184 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
185 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
186 	       "(0 <= N <= value of txd).\n");
187 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
188 	       "(0 <= N <= value of txd).\n");
189 	printf("  --txqflags=0xXXXXXXXX: hexadecimal bitmask of TX queue flags "
190 	       "(0 <= N <= 0x7FFFFFFF).\n");
191 	printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
192 	       "tx queues statistics counters mapping "
193 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
194 	printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
195 	       "rx queues statistics counters mapping "
196 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
197 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
198 	       " Used mainly with PCAP drivers.\n");
199 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
200 		" or total packet length.\n");
201 	printf("  --disable-link-check: disable check on link status when "
202 	       "starting/stopping ports.\n");
203 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
204 	printf("  --no-rmv-interrupt: disable device removal interrupt.");
205 }
206 
207 #ifdef RTE_LIBRTE_CMDLINE
208 static int
209 init_peer_eth_addrs(char *config_filename)
210 {
211 	FILE *config_file;
212 	portid_t i;
213 	char buf[50];
214 
215 	config_file = fopen(config_filename, "r");
216 	if (config_file == NULL) {
217 		perror("Failed to open eth config file\n");
218 		return -1;
219 	}
220 
221 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
222 
223 		if (fgets(buf, sizeof(buf), config_file) == NULL)
224 			break;
225 
226 		if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i],
227 				sizeof(peer_eth_addrs[i])) < 0) {
228 			printf("Bad MAC address format on line %d\n", i+1);
229 			fclose(config_file);
230 			return -1;
231 		}
232 	}
233 	fclose(config_file);
234 	nb_peer_eth_addrs = (portid_t) i;
235 	return 0;
236 }
237 #endif
238 
239 /*
240  * Parse the coremask given as argument (hexadecimal string) and set
241  * the global configuration of forwarding cores.
242  */
243 static void
244 parse_fwd_coremask(const char *coremask)
245 {
246 	char *end;
247 	unsigned long long int cm;
248 
249 	/* parse hexadecimal string */
250 	end = NULL;
251 	cm = strtoull(coremask, &end, 16);
252 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
253 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
254 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
255 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
256 }
257 
258 /*
259  * Parse the coremask given as argument (hexadecimal string) and set
260  * the global configuration of forwarding cores.
261  */
262 static void
263 parse_fwd_portmask(const char *portmask)
264 {
265 	char *end;
266 	unsigned long long int pm;
267 
268 	/* parse hexadecimal string */
269 	end = NULL;
270 	pm = strtoull(portmask, &end, 16);
271 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
272 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
273 	else
274 		set_fwd_ports_mask((uint64_t) pm);
275 }
276 
277 
278 static int
279 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
280 {
281 	char s[256];
282 	const char *p, *p0 = q_arg;
283 	char *end;
284 	enum fieldnames {
285 		FLD_PORT = 0,
286 		FLD_QUEUE,
287 		FLD_STATS_COUNTER,
288 		_NUM_FLD
289 	};
290 	unsigned long int_fld[_NUM_FLD];
291 	char *str_fld[_NUM_FLD];
292 	int i;
293 	unsigned size;
294 
295 	/* reset from value set at definition */
296 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
297 
298 	while ((p = strchr(p0,'(')) != NULL) {
299 		++p;
300 		if((p0 = strchr(p,')')) == NULL)
301 			return -1;
302 
303 		size = p0 - p;
304 		if(size >= sizeof(s))
305 			return -1;
306 
307 		snprintf(s, sizeof(s), "%.*s", size, p);
308 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
309 			return -1;
310 		for (i = 0; i < _NUM_FLD; i++){
311 			errno = 0;
312 			int_fld[i] = strtoul(str_fld[i], &end, 0);
313 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
314 				return -1;
315 		}
316 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
317 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
318 			printf("Stats counter not in the correct range 0..%d\n",
319 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
320 			return -1;
321 		}
322 
323 		if (!is_rx) {
324 			if ((nb_tx_queue_stats_mappings >=
325 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
326 				printf("exceeded max number of TX queue "
327 						"statistics mappings: %hu\n",
328 						nb_tx_queue_stats_mappings);
329 				return -1;
330 			}
331 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
332 				(uint8_t)int_fld[FLD_PORT];
333 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
334 				(uint8_t)int_fld[FLD_QUEUE];
335 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
336 				(uint8_t)int_fld[FLD_STATS_COUNTER];
337 			++nb_tx_queue_stats_mappings;
338 		}
339 		else {
340 			if ((nb_rx_queue_stats_mappings >=
341 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
342 				printf("exceeded max number of RX queue "
343 						"statistics mappings: %hu\n",
344 						nb_rx_queue_stats_mappings);
345 				return -1;
346 			}
347 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
348 				(uint8_t)int_fld[FLD_PORT];
349 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
350 				(uint8_t)int_fld[FLD_QUEUE];
351 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
352 				(uint8_t)int_fld[FLD_STATS_COUNTER];
353 			++nb_rx_queue_stats_mappings;
354 		}
355 
356 	}
357 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
358 /* than to the default array (that was set at its definition) */
359 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
360 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
361 	return 0;
362 }
363 
364 static int
365 parse_portnuma_config(const char *q_arg)
366 {
367 	char s[256];
368 	const char *p, *p0 = q_arg;
369 	char *end;
370 	uint8_t i,port_id,socket_id;
371 	unsigned size;
372 	enum fieldnames {
373 		FLD_PORT = 0,
374 		FLD_SOCKET,
375 		_NUM_FLD
376 	};
377 	unsigned long int_fld[_NUM_FLD];
378 	char *str_fld[_NUM_FLD];
379 	portid_t pid;
380 
381 	/* reset from value set at definition */
382 	while ((p = strchr(p0,'(')) != NULL) {
383 		++p;
384 		if((p0 = strchr(p,')')) == NULL)
385 			return -1;
386 
387 		size = p0 - p;
388 		if(size >= sizeof(s))
389 			return -1;
390 
391 		snprintf(s, sizeof(s), "%.*s", size, p);
392 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
393 			return -1;
394 		for (i = 0; i < _NUM_FLD; i++) {
395 			errno = 0;
396 			int_fld[i] = strtoul(str_fld[i], &end, 0);
397 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
398 				return -1;
399 		}
400 		port_id = (uint8_t)int_fld[FLD_PORT];
401 		if (port_id_is_invalid(port_id, ENABLED_WARN)) {
402 			printf("Valid port range is [0");
403 			RTE_ETH_FOREACH_DEV(pid)
404 				printf(", %d", pid);
405 			printf("]\n");
406 			return -1;
407 		}
408 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
409 		if(socket_id >= max_socket) {
410 			printf("Invalid socket id, range is [0, %d]\n",
411 				 max_socket - 1);
412 			return -1;
413 		}
414 		port_numa[port_id] = socket_id;
415 	}
416 
417 	return 0;
418 }
419 
420 static int
421 parse_ringnuma_config(const char *q_arg)
422 {
423 	char s[256];
424 	const char *p, *p0 = q_arg;
425 	char *end;
426 	uint8_t i,port_id,ring_flag,socket_id;
427 	unsigned size;
428 	enum fieldnames {
429 		FLD_PORT = 0,
430 		FLD_FLAG,
431 		FLD_SOCKET,
432 		_NUM_FLD
433 	};
434 	unsigned long int_fld[_NUM_FLD];
435 	char *str_fld[_NUM_FLD];
436 	portid_t pid;
437 	#define RX_RING_ONLY 0x1
438 	#define TX_RING_ONLY 0x2
439 	#define RXTX_RING    0x3
440 
441 	/* reset from value set at definition */
442 	while ((p = strchr(p0,'(')) != NULL) {
443 		++p;
444 		if((p0 = strchr(p,')')) == NULL)
445 			return -1;
446 
447 		size = p0 - p;
448 		if(size >= sizeof(s))
449 			return -1;
450 
451 		snprintf(s, sizeof(s), "%.*s", size, p);
452 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
453 			return -1;
454 		for (i = 0; i < _NUM_FLD; i++) {
455 			errno = 0;
456 			int_fld[i] = strtoul(str_fld[i], &end, 0);
457 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
458 				return -1;
459 		}
460 		port_id = (uint8_t)int_fld[FLD_PORT];
461 		if (port_id_is_invalid(port_id, ENABLED_WARN)) {
462 			printf("Valid port range is [0");
463 			RTE_ETH_FOREACH_DEV(pid)
464 				printf(", %d", pid);
465 			printf("]\n");
466 			return -1;
467 		}
468 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
469 		if (socket_id >= max_socket) {
470 			printf("Invalid socket id, range is [0, %d]\n",
471 				max_socket - 1);
472 			return -1;
473 		}
474 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
475 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
476 			printf("Invalid ring-flag=%d config for port =%d\n",
477 				ring_flag,port_id);
478 			return -1;
479 		}
480 
481 		switch (ring_flag & RXTX_RING) {
482 		case RX_RING_ONLY:
483 			rxring_numa[port_id] = socket_id;
484 			break;
485 		case TX_RING_ONLY:
486 			txring_numa[port_id] = socket_id;
487 			break;
488 		case RXTX_RING:
489 			rxring_numa[port_id] = socket_id;
490 			txring_numa[port_id] = socket_id;
491 			break;
492 		default:
493 			printf("Invalid ring-flag=%d config for port=%d\n",
494 				ring_flag,port_id);
495 			break;
496 		}
497 	}
498 
499 	return 0;
500 }
501 
502 void
503 launch_args_parse(int argc, char** argv)
504 {
505 	int n, opt;
506 	char **argvopt;
507 	int opt_idx;
508 	enum { TX, RX };
509 
510 	static struct option lgopts[] = {
511 		{ "help",			0, 0, 0 },
512 #ifdef RTE_LIBRTE_CMDLINE
513 		{ "interactive",		0, 0, 0 },
514 		{ "auto-start",			0, 0, 0 },
515 		{ "eth-peers-configfile",	1, 0, 0 },
516 		{ "eth-peer",			1, 0, 0 },
517 #endif
518 		{ "ports",			1, 0, 0 },
519 		{ "nb-cores",			1, 0, 0 },
520 		{ "nb-ports",			1, 0, 0 },
521 		{ "coremask",			1, 0, 0 },
522 		{ "portmask",			1, 0, 0 },
523 		{ "numa",			0, 0, 0 },
524 		{ "no-numa",			0, 0, 0 },
525 		{ "mp-anon",			0, 0, 0 },
526 		{ "port-numa-config",           1, 0, 0 },
527 		{ "ring-numa-config",           1, 0, 0 },
528 		{ "socket-num",			1, 0, 0 },
529 		{ "mbuf-size",			1, 0, 0 },
530 		{ "total-num-mbufs",		1, 0, 0 },
531 		{ "max-pkt-len",		1, 0, 0 },
532 		{ "pkt-filter-mode",            1, 0, 0 },
533 		{ "pkt-filter-report-hash",     1, 0, 0 },
534 		{ "pkt-filter-size",            1, 0, 0 },
535 		{ "pkt-filter-drop-queue",      1, 0, 0 },
536 #ifdef RTE_LIBRTE_LATENCY_STATS
537 		{ "latencystats",               1, 0, 0 },
538 #endif
539 		{ "disable-crc-strip",          0, 0, 0 },
540 		{ "enable-lro",                 0, 0, 0 },
541 		{ "enable-rx-cksum",            0, 0, 0 },
542 		{ "enable-scatter",             0, 0, 0 },
543 		{ "disable-hw-vlan",            0, 0, 0 },
544 		{ "disable-hw-vlan-filter",     0, 0, 0 },
545 		{ "disable-hw-vlan-strip",      0, 0, 0 },
546 		{ "disable-hw-vlan-extend",     0, 0, 0 },
547 		{ "enable-drop-en",            0, 0, 0 },
548 		{ "disable-rss",                0, 0, 0 },
549 		{ "port-topology",              1, 0, 0 },
550 		{ "forward-mode",               1, 0, 0 },
551 		{ "rss-ip",			0, 0, 0 },
552 		{ "rss-udp",			0, 0, 0 },
553 		{ "rxq",			1, 0, 0 },
554 		{ "txq",			1, 0, 0 },
555 		{ "rxd",			1, 0, 0 },
556 		{ "txd",			1, 0, 0 },
557 		{ "burst",			1, 0, 0 },
558 		{ "mbcache",			1, 0, 0 },
559 		{ "txpt",			1, 0, 0 },
560 		{ "txht",			1, 0, 0 },
561 		{ "txwt",			1, 0, 0 },
562 		{ "txfreet",			1, 0, 0 },
563 		{ "txrst",			1, 0, 0 },
564 		{ "txqflags",			1, 0, 0 },
565 		{ "rxpt",			1, 0, 0 },
566 		{ "rxht",			1, 0, 0 },
567 		{ "rxwt",			1, 0, 0 },
568 		{ "rxfreet",                    1, 0, 0 },
569 		{ "tx-queue-stats-mapping",	1, 0, 0 },
570 		{ "rx-queue-stats-mapping",	1, 0, 0 },
571 		{ "no-flush-rx",	0, 0, 0 },
572 		{ "txpkts",			1, 0, 0 },
573 		{ "disable-link-check",		0, 0, 0 },
574 		{ "no-lsc-interrupt",		0, 0, 0 },
575 		{ "no-rmv-interrupt",		0, 0, 0 },
576 		{ 0, 0, 0, 0 },
577 	};
578 
579 	argvopt = argv;
580 
581 #ifdef RTE_LIBRTE_CMDLINE
582 #define SHORTOPTS "i"
583 #else
584 #define SHORTOPTS ""
585 #endif
586 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
587 				 lgopts, &opt_idx)) != EOF) {
588 		switch (opt) {
589 #ifdef RTE_LIBRTE_CMDLINE
590 		case 'i':
591 			printf("Interactive-mode selected\n");
592 			interactive = 1;
593 			break;
594 #endif
595 		case 'a':
596 			printf("Auto-start selected\n");
597 			auto_start = 1;
598 			break;
599 
600 		case 0: /*long options */
601 			if (!strcmp(lgopts[opt_idx].name, "help")) {
602 				usage(argv[0]);
603 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
604 			}
605 #ifdef RTE_LIBRTE_CMDLINE
606 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
607 				printf("Interactive-mode selected\n");
608 				interactive = 1;
609 			}
610 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
611 				printf("Auto-start selected\n");
612 				auto_start = 1;
613 			}
614 			if (!strcmp(lgopts[opt_idx].name,
615 				    "eth-peers-configfile")) {
616 				if (init_peer_eth_addrs(optarg) != 0)
617 					rte_exit(EXIT_FAILURE,
618 						 "Cannot open logfile\n");
619 			}
620 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
621 				char *port_end;
622 				uint8_t c, peer_addr[6];
623 
624 				errno = 0;
625 				n = strtoul(optarg, &port_end, 10);
626 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
627 					rte_exit(EXIT_FAILURE,
628 						 "Invalid eth-peer: %s", optarg);
629 				if (n >= RTE_MAX_ETHPORTS)
630 					rte_exit(EXIT_FAILURE,
631 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
632 						 n, RTE_MAX_ETHPORTS);
633 
634 				if (cmdline_parse_etheraddr(NULL, port_end,
635 						&peer_addr, sizeof(peer_addr)) < 0)
636 					rte_exit(EXIT_FAILURE,
637 						 "Invalid ethernet address: %s\n",
638 						 port_end);
639 				for (c = 0; c < 6; c++)
640 					peer_eth_addrs[n].addr_bytes[c] =
641 						peer_addr[c];
642 				nb_peer_eth_addrs++;
643 			}
644 #endif
645 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
646 				n = atoi(optarg);
647 				if (n > 0 && n <= nb_ports)
648 					nb_fwd_ports = (uint8_t) n;
649 				else
650 					rte_exit(EXIT_FAILURE,
651 						 "Invalid port %d\n", n);
652 			}
653 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
654 				n = atoi(optarg);
655 				if (n > 0 && n <= nb_lcores)
656 					nb_fwd_lcores = (uint8_t) n;
657 				else
658 					rte_exit(EXIT_FAILURE,
659 						 "nb-cores should be > 0 and <= %d\n",
660 						 nb_lcores);
661 			}
662 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
663 				parse_fwd_coremask(optarg);
664 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
665 				parse_fwd_portmask(optarg);
666 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
667 				numa_support = 0;
668 			if (!strcmp(lgopts[opt_idx].name, "numa")) {
669 				numa_support = 1;
670 				memset(port_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
671 				memset(rxring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
672 				memset(txring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
673 			}
674 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
675 				mp_anon = 1;
676 			}
677 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
678 				if (parse_portnuma_config(optarg))
679 					rte_exit(EXIT_FAILURE,
680 					   "invalid port-numa configuration\n");
681 			}
682 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
683 				if (parse_ringnuma_config(optarg))
684 					rte_exit(EXIT_FAILURE,
685 					   "invalid ring-numa configuration\n");
686 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
687 				n = atoi(optarg);
688 				if((uint8_t)n < max_socket)
689 					socket_num = (uint8_t)n;
690 				else
691 					rte_exit(EXIT_FAILURE,
692 						"The socket number should be < %d\n",
693 						max_socket);
694 			}
695 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
696 				n = atoi(optarg);
697 				if (n > 0 && n <= 0xFFFF)
698 					mbuf_data_size = (uint16_t) n;
699 				else
700 					rte_exit(EXIT_FAILURE,
701 						 "mbuf-size should be > 0 and < 65536\n");
702 			}
703 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
704 				n = atoi(optarg);
705 				if (n > 1024)
706 					param_total_num_mbufs = (unsigned)n;
707 				else
708 					rte_exit(EXIT_FAILURE,
709 						 "total-num-mbufs should be > 1024\n");
710 			}
711 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
712 				n = atoi(optarg);
713 				if (n >= ETHER_MIN_LEN) {
714 					rx_mode.max_rx_pkt_len = (uint32_t) n;
715 					if (n > ETHER_MAX_LEN)
716 					    rx_mode.jumbo_frame = 1;
717 				} else
718 					rte_exit(EXIT_FAILURE,
719 						 "Invalid max-pkt-len=%d - should be > %d\n",
720 						 n, ETHER_MIN_LEN);
721 			}
722 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
723 				if (!strcmp(optarg, "signature"))
724 					fdir_conf.mode =
725 						RTE_FDIR_MODE_SIGNATURE;
726 				else if (!strcmp(optarg, "perfect"))
727 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
728 				else if (!strcmp(optarg, "perfect-mac-vlan"))
729 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
730 				else if (!strcmp(optarg, "perfect-tunnel"))
731 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
732 				else if (!strcmp(optarg, "none"))
733 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
734 				else
735 					rte_exit(EXIT_FAILURE,
736 						 "pkt-mode-invalid %s invalid - must be: "
737 						 "none, signature, perfect, perfect-mac-vlan"
738 						 " or perfect-tunnel\n",
739 						 optarg);
740 			}
741 			if (!strcmp(lgopts[opt_idx].name,
742 				    "pkt-filter-report-hash")) {
743 				if (!strcmp(optarg, "none"))
744 					fdir_conf.status =
745 						RTE_FDIR_NO_REPORT_STATUS;
746 				else if (!strcmp(optarg, "match"))
747 					fdir_conf.status =
748 						RTE_FDIR_REPORT_STATUS;
749 				else if (!strcmp(optarg, "always"))
750 					fdir_conf.status =
751 						RTE_FDIR_REPORT_STATUS_ALWAYS;
752 				else
753 					rte_exit(EXIT_FAILURE,
754 						 "pkt-filter-report-hash %s invalid "
755 						 "- must be: none or match or always\n",
756 						 optarg);
757 			}
758 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
759 				if (!strcmp(optarg, "64K"))
760 					fdir_conf.pballoc =
761 						RTE_FDIR_PBALLOC_64K;
762 				else if (!strcmp(optarg, "128K"))
763 					fdir_conf.pballoc =
764 						RTE_FDIR_PBALLOC_128K;
765 				else if (!strcmp(optarg, "256K"))
766 					fdir_conf.pballoc =
767 						RTE_FDIR_PBALLOC_256K;
768 				else
769 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
770 						 " must be: 64K or 128K or 256K\n",
771 						 optarg);
772 			}
773 			if (!strcmp(lgopts[opt_idx].name,
774 				    "pkt-filter-drop-queue")) {
775 				n = atoi(optarg);
776 				if (n >= 0)
777 					fdir_conf.drop_queue = (uint8_t) n;
778 				else
779 					rte_exit(EXIT_FAILURE,
780 						 "drop queue %d invalid - must"
781 						 "be >= 0 \n", n);
782 			}
783 #ifdef RTE_LIBRTE_LATENCY_STATS
784 			if (!strcmp(lgopts[opt_idx].name,
785 				    "latencystats")) {
786 				n = atoi(optarg);
787 				if (n >= 0) {
788 					latencystats_lcore_id = (lcoreid_t) n;
789 					latencystats_enabled = 1;
790 				} else
791 					rte_exit(EXIT_FAILURE,
792 						 "invalid lcore id %d for latencystats"
793 						 " must be >= 0\n", n);
794 			}
795 #endif
796 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
797 				rx_mode.hw_strip_crc = 0;
798 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
799 				rx_mode.enable_lro = 1;
800 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
801 				rx_mode.enable_scatter = 1;
802 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
803 				rx_mode.hw_ip_checksum = 1;
804 
805 			if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) {
806 				rx_mode.hw_vlan_filter = 0;
807 				rx_mode.hw_vlan_strip  = 0;
808 				rx_mode.hw_vlan_extend = 0;
809 			}
810 
811 			if (!strcmp(lgopts[opt_idx].name,
812 					"disable-hw-vlan-filter"))
813 				rx_mode.hw_vlan_filter = 0;
814 
815 			if (!strcmp(lgopts[opt_idx].name,
816 					"disable-hw-vlan-strip"))
817 				rx_mode.hw_vlan_strip  = 0;
818 
819 			if (!strcmp(lgopts[opt_idx].name,
820 					"disable-hw-vlan-extend"))
821 				rx_mode.hw_vlan_extend = 0;
822 
823 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
824 				rx_drop_en = 1;
825 
826 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
827 				rss_hf = 0;
828 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
829 				if (!strcmp(optarg, "paired"))
830 					port_topology = PORT_TOPOLOGY_PAIRED;
831 				else if (!strcmp(optarg, "chained"))
832 					port_topology = PORT_TOPOLOGY_CHAINED;
833 				else if (!strcmp(optarg, "loop"))
834 					port_topology = PORT_TOPOLOGY_LOOP;
835 				else
836 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
837 						 " must be: paired or chained \n",
838 						 optarg);
839 			}
840 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
841 				set_pkt_forwarding_mode(optarg);
842 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
843 				rss_hf = ETH_RSS_IP;
844 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
845 				rss_hf = ETH_RSS_UDP;
846 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
847 				n = atoi(optarg);
848 				if (n >= 0 && n <= (int) MAX_QUEUE_ID)
849 					nb_rxq = (queueid_t) n;
850 				else
851 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
852 						  " >= 0 && <= %d\n", n,
853 						  (int) MAX_QUEUE_ID);
854 			}
855 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
856 				n = atoi(optarg);
857 				if (n >= 0 && n <= (int) MAX_QUEUE_ID)
858 					nb_txq = (queueid_t) n;
859 				else
860 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
861 						  " >= 0 && <= %d\n", n,
862 						  (int) MAX_QUEUE_ID);
863 			}
864 			if (!nb_rxq && !nb_txq) {
865 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
866 						"be non-zero\n");
867 			}
868 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
869 				n = atoi(optarg);
870 				if ((n >= 1) && (n <= MAX_PKT_BURST))
871 					nb_pkt_per_burst = (uint16_t) n;
872 				else
873 					rte_exit(EXIT_FAILURE,
874 						 "burst must >= 1 and <= %d]",
875 						 MAX_PKT_BURST);
876 			}
877 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
878 				n = atoi(optarg);
879 				if ((n >= 0) &&
880 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
881 					mb_mempool_cache = (uint16_t) n;
882 				else
883 					rte_exit(EXIT_FAILURE,
884 						 "mbcache must be >= 0 and <= %d\n",
885 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
886 			}
887 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
888 				n = atoi(optarg);
889 				if (n >= 0)
890 					tx_free_thresh = (int16_t)n;
891 				else
892 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
893 			}
894 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
895 				n = atoi(optarg);
896 				if (n >= 0)
897 					tx_rs_thresh = (int16_t)n;
898 				else
899 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
900 			}
901 			if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
902 				char *end = NULL;
903 				n = strtoul(optarg, &end, 16);
904 				if (n >= 0)
905 					txq_flags = (int32_t)n;
906 				else
907 					rte_exit(EXIT_FAILURE,
908 						 "txqflags must be >= 0\n");
909 			}
910 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
911 				n = atoi(optarg);
912 				if (n > 0) {
913 					if (rx_free_thresh >= n)
914 						rte_exit(EXIT_FAILURE,
915 							 "rxd must be > "
916 							 "rx_free_thresh(%d)\n",
917 							 (int)rx_free_thresh);
918 					else
919 						nb_rxd = (uint16_t) n;
920 				} else
921 					rte_exit(EXIT_FAILURE,
922 						 "rxd(%d) invalid - must be > 0\n",
923 						 n);
924 			}
925 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
926 				n = atoi(optarg);
927 				if (n > 0)
928 					nb_txd = (uint16_t) n;
929 				else
930 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
931 			}
932 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
933 				n = atoi(optarg);
934 				if (n >= 0)
935 					tx_pthresh = (int8_t)n;
936 				else
937 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
938 			}
939 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
940 				n = atoi(optarg);
941 				if (n >= 0)
942 					tx_hthresh = (int8_t)n;
943 				else
944 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
945 			}
946 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
947 				n = atoi(optarg);
948 				if (n >= 0)
949 					tx_wthresh = (int8_t)n;
950 				else
951 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
952 			}
953 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
954 				n = atoi(optarg);
955 				if (n >= 0)
956 					rx_pthresh = (int8_t)n;
957 				else
958 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
959 			}
960 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
961 				n = atoi(optarg);
962 				if (n >= 0)
963 					rx_hthresh = (int8_t)n;
964 				else
965 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
966 			}
967 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
968 				n = atoi(optarg);
969 				if (n >= 0)
970 					rx_wthresh = (int8_t)n;
971 				else
972 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
973 			}
974 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
975 				n = atoi(optarg);
976 				if (n >= 0)
977 					rx_free_thresh = (int16_t)n;
978 				else
979 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
980 			}
981 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
982 				if (parse_queue_stats_mapping_config(optarg, TX)) {
983 					rte_exit(EXIT_FAILURE,
984 						 "invalid TX queue statistics mapping config entered\n");
985 				}
986 			}
987 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
988 				if (parse_queue_stats_mapping_config(optarg, RX)) {
989 					rte_exit(EXIT_FAILURE,
990 						 "invalid RX queue statistics mapping config entered\n");
991 				}
992 			}
993 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
994 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
995 				unsigned int nb_segs;
996 
997 				nb_segs = parse_item_list(optarg, "txpkt segments",
998 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
999 				if (nb_segs > 0)
1000 					set_tx_pkt_segments(seg_lengths, nb_segs);
1001 				else
1002 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1003 			}
1004 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1005 				no_flush_rx = 1;
1006 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1007 				no_link_check = 1;
1008 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1009 				lsc_interrupt = 0;
1010 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1011 				rmv_interrupt = 0;
1012 
1013 			break;
1014 		case 'h':
1015 			usage(argv[0]);
1016 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
1017 			break;
1018 		default:
1019 			usage(argv[0]);
1020 			rte_exit(EXIT_FAILURE,
1021 				 "Command line is incomplete or incorrect\n");
1022 			break;
1023 		}
1024 	}
1025 }
1026