xref: /dpdk/app/test-pmd/parameters.c (revision 4e30ead5e7ca886535e2b30632b2948d2aac1681)
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 }
204 
205 #ifdef RTE_LIBRTE_CMDLINE
206 static int
207 init_peer_eth_addrs(char *config_filename)
208 {
209 	FILE *config_file;
210 	portid_t i;
211 	char buf[50];
212 
213 	config_file = fopen(config_filename, "r");
214 	if (config_file == NULL) {
215 		perror("Failed to open eth config file\n");
216 		return -1;
217 	}
218 
219 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
220 
221 		if (fgets(buf, sizeof(buf), config_file) == NULL)
222 			break;
223 
224 		if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i],
225 				sizeof(peer_eth_addrs[i])) < 0) {
226 			printf("Bad MAC address format on line %d\n", i+1);
227 			fclose(config_file);
228 			return -1;
229 		}
230 	}
231 	fclose(config_file);
232 	nb_peer_eth_addrs = (portid_t) i;
233 	return 0;
234 }
235 #endif
236 
237 /*
238  * Parse the coremask given as argument (hexadecimal string) and set
239  * the global configuration of forwarding cores.
240  */
241 static void
242 parse_fwd_coremask(const char *coremask)
243 {
244 	char *end;
245 	unsigned long long int cm;
246 
247 	/* parse hexadecimal string */
248 	end = NULL;
249 	cm = strtoull(coremask, &end, 16);
250 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
251 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
252 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
253 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
254 }
255 
256 /*
257  * Parse the coremask given as argument (hexadecimal string) and set
258  * the global configuration of forwarding cores.
259  */
260 static void
261 parse_fwd_portmask(const char *portmask)
262 {
263 	char *end;
264 	unsigned long long int pm;
265 
266 	/* parse hexadecimal string */
267 	end = NULL;
268 	pm = strtoull(portmask, &end, 16);
269 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
270 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
271 	else
272 		set_fwd_ports_mask((uint64_t) pm);
273 }
274 
275 
276 static int
277 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
278 {
279 	char s[256];
280 	const char *p, *p0 = q_arg;
281 	char *end;
282 	enum fieldnames {
283 		FLD_PORT = 0,
284 		FLD_QUEUE,
285 		FLD_STATS_COUNTER,
286 		_NUM_FLD
287 	};
288 	unsigned long int_fld[_NUM_FLD];
289 	char *str_fld[_NUM_FLD];
290 	int i;
291 	unsigned size;
292 
293 	/* reset from value set at definition */
294 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
295 
296 	while ((p = strchr(p0,'(')) != NULL) {
297 		++p;
298 		if((p0 = strchr(p,')')) == NULL)
299 			return -1;
300 
301 		size = p0 - p;
302 		if(size >= sizeof(s))
303 			return -1;
304 
305 		snprintf(s, sizeof(s), "%.*s", size, p);
306 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
307 			return -1;
308 		for (i = 0; i < _NUM_FLD; i++){
309 			errno = 0;
310 			int_fld[i] = strtoul(str_fld[i], &end, 0);
311 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
312 				return -1;
313 		}
314 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
315 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
316 			printf("Stats counter not in the correct range 0..%d\n",
317 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
318 			return -1;
319 		}
320 
321 		if (!is_rx) {
322 			if ((nb_tx_queue_stats_mappings >=
323 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
324 				printf("exceeded max number of TX queue "
325 						"statistics mappings: %hu\n",
326 						nb_tx_queue_stats_mappings);
327 				return -1;
328 			}
329 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
330 				(uint8_t)int_fld[FLD_PORT];
331 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
332 				(uint8_t)int_fld[FLD_QUEUE];
333 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
334 				(uint8_t)int_fld[FLD_STATS_COUNTER];
335 			++nb_tx_queue_stats_mappings;
336 		}
337 		else {
338 			if ((nb_rx_queue_stats_mappings >=
339 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
340 				printf("exceeded max number of RX queue "
341 						"statistics mappings: %hu\n",
342 						nb_rx_queue_stats_mappings);
343 				return -1;
344 			}
345 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
346 				(uint8_t)int_fld[FLD_PORT];
347 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
348 				(uint8_t)int_fld[FLD_QUEUE];
349 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
350 				(uint8_t)int_fld[FLD_STATS_COUNTER];
351 			++nb_rx_queue_stats_mappings;
352 		}
353 
354 	}
355 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
356 /* than to the default array (that was set at its definition) */
357 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
358 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
359 	return 0;
360 }
361 
362 static int
363 parse_portnuma_config(const char *q_arg)
364 {
365 	char s[256];
366 	const char *p, *p0 = q_arg;
367 	char *end;
368 	uint8_t i,port_id,socket_id;
369 	unsigned size;
370 	enum fieldnames {
371 		FLD_PORT = 0,
372 		FLD_SOCKET,
373 		_NUM_FLD
374 	};
375 	unsigned long int_fld[_NUM_FLD];
376 	char *str_fld[_NUM_FLD];
377 	portid_t pid;
378 
379 	/* reset from value set at definition */
380 	while ((p = strchr(p0,'(')) != NULL) {
381 		++p;
382 		if((p0 = strchr(p,')')) == NULL)
383 			return -1;
384 
385 		size = p0 - p;
386 		if(size >= sizeof(s))
387 			return -1;
388 
389 		snprintf(s, sizeof(s), "%.*s", size, p);
390 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
391 			return -1;
392 		for (i = 0; i < _NUM_FLD; i++) {
393 			errno = 0;
394 			int_fld[i] = strtoul(str_fld[i], &end, 0);
395 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
396 				return -1;
397 		}
398 		port_id = (uint8_t)int_fld[FLD_PORT];
399 		if (port_id_is_invalid(port_id, ENABLED_WARN)) {
400 			printf("Valid port range is [0");
401 			RTE_ETH_FOREACH_DEV(pid)
402 				printf(", %d", pid);
403 			printf("]\n");
404 			return -1;
405 		}
406 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
407 		if(socket_id >= max_socket) {
408 			printf("Invalid socket id, range is [0, %d]\n",
409 				 max_socket - 1);
410 			return -1;
411 		}
412 		port_numa[port_id] = socket_id;
413 	}
414 
415 	return 0;
416 }
417 
418 static int
419 parse_ringnuma_config(const char *q_arg)
420 {
421 	char s[256];
422 	const char *p, *p0 = q_arg;
423 	char *end;
424 	uint8_t i,port_id,ring_flag,socket_id;
425 	unsigned size;
426 	enum fieldnames {
427 		FLD_PORT = 0,
428 		FLD_FLAG,
429 		FLD_SOCKET,
430 		_NUM_FLD
431 	};
432 	unsigned long int_fld[_NUM_FLD];
433 	char *str_fld[_NUM_FLD];
434 	portid_t pid;
435 	#define RX_RING_ONLY 0x1
436 	#define TX_RING_ONLY 0x2
437 	#define RXTX_RING    0x3
438 
439 	/* reset from value set at definition */
440 	while ((p = strchr(p0,'(')) != NULL) {
441 		++p;
442 		if((p0 = strchr(p,')')) == NULL)
443 			return -1;
444 
445 		size = p0 - p;
446 		if(size >= sizeof(s))
447 			return -1;
448 
449 		snprintf(s, sizeof(s), "%.*s", size, p);
450 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
451 			return -1;
452 		for (i = 0; i < _NUM_FLD; i++) {
453 			errno = 0;
454 			int_fld[i] = strtoul(str_fld[i], &end, 0);
455 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
456 				return -1;
457 		}
458 		port_id = (uint8_t)int_fld[FLD_PORT];
459 		if (port_id_is_invalid(port_id, ENABLED_WARN)) {
460 			printf("Valid port range is [0");
461 			RTE_ETH_FOREACH_DEV(pid)
462 				printf(", %d", pid);
463 			printf("]\n");
464 			return -1;
465 		}
466 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
467 		if (socket_id >= max_socket) {
468 			printf("Invalid socket id, range is [0, %d]\n",
469 				max_socket - 1);
470 			return -1;
471 		}
472 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
473 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
474 			printf("Invalid ring-flag=%d config for port =%d\n",
475 				ring_flag,port_id);
476 			return -1;
477 		}
478 
479 		switch (ring_flag & RXTX_RING) {
480 		case RX_RING_ONLY:
481 			rxring_numa[port_id] = socket_id;
482 			break;
483 		case TX_RING_ONLY:
484 			txring_numa[port_id] = socket_id;
485 			break;
486 		case RXTX_RING:
487 			rxring_numa[port_id] = socket_id;
488 			txring_numa[port_id] = socket_id;
489 			break;
490 		default:
491 			printf("Invalid ring-flag=%d config for port=%d\n",
492 				ring_flag,port_id);
493 			break;
494 		}
495 	}
496 
497 	return 0;
498 }
499 
500 void
501 launch_args_parse(int argc, char** argv)
502 {
503 	int n, opt;
504 	char **argvopt;
505 	int opt_idx;
506 	enum { TX, RX };
507 
508 	static struct option lgopts[] = {
509 		{ "help",			0, 0, 0 },
510 #ifdef RTE_LIBRTE_CMDLINE
511 		{ "interactive",		0, 0, 0 },
512 		{ "auto-start",			0, 0, 0 },
513 		{ "eth-peers-configfile",	1, 0, 0 },
514 		{ "eth-peer",			1, 0, 0 },
515 #endif
516 		{ "ports",			1, 0, 0 },
517 		{ "nb-cores",			1, 0, 0 },
518 		{ "nb-ports",			1, 0, 0 },
519 		{ "coremask",			1, 0, 0 },
520 		{ "portmask",			1, 0, 0 },
521 		{ "numa",			0, 0, 0 },
522 		{ "mp-anon",			0, 0, 0 },
523 		{ "port-numa-config",           1, 0, 0 },
524 		{ "ring-numa-config",           1, 0, 0 },
525 		{ "socket-num",			1, 0, 0 },
526 		{ "mbuf-size",			1, 0, 0 },
527 		{ "total-num-mbufs",		1, 0, 0 },
528 		{ "max-pkt-len",		1, 0, 0 },
529 		{ "pkt-filter-mode",            1, 0, 0 },
530 		{ "pkt-filter-report-hash",     1, 0, 0 },
531 		{ "pkt-filter-size",            1, 0, 0 },
532 		{ "pkt-filter-drop-queue",      1, 0, 0 },
533 #ifdef RTE_LIBRTE_LATENCY_STATS
534 		{ "latencystats",               1, 0, 0 },
535 #endif
536 		{ "disable-crc-strip",          0, 0, 0 },
537 		{ "enable-lro",                 0, 0, 0 },
538 		{ "enable-rx-cksum",            0, 0, 0 },
539 		{ "enable-scatter",             0, 0, 0 },
540 		{ "disable-hw-vlan",            0, 0, 0 },
541 		{ "disable-hw-vlan-filter",     0, 0, 0 },
542 		{ "disable-hw-vlan-strip",      0, 0, 0 },
543 		{ "disable-hw-vlan-extend",     0, 0, 0 },
544 		{ "enable-drop-en",            0, 0, 0 },
545 		{ "disable-rss",                0, 0, 0 },
546 		{ "port-topology",              1, 0, 0 },
547 		{ "forward-mode",               1, 0, 0 },
548 		{ "rss-ip",			0, 0, 0 },
549 		{ "rss-udp",			0, 0, 0 },
550 		{ "rxq",			1, 0, 0 },
551 		{ "txq",			1, 0, 0 },
552 		{ "rxd",			1, 0, 0 },
553 		{ "txd",			1, 0, 0 },
554 		{ "burst",			1, 0, 0 },
555 		{ "mbcache",			1, 0, 0 },
556 		{ "txpt",			1, 0, 0 },
557 		{ "txht",			1, 0, 0 },
558 		{ "txwt",			1, 0, 0 },
559 		{ "txfreet",			1, 0, 0 },
560 		{ "txrst",			1, 0, 0 },
561 		{ "txqflags",			1, 0, 0 },
562 		{ "rxpt",			1, 0, 0 },
563 		{ "rxht",			1, 0, 0 },
564 		{ "rxwt",			1, 0, 0 },
565 		{ "rxfreet",                    1, 0, 0 },
566 		{ "tx-queue-stats-mapping",	1, 0, 0 },
567 		{ "rx-queue-stats-mapping",	1, 0, 0 },
568 		{ "no-flush-rx",	0, 0, 0 },
569 		{ "txpkts",			1, 0, 0 },
570 		{ "disable-link-check",		0, 0, 0 },
571 		{ 0, 0, 0, 0 },
572 	};
573 
574 	argvopt = argv;
575 
576 #ifdef RTE_LIBRTE_CMDLINE
577 #define SHORTOPTS "i"
578 #else
579 #define SHORTOPTS ""
580 #endif
581 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
582 				 lgopts, &opt_idx)) != EOF) {
583 		switch (opt) {
584 #ifdef RTE_LIBRTE_CMDLINE
585 		case 'i':
586 			printf("Interactive-mode selected\n");
587 			interactive = 1;
588 			break;
589 #endif
590 		case 'a':
591 			printf("Auto-start selected\n");
592 			auto_start = 1;
593 			break;
594 
595 		case 0: /*long options */
596 			if (!strcmp(lgopts[opt_idx].name, "help")) {
597 				usage(argv[0]);
598 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
599 			}
600 #ifdef RTE_LIBRTE_CMDLINE
601 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
602 				printf("Interactive-mode selected\n");
603 				interactive = 1;
604 			}
605 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
606 				printf("Auto-start selected\n");
607 				auto_start = 1;
608 			}
609 			if (!strcmp(lgopts[opt_idx].name,
610 				    "eth-peers-configfile")) {
611 				if (init_peer_eth_addrs(optarg) != 0)
612 					rte_exit(EXIT_FAILURE,
613 						 "Cannot open logfile\n");
614 			}
615 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
616 				char *port_end;
617 				uint8_t c, peer_addr[6];
618 
619 				errno = 0;
620 				n = strtoul(optarg, &port_end, 10);
621 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
622 					rte_exit(EXIT_FAILURE,
623 						 "Invalid eth-peer: %s", optarg);
624 				if (n >= RTE_MAX_ETHPORTS)
625 					rte_exit(EXIT_FAILURE,
626 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
627 						 n, RTE_MAX_ETHPORTS);
628 
629 				if (cmdline_parse_etheraddr(NULL, port_end,
630 						&peer_addr, sizeof(peer_addr)) < 0)
631 					rte_exit(EXIT_FAILURE,
632 						 "Invalid ethernet address: %s\n",
633 						 port_end);
634 				for (c = 0; c < 6; c++)
635 					peer_eth_addrs[n].addr_bytes[c] =
636 						peer_addr[c];
637 				nb_peer_eth_addrs++;
638 			}
639 #endif
640 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
641 				n = atoi(optarg);
642 				if (n > 0 && n <= nb_ports)
643 					nb_fwd_ports = (uint8_t) n;
644 				else
645 					rte_exit(EXIT_FAILURE,
646 						 "Invalid port %d\n", n);
647 			}
648 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
649 				n = atoi(optarg);
650 				if (n > 0 && n <= nb_lcores)
651 					nb_fwd_lcores = (uint8_t) n;
652 				else
653 					rte_exit(EXIT_FAILURE,
654 						 "nb-cores should be > 0 and <= %d\n",
655 						 nb_lcores);
656 			}
657 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
658 				parse_fwd_coremask(optarg);
659 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
660 				parse_fwd_portmask(optarg);
661 			if (!strcmp(lgopts[opt_idx].name, "numa")) {
662 				numa_support = 1;
663 				memset(port_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
664 				memset(rxring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
665 				memset(txring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
666 			}
667 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
668 				mp_anon = 1;
669 			}
670 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
671 				if (parse_portnuma_config(optarg))
672 					rte_exit(EXIT_FAILURE,
673 					   "invalid port-numa configuration\n");
674 			}
675 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
676 				if (parse_ringnuma_config(optarg))
677 					rte_exit(EXIT_FAILURE,
678 					   "invalid ring-numa configuration\n");
679 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
680 				n = atoi(optarg);
681 				if((uint8_t)n < max_socket)
682 					socket_num = (uint8_t)n;
683 				else
684 					rte_exit(EXIT_FAILURE,
685 						"The socket number should be < %d\n",
686 						max_socket);
687 			}
688 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
689 				n = atoi(optarg);
690 				if (n > 0 && n <= 0xFFFF)
691 					mbuf_data_size = (uint16_t) n;
692 				else
693 					rte_exit(EXIT_FAILURE,
694 						 "mbuf-size should be > 0 and < 65536\n");
695 			}
696 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
697 				n = atoi(optarg);
698 				if (n > 1024)
699 					param_total_num_mbufs = (unsigned)n;
700 				else
701 					rte_exit(EXIT_FAILURE,
702 						 "total-num-mbufs should be > 1024\n");
703 			}
704 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
705 				n = atoi(optarg);
706 				if (n >= ETHER_MIN_LEN) {
707 					rx_mode.max_rx_pkt_len = (uint32_t) n;
708 					if (n > ETHER_MAX_LEN)
709 					    rx_mode.jumbo_frame = 1;
710 				} else
711 					rte_exit(EXIT_FAILURE,
712 						 "Invalid max-pkt-len=%d - should be > %d\n",
713 						 n, ETHER_MIN_LEN);
714 			}
715 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
716 				if (!strcmp(optarg, "signature"))
717 					fdir_conf.mode =
718 						RTE_FDIR_MODE_SIGNATURE;
719 				else if (!strcmp(optarg, "perfect"))
720 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
721 				else if (!strcmp(optarg, "perfect-mac-vlan"))
722 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
723 				else if (!strcmp(optarg, "perfect-tunnel"))
724 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
725 				else if (!strcmp(optarg, "none"))
726 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
727 				else
728 					rte_exit(EXIT_FAILURE,
729 						 "pkt-mode-invalid %s invalid - must be: "
730 						 "none, signature, perfect, perfect-mac-vlan"
731 						 " or perfect-tunnel\n",
732 						 optarg);
733 			}
734 			if (!strcmp(lgopts[opt_idx].name,
735 				    "pkt-filter-report-hash")) {
736 				if (!strcmp(optarg, "none"))
737 					fdir_conf.status =
738 						RTE_FDIR_NO_REPORT_STATUS;
739 				else if (!strcmp(optarg, "match"))
740 					fdir_conf.status =
741 						RTE_FDIR_REPORT_STATUS;
742 				else if (!strcmp(optarg, "always"))
743 					fdir_conf.status =
744 						RTE_FDIR_REPORT_STATUS_ALWAYS;
745 				else
746 					rte_exit(EXIT_FAILURE,
747 						 "pkt-filter-report-hash %s invalid "
748 						 "- must be: none or match or always\n",
749 						 optarg);
750 			}
751 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
752 				if (!strcmp(optarg, "64K"))
753 					fdir_conf.pballoc =
754 						RTE_FDIR_PBALLOC_64K;
755 				else if (!strcmp(optarg, "128K"))
756 					fdir_conf.pballoc =
757 						RTE_FDIR_PBALLOC_128K;
758 				else if (!strcmp(optarg, "256K"))
759 					fdir_conf.pballoc =
760 						RTE_FDIR_PBALLOC_256K;
761 				else
762 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
763 						 " must be: 64K or 128K or 256K\n",
764 						 optarg);
765 			}
766 			if (!strcmp(lgopts[opt_idx].name,
767 				    "pkt-filter-drop-queue")) {
768 				n = atoi(optarg);
769 				if (n >= 0)
770 					fdir_conf.drop_queue = (uint8_t) n;
771 				else
772 					rte_exit(EXIT_FAILURE,
773 						 "drop queue %d invalid - must"
774 						 "be >= 0 \n", n);
775 			}
776 #ifdef RTE_LIBRTE_LATENCY_STATS
777 			if (!strcmp(lgopts[opt_idx].name,
778 				    "latencystats")) {
779 				n = atoi(optarg);
780 				if (n >= 0) {
781 					latencystats_lcore_id = (lcoreid_t) n;
782 					latencystats_enabled = 1;
783 				} else
784 					rte_exit(EXIT_FAILURE,
785 						 "invalid lcore id %d for latencystats"
786 						 " must be >= 0\n", n);
787 			}
788 #endif
789 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
790 				rx_mode.hw_strip_crc = 0;
791 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
792 				rx_mode.enable_lro = 1;
793 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
794 				rx_mode.enable_scatter = 1;
795 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
796 				rx_mode.hw_ip_checksum = 1;
797 
798 			if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) {
799 				rx_mode.hw_vlan_filter = 0;
800 				rx_mode.hw_vlan_strip  = 0;
801 				rx_mode.hw_vlan_extend = 0;
802 			}
803 
804 			if (!strcmp(lgopts[opt_idx].name,
805 					"disable-hw-vlan-filter"))
806 				rx_mode.hw_vlan_filter = 0;
807 
808 			if (!strcmp(lgopts[opt_idx].name,
809 					"disable-hw-vlan-strip"))
810 				rx_mode.hw_vlan_strip  = 0;
811 
812 			if (!strcmp(lgopts[opt_idx].name,
813 					"disable-hw-vlan-extend"))
814 				rx_mode.hw_vlan_extend = 0;
815 
816 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
817 				rx_drop_en = 1;
818 
819 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
820 				rss_hf = 0;
821 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
822 				if (!strcmp(optarg, "paired"))
823 					port_topology = PORT_TOPOLOGY_PAIRED;
824 				else if (!strcmp(optarg, "chained"))
825 					port_topology = PORT_TOPOLOGY_CHAINED;
826 				else if (!strcmp(optarg, "loop"))
827 					port_topology = PORT_TOPOLOGY_LOOP;
828 				else
829 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
830 						 " must be: paired or chained \n",
831 						 optarg);
832 			}
833 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
834 				set_pkt_forwarding_mode(optarg);
835 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
836 				rss_hf = ETH_RSS_IP;
837 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
838 				rss_hf = ETH_RSS_UDP;
839 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
840 				n = atoi(optarg);
841 				if (n >= 0 && n <= (int) MAX_QUEUE_ID)
842 					nb_rxq = (queueid_t) n;
843 				else
844 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
845 						  " >= 0 && <= %d\n", n,
846 						  (int) MAX_QUEUE_ID);
847 			}
848 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
849 				n = atoi(optarg);
850 				if (n >= 0 && n <= (int) MAX_QUEUE_ID)
851 					nb_txq = (queueid_t) n;
852 				else
853 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
854 						  " >= 0 && <= %d\n", n,
855 						  (int) MAX_QUEUE_ID);
856 			}
857 			if (!nb_rxq && !nb_txq) {
858 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
859 						"be non-zero\n");
860 			}
861 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
862 				n = atoi(optarg);
863 				if ((n >= 1) && (n <= MAX_PKT_BURST))
864 					nb_pkt_per_burst = (uint16_t) n;
865 				else
866 					rte_exit(EXIT_FAILURE,
867 						 "burst must >= 1 and <= %d]",
868 						 MAX_PKT_BURST);
869 			}
870 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
871 				n = atoi(optarg);
872 				if ((n >= 0) &&
873 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
874 					mb_mempool_cache = (uint16_t) n;
875 				else
876 					rte_exit(EXIT_FAILURE,
877 						 "mbcache must be >= 0 and <= %d\n",
878 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
879 			}
880 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
881 				n = atoi(optarg);
882 				if (n >= 0)
883 					tx_free_thresh = (int16_t)n;
884 				else
885 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
886 			}
887 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
888 				n = atoi(optarg);
889 				if (n >= 0)
890 					tx_rs_thresh = (int16_t)n;
891 				else
892 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
893 			}
894 			if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
895 				char *end = NULL;
896 				n = strtoul(optarg, &end, 16);
897 				if (n >= 0)
898 					txq_flags = (int32_t)n;
899 				else
900 					rte_exit(EXIT_FAILURE,
901 						 "txqflags must be >= 0\n");
902 			}
903 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
904 				n = atoi(optarg);
905 				if (n > 0) {
906 					if (rx_free_thresh >= n)
907 						rte_exit(EXIT_FAILURE,
908 							 "rxd must be > "
909 							 "rx_free_thresh(%d)\n",
910 							 (int)rx_free_thresh);
911 					else
912 						nb_rxd = (uint16_t) n;
913 				} else
914 					rte_exit(EXIT_FAILURE,
915 						 "rxd(%d) invalid - must be > 0\n",
916 						 n);
917 			}
918 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
919 				n = atoi(optarg);
920 				if (n > 0)
921 					nb_txd = (uint16_t) n;
922 				else
923 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
924 			}
925 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
926 				n = atoi(optarg);
927 				if (n >= 0)
928 					tx_pthresh = (int8_t)n;
929 				else
930 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
931 			}
932 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
933 				n = atoi(optarg);
934 				if (n >= 0)
935 					tx_hthresh = (int8_t)n;
936 				else
937 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
938 			}
939 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
940 				n = atoi(optarg);
941 				if (n >= 0)
942 					tx_wthresh = (int8_t)n;
943 				else
944 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
945 			}
946 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
947 				n = atoi(optarg);
948 				if (n >= 0)
949 					rx_pthresh = (int8_t)n;
950 				else
951 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
952 			}
953 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
954 				n = atoi(optarg);
955 				if (n >= 0)
956 					rx_hthresh = (int8_t)n;
957 				else
958 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
959 			}
960 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
961 				n = atoi(optarg);
962 				if (n >= 0)
963 					rx_wthresh = (int8_t)n;
964 				else
965 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
966 			}
967 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
968 				n = atoi(optarg);
969 				if (n >= 0)
970 					rx_free_thresh = (int16_t)n;
971 				else
972 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
973 			}
974 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
975 				if (parse_queue_stats_mapping_config(optarg, TX)) {
976 					rte_exit(EXIT_FAILURE,
977 						 "invalid TX queue statistics mapping config entered\n");
978 				}
979 			}
980 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
981 				if (parse_queue_stats_mapping_config(optarg, RX)) {
982 					rte_exit(EXIT_FAILURE,
983 						 "invalid RX queue statistics mapping config entered\n");
984 				}
985 			}
986 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
987 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
988 				unsigned int nb_segs;
989 
990 				nb_segs = parse_item_list(optarg, "txpkt segments",
991 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
992 				if (nb_segs > 0)
993 					set_tx_pkt_segments(seg_lengths, nb_segs);
994 				else
995 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
996 			}
997 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
998 				no_flush_rx = 1;
999 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1000 				no_link_check = 1;
1001 
1002 			break;
1003 		case 'h':
1004 			usage(argv[0]);
1005 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
1006 			break;
1007 		default:
1008 			usage(argv[0]);
1009 			rte_exit(EXIT_FAILURE,
1010 				 "Command line is incomplete or incorrect\n");
1011 			break;
1012 		}
1013 	}
1014 }
1015