xref: /dpdk/app/test-pmd/parameters.c (revision 2ebacaa7d13fa33d91e65f6a2e060eba3b0e1e5c)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
5  *   All rights reserved.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of Intel Corporation nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include <errno.h>
35 #include <getopt.h>
36 #include <stdarg.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <signal.h>
40 #include <string.h>
41 #include <time.h>
42 #include <fcntl.h>
43 #include <sys/types.h>
44 #include <errno.h>
45 
46 #include <sys/queue.h>
47 #include <sys/stat.h>
48 
49 #include <stdint.h>
50 #include <unistd.h>
51 #include <inttypes.h>
52 
53 #include <rte_common.h>
54 #include <rte_byteorder.h>
55 #include <rte_log.h>
56 #include <rte_debug.h>
57 #include <rte_cycles.h>
58 #include <rte_memory.h>
59 #include <rte_memzone.h>
60 #include <rte_launch.h>
61 #include <rte_eal.h>
62 #include <rte_per_lcore.h>
63 #include <rte_lcore.h>
64 #include <rte_atomic.h>
65 #include <rte_branch_prediction.h>
66 #include <rte_mempool.h>
67 #include <rte_interrupts.h>
68 #include <rte_pci.h>
69 #include <rte_ether.h>
70 #include <rte_ethdev.h>
71 #include <rte_string_fns.h>
72 #ifdef RTE_LIBRTE_CMDLINE
73 #include <cmdline_parse.h>
74 #include <cmdline_parse_etheraddr.h>
75 #endif
76 #ifdef RTE_LIBRTE_PMD_BOND
77 #include <rte_eth_bond.h>
78 #endif
79 
80 #include "testpmd.h"
81 
82 static void
83 usage(char* progname)
84 {
85 	printf("usage: %s "
86 #ifdef RTE_LIBRTE_CMDLINE
87 	       "[--interactive|-i] "
88 #endif
89 	       "[--help|-h] | [--auto-start|-a] | ["
90 	       "--coremask=COREMASK --portmask=PORTMASK --numa "
91 	       "--mbuf-size= | --total-num-mbufs= | "
92 	       "--nb-cores= | --nb-ports= | "
93 #ifdef RTE_LIBRTE_CMDLINE
94 	       "--eth-peers-configfile= | "
95 	       "--eth-peer=X,M:M:M:M:M:M | "
96 #endif
97 	       "--pkt-filter-mode= |"
98 	       "--rss-ip | --rss-udp | "
99 	       "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
100 	       "--txpt= | --txht= | --txwt= | --txfreet= | "
101 	       "--txrst= | --txqflags= ]\n",
102 	       progname);
103 #ifdef RTE_LIBRTE_CMDLINE
104 	printf("  --interactive: run in interactive mode.\n");
105 #endif
106 	printf("  --auto-start: start forwarding on init "
107 	       "[always when non-interactive].\n");
108 	printf("  --help: display this message and quit.\n");
109 	printf("  --nb-cores=N: set the number of forwarding cores "
110 	       "(1 <= N <= %d).\n", nb_lcores);
111 	printf("  --nb-ports=N: set the number of forwarding ports "
112 	       "(1 <= N <= %d).\n", nb_ports);
113 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
114 	       "the packet forwarding test. The master lcore is reserved for "
115 	       "command line parsing only, and cannot be masked on for "
116 	       "packet forwarding.\n");
117 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
118 	       "by the packet forwarding test.\n");
119 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
120 	       "RX memory buffers (mbufs).\n");
121 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
122 	       "specify the socket on which the memory pool "
123 	       "used by the port will be allocated.\n");
124 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
125 	       "specify the socket on which the TX/RX rings for "
126 	       "the port will be allocated "
127 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
128 	printf("  --socket-num=N: set socket from which all memory is allocated "
129 	       "in NUMA mode.\n");
130 	printf("  --mbuf-size=N: set the data size of mbuf to N bytes.\n");
131 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
132 	       "in mbuf pools.\n");
133 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
134 #ifdef RTE_LIBRTE_CMDLINE
135 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
136 	       "of peer ports.\n");
137 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
138 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
139 #endif
140 	printf("  --pkt-filter-mode=N: set Flow Director mode "
141 	       "(N: none (default mode) or signature or perfect).\n");
142 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
143 	       "(N: none  or match (default) or always).\n");
144 	printf("  --pkt-filter-size=N: set Flow Director mode "
145 	       "(N: 64K (default mode) or 128K or 256K).\n");
146 	printf("  --pkt-filter-drop-queue=N: set drop-queue. "
147 	       "In perfect mode, when you add a rule with queue = -1 "
148 	       "the packet will be enqueued into the rx drop-queue. "
149 	       "If the drop-queue doesn't exist, the packet is dropped. "
150 	       "By default drop-queue=127.\n");
151 	printf("  --crc-strip: enable CRC stripping by hardware.\n");
152 	printf("  --enable-lro: enable large receive offload.\n");
153 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
154 	printf("  --disable-hw-vlan: disable hardware vlan.\n");
155 	printf("  --disable-hw-vlan-filter: disable hardware vlan filter.\n");
156 	printf("  --disable-hw-vlan-strip: disable hardware vlan strip.\n");
157 	printf("  --disable-hw-vlan-extend: disable hardware vlan extend.\n");
158 	printf("  --enable-drop-en: enable per queue packet drop.\n");
159 	printf("  --disable-rss: disable rss.\n");
160 	printf("  --port-topology=N: set port topology (N: paired (default) or "
161 	       "chained).\n");
162 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
163 	       list_pkt_forwarding_modes());
164 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
165 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
166 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
167 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
168 	printf("  --txq=N: set the number of TX queues per port to N.\n");
169 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
170 	printf("  --burst=N: set the number of packets per burst to N.\n");
171 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
172 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
173 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
174 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
175 	       "(0 <= N < value of rxd).\n");
176 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
177 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
178 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
179 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
180 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
181 	       "(0 <= N <= value of txd).\n");
182 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
183 	       "(0 <= N <= value of txd).\n");
184 	printf("  --txqflags=0xXXXXXXXX: hexadecimal bitmask of TX queue flags "
185 	       "(0 <= N <= 0x7FFFFFFF).\n");
186 	printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
187 	       "tx queues statistics counters mapping "
188 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
189 	printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
190 	       "rx queues statistics counters mapping "
191 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
192 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
193 	       " Used mainly with PCAP drivers.\n");
194 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
195 		" or total packet length.\n");
196 	printf("  --disable-link-check: disable check on link status when "
197 	       "starting/stopping ports.\n");
198 }
199 
200 #ifdef RTE_LIBRTE_CMDLINE
201 static int
202 init_peer_eth_addrs(char *config_filename)
203 {
204 	FILE *config_file;
205 	portid_t i;
206 	char buf[50];
207 
208 	config_file = fopen(config_filename, "r");
209 	if (config_file == NULL) {
210 		perror("Failed to open eth config file\n");
211 		return -1;
212 	}
213 
214 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
215 
216 		if (fgets(buf, sizeof(buf), config_file) == NULL)
217 			break;
218 
219 		if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i],
220 				sizeof(peer_eth_addrs[i])) < 0) {
221 			printf("Bad MAC address format on line %d\n", i+1);
222 			fclose(config_file);
223 			return -1;
224 		}
225 	}
226 	fclose(config_file);
227 	nb_peer_eth_addrs = (portid_t) i;
228 	return 0;
229 }
230 #endif
231 
232 /*
233  * Parse the coremask given as argument (hexadecimal string) and set
234  * the global configuration of forwarding cores.
235  */
236 static void
237 parse_fwd_coremask(const char *coremask)
238 {
239 	char *end;
240 	unsigned long long int cm;
241 
242 	/* parse hexadecimal string */
243 	end = NULL;
244 	cm = strtoull(coremask, &end, 16);
245 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
246 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
247 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
248 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
249 }
250 
251 /*
252  * Parse the coremask given as argument (hexadecimal string) and set
253  * the global configuration of forwarding cores.
254  */
255 static void
256 parse_fwd_portmask(const char *portmask)
257 {
258 	char *end;
259 	unsigned long long int pm;
260 
261 	/* parse hexadecimal string */
262 	end = NULL;
263 	pm = strtoull(portmask, &end, 16);
264 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
265 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
266 	else
267 		set_fwd_ports_mask((uint64_t) pm);
268 }
269 
270 
271 static int
272 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
273 {
274 	char s[256];
275 	const char *p, *p0 = q_arg;
276 	char *end;
277 	enum fieldnames {
278 		FLD_PORT = 0,
279 		FLD_QUEUE,
280 		FLD_STATS_COUNTER,
281 		_NUM_FLD
282 	};
283 	unsigned long int_fld[_NUM_FLD];
284 	char *str_fld[_NUM_FLD];
285 	int i;
286 	unsigned size;
287 
288 	/* reset from value set at definition */
289 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
290 
291 	while ((p = strchr(p0,'(')) != NULL) {
292 		++p;
293 		if((p0 = strchr(p,')')) == NULL)
294 			return -1;
295 
296 		size = p0 - p;
297 		if(size >= sizeof(s))
298 			return -1;
299 
300 		snprintf(s, sizeof(s), "%.*s", size, p);
301 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
302 			return -1;
303 		for (i = 0; i < _NUM_FLD; i++){
304 			errno = 0;
305 			int_fld[i] = strtoul(str_fld[i], &end, 0);
306 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
307 				return -1;
308 		}
309 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
310 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
311 			printf("Stats counter not in the correct range 0..%d\n",
312 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
313 			return -1;
314 		}
315 
316 		if (!is_rx) {
317 			if ((nb_tx_queue_stats_mappings >=
318 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
319 				printf("exceeded max number of TX queue "
320 						"statistics mappings: %hu\n",
321 						nb_tx_queue_stats_mappings);
322 				return -1;
323 			}
324 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
325 				(uint8_t)int_fld[FLD_PORT];
326 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
327 				(uint8_t)int_fld[FLD_QUEUE];
328 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
329 				(uint8_t)int_fld[FLD_STATS_COUNTER];
330 			++nb_tx_queue_stats_mappings;
331 		}
332 		else {
333 			if ((nb_rx_queue_stats_mappings >=
334 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
335 				printf("exceeded max number of RX queue "
336 						"statistics mappings: %hu\n",
337 						nb_rx_queue_stats_mappings);
338 				return -1;
339 			}
340 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
341 				(uint8_t)int_fld[FLD_PORT];
342 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
343 				(uint8_t)int_fld[FLD_QUEUE];
344 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
345 				(uint8_t)int_fld[FLD_STATS_COUNTER];
346 			++nb_rx_queue_stats_mappings;
347 		}
348 
349 	}
350 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
351 /* than to the default array (that was set at its definition) */
352 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
353 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
354 	return 0;
355 }
356 
357 static int
358 parse_portnuma_config(const char *q_arg)
359 {
360 	char s[256];
361 	const char *p, *p0 = q_arg;
362 	char *end;
363 	uint8_t i,port_id,socket_id;
364 	unsigned size;
365 	enum fieldnames {
366 		FLD_PORT = 0,
367 		FLD_SOCKET,
368 		_NUM_FLD
369 	};
370 	unsigned long int_fld[_NUM_FLD];
371 	char *str_fld[_NUM_FLD];
372 	portid_t pid;
373 
374 	/* reset from value set at definition */
375 	while ((p = strchr(p0,'(')) != NULL) {
376 		++p;
377 		if((p0 = strchr(p,')')) == NULL)
378 			return -1;
379 
380 		size = p0 - p;
381 		if(size >= sizeof(s))
382 			return -1;
383 
384 		snprintf(s, sizeof(s), "%.*s", size, p);
385 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
386 			return -1;
387 		for (i = 0; i < _NUM_FLD; i++) {
388 			errno = 0;
389 			int_fld[i] = strtoul(str_fld[i], &end, 0);
390 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
391 				return -1;
392 		}
393 		port_id = (uint8_t)int_fld[FLD_PORT];
394 		if (port_id_is_invalid(port_id, ENABLED_WARN)) {
395 			printf("Valid port range is [0");
396 			FOREACH_PORT(pid, ports)
397 				printf(", %d", pid);
398 			printf("]\n");
399 			return -1;
400 		}
401 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
402 		if(socket_id >= max_socket) {
403 			printf("Invalid socket id, range is [0, %d]\n",
404 				 max_socket - 1);
405 			return -1;
406 		}
407 		port_numa[port_id] = socket_id;
408 	}
409 
410 	return 0;
411 }
412 
413 static int
414 parse_ringnuma_config(const char *q_arg)
415 {
416 	char s[256];
417 	const char *p, *p0 = q_arg;
418 	char *end;
419 	uint8_t i,port_id,ring_flag,socket_id;
420 	unsigned size;
421 	enum fieldnames {
422 		FLD_PORT = 0,
423 		FLD_FLAG,
424 		FLD_SOCKET,
425 		_NUM_FLD
426 	};
427 	unsigned long int_fld[_NUM_FLD];
428 	char *str_fld[_NUM_FLD];
429 	portid_t pid;
430 	#define RX_RING_ONLY 0x1
431 	#define TX_RING_ONLY 0x2
432 	#define RXTX_RING    0x3
433 
434 	/* reset from value set at definition */
435 	while ((p = strchr(p0,'(')) != NULL) {
436 		++p;
437 		if((p0 = strchr(p,')')) == NULL)
438 			return -1;
439 
440 		size = p0 - p;
441 		if(size >= sizeof(s))
442 			return -1;
443 
444 		snprintf(s, sizeof(s), "%.*s", size, p);
445 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
446 			return -1;
447 		for (i = 0; i < _NUM_FLD; i++) {
448 			errno = 0;
449 			int_fld[i] = strtoul(str_fld[i], &end, 0);
450 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
451 				return -1;
452 		}
453 		port_id = (uint8_t)int_fld[FLD_PORT];
454 		if (port_id_is_invalid(port_id, ENABLED_WARN)) {
455 			printf("Valid port range is [0");
456 			FOREACH_PORT(pid, ports)
457 				printf(", %d", pid);
458 			printf("]\n");
459 			return -1;
460 		}
461 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
462 		if (socket_id >= max_socket) {
463 			printf("Invalid socket id, range is [0, %d]\n",
464 				max_socket - 1);
465 			return -1;
466 		}
467 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
468 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
469 			printf("Invalid ring-flag=%d config for port =%d\n",
470 				ring_flag,port_id);
471 			return -1;
472 		}
473 
474 		switch (ring_flag & RXTX_RING) {
475 		case RX_RING_ONLY:
476 			rxring_numa[port_id] = socket_id;
477 			break;
478 		case TX_RING_ONLY:
479 			txring_numa[port_id] = socket_id;
480 			break;
481 		case RXTX_RING:
482 			rxring_numa[port_id] = socket_id;
483 			txring_numa[port_id] = socket_id;
484 			break;
485 		default:
486 			printf("Invalid ring-flag=%d config for port=%d\n",
487 				ring_flag,port_id);
488 			break;
489 		}
490 	}
491 
492 	return 0;
493 }
494 
495 void
496 launch_args_parse(int argc, char** argv)
497 {
498 	int n, opt;
499 	char **argvopt;
500 	int opt_idx;
501 	enum { TX, RX };
502 
503 	static struct option lgopts[] = {
504 		{ "help",			0, 0, 0 },
505 #ifdef RTE_LIBRTE_CMDLINE
506 		{ "interactive",		0, 0, 0 },
507 		{ "auto-start",			0, 0, 0 },
508 		{ "eth-peers-configfile",	1, 0, 0 },
509 		{ "eth-peer",			1, 0, 0 },
510 #endif
511 		{ "ports",			1, 0, 0 },
512 		{ "nb-cores",			1, 0, 0 },
513 		{ "nb-ports",			1, 0, 0 },
514 		{ "coremask",			1, 0, 0 },
515 		{ "portmask",			1, 0, 0 },
516 		{ "numa",			0, 0, 0 },
517 		{ "mp-anon",			0, 0, 0 },
518 		{ "port-numa-config",           1, 0, 0 },
519 		{ "ring-numa-config",           1, 0, 0 },
520 		{ "socket-num",			1, 0, 0 },
521 		{ "mbuf-size",			1, 0, 0 },
522 		{ "total-num-mbufs",		1, 0, 0 },
523 		{ "max-pkt-len",		1, 0, 0 },
524 		{ "pkt-filter-mode",            1, 0, 0 },
525 		{ "pkt-filter-report-hash",     1, 0, 0 },
526 		{ "pkt-filter-size",            1, 0, 0 },
527 		{ "pkt-filter-drop-queue",      1, 0, 0 },
528 		{ "crc-strip",                  0, 0, 0 },
529 		{ "enable-lro",                 0, 0, 0 },
530 		{ "enable-rx-cksum",            0, 0, 0 },
531 		{ "enable-scatter",             0, 0, 0 },
532 		{ "disable-hw-vlan",            0, 0, 0 },
533 		{ "disable-hw-vlan-filter",     0, 0, 0 },
534 		{ "disable-hw-vlan-strip",      0, 0, 0 },
535 		{ "disable-hw-vlan-extend",     0, 0, 0 },
536 		{ "enable-drop-en",            0, 0, 0 },
537 		{ "disable-rss",                0, 0, 0 },
538 		{ "port-topology",              1, 0, 0 },
539 		{ "forward-mode",               1, 0, 0 },
540 		{ "rss-ip",			0, 0, 0 },
541 		{ "rss-udp",			0, 0, 0 },
542 		{ "rxq",			1, 0, 0 },
543 		{ "txq",			1, 0, 0 },
544 		{ "rxd",			1, 0, 0 },
545 		{ "txd",			1, 0, 0 },
546 		{ "burst",			1, 0, 0 },
547 		{ "mbcache",			1, 0, 0 },
548 		{ "txpt",			1, 0, 0 },
549 		{ "txht",			1, 0, 0 },
550 		{ "txwt",			1, 0, 0 },
551 		{ "txfreet",			1, 0, 0 },
552 		{ "txrst",			1, 0, 0 },
553 		{ "txqflags",			1, 0, 0 },
554 		{ "rxpt",			1, 0, 0 },
555 		{ "rxht",			1, 0, 0 },
556 		{ "rxwt",			1, 0, 0 },
557 		{ "rxfreet",                    1, 0, 0 },
558 		{ "tx-queue-stats-mapping",	1, 0, 0 },
559 		{ "rx-queue-stats-mapping",	1, 0, 0 },
560 		{ "no-flush-rx",	0, 0, 0 },
561 		{ "txpkts",			1, 0, 0 },
562 		{ "disable-link-check",		0, 0, 0 },
563 		{ 0, 0, 0, 0 },
564 	};
565 
566 	argvopt = argv;
567 
568 #ifdef RTE_LIBRTE_CMDLINE
569 #define SHORTOPTS "i"
570 #else
571 #define SHORTOPTS ""
572 #endif
573 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
574 				 lgopts, &opt_idx)) != EOF) {
575 		switch (opt) {
576 #ifdef RTE_LIBRTE_CMDLINE
577 		case 'i':
578 			printf("Interactive-mode selected\n");
579 			interactive = 1;
580 			break;
581 #endif
582 		case 'a':
583 			printf("Auto-start selected\n");
584 			auto_start = 1;
585 			break;
586 
587 		case 0: /*long options */
588 			if (!strcmp(lgopts[opt_idx].name, "help")) {
589 				usage(argv[0]);
590 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
591 			}
592 #ifdef RTE_LIBRTE_CMDLINE
593 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
594 				printf("Interactive-mode selected\n");
595 				interactive = 1;
596 			}
597 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
598 				printf("Auto-start selected\n");
599 				auto_start = 1;
600 			}
601 			if (!strcmp(lgopts[opt_idx].name,
602 				    "eth-peers-configfile")) {
603 				if (init_peer_eth_addrs(optarg) != 0)
604 					rte_exit(EXIT_FAILURE,
605 						 "Cannot open logfile\n");
606 			}
607 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
608 				char *port_end;
609 				uint8_t c, peer_addr[6];
610 
611 				errno = 0;
612 				n = strtoul(optarg, &port_end, 10);
613 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
614 					rte_exit(EXIT_FAILURE,
615 						 "Invalid eth-peer: %s", optarg);
616 				if (n >= RTE_MAX_ETHPORTS)
617 					rte_exit(EXIT_FAILURE,
618 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
619 						 n, RTE_MAX_ETHPORTS);
620 
621 				if (cmdline_parse_etheraddr(NULL, port_end,
622 						&peer_addr, sizeof(peer_addr)) < 0)
623 					rte_exit(EXIT_FAILURE,
624 						 "Invalid ethernet address: %s\n",
625 						 port_end);
626 				for (c = 0; c < 6; c++)
627 					peer_eth_addrs[n].addr_bytes[c] =
628 						peer_addr[c];
629 				nb_peer_eth_addrs++;
630 			}
631 #endif
632 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
633 				n = atoi(optarg);
634 				if (n > 0 && n <= nb_ports)
635 					nb_fwd_ports = (uint8_t) n;
636 				else
637 					rte_exit(EXIT_FAILURE,
638 						 "Invalid port %d\n", n);
639 			}
640 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
641 				n = atoi(optarg);
642 				if (n > 0 && n <= nb_lcores)
643 					nb_fwd_lcores = (uint8_t) n;
644 				else
645 					rte_exit(EXIT_FAILURE,
646 						 "nb-cores should be > 0 and <= %d\n",
647 						 nb_lcores);
648 			}
649 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
650 				parse_fwd_coremask(optarg);
651 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
652 				parse_fwd_portmask(optarg);
653 			if (!strcmp(lgopts[opt_idx].name, "numa")) {
654 				numa_support = 1;
655 				memset(port_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
656 				memset(rxring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
657 				memset(txring_numa,NUMA_NO_CONFIG,RTE_MAX_ETHPORTS);
658 			}
659 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
660 				mp_anon = 1;
661 			}
662 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
663 				if (parse_portnuma_config(optarg))
664 					rte_exit(EXIT_FAILURE,
665 					   "invalid port-numa configuration\n");
666 			}
667 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
668 				if (parse_ringnuma_config(optarg))
669 					rte_exit(EXIT_FAILURE,
670 					   "invalid ring-numa configuration\n");
671 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
672 				n = atoi(optarg);
673 				if((uint8_t)n < max_socket)
674 					socket_num = (uint8_t)n;
675 				else
676 					rte_exit(EXIT_FAILURE,
677 						"The socket number should be < %d\n",
678 						max_socket);
679 			}
680 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
681 				n = atoi(optarg);
682 				if (n > 0 && n <= 0xFFFF)
683 					mbuf_data_size = (uint16_t) n;
684 				else
685 					rte_exit(EXIT_FAILURE,
686 						 "mbuf-size should be > 0 and < 65536\n");
687 			}
688 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
689 				n = atoi(optarg);
690 				if (n > 1024)
691 					param_total_num_mbufs = (unsigned)n;
692 				else
693 					rte_exit(EXIT_FAILURE,
694 						 "total-num-mbufs should be > 1024\n");
695 			}
696 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
697 				n = atoi(optarg);
698 				if (n >= ETHER_MIN_LEN) {
699 					rx_mode.max_rx_pkt_len = (uint32_t) n;
700 					if (n > ETHER_MAX_LEN)
701 					    rx_mode.jumbo_frame = 1;
702 				} else
703 					rte_exit(EXIT_FAILURE,
704 						 "Invalid max-pkt-len=%d - should be > %d\n",
705 						 n, ETHER_MIN_LEN);
706 			}
707 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
708 				if (!strcmp(optarg, "signature"))
709 					fdir_conf.mode =
710 						RTE_FDIR_MODE_SIGNATURE;
711 				else if (!strcmp(optarg, "perfect"))
712 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
713 				else if (!strcmp(optarg, "perfect-mac-vlan"))
714 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
715 				else if (!strcmp(optarg, "perfect-tunnel"))
716 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
717 				else if (!strcmp(optarg, "none"))
718 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
719 				else
720 					rte_exit(EXIT_FAILURE,
721 						 "pkt-mode-invalid %s invalid - must be: "
722 						 "none, signature, perfect, perfect-mac-vlan"
723 						 " or perfect-tunnel\n",
724 						 optarg);
725 			}
726 			if (!strcmp(lgopts[opt_idx].name,
727 				    "pkt-filter-report-hash")) {
728 				if (!strcmp(optarg, "none"))
729 					fdir_conf.status =
730 						RTE_FDIR_NO_REPORT_STATUS;
731 				else if (!strcmp(optarg, "match"))
732 					fdir_conf.status =
733 						RTE_FDIR_REPORT_STATUS;
734 				else if (!strcmp(optarg, "always"))
735 					fdir_conf.status =
736 						RTE_FDIR_REPORT_STATUS_ALWAYS;
737 				else
738 					rte_exit(EXIT_FAILURE,
739 						 "pkt-filter-report-hash %s invalid "
740 						 "- must be: none or match or always\n",
741 						 optarg);
742 			}
743 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
744 				if (!strcmp(optarg, "64K"))
745 					fdir_conf.pballoc =
746 						RTE_FDIR_PBALLOC_64K;
747 				else if (!strcmp(optarg, "128K"))
748 					fdir_conf.pballoc =
749 						RTE_FDIR_PBALLOC_128K;
750 				else if (!strcmp(optarg, "256K"))
751 					fdir_conf.pballoc =
752 						RTE_FDIR_PBALLOC_256K;
753 				else
754 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
755 						 " must be: 64K or 128K or 256K\n",
756 						 optarg);
757 			}
758 			if (!strcmp(lgopts[opt_idx].name,
759 				    "pkt-filter-drop-queue")) {
760 				n = atoi(optarg);
761 				if (n >= 0)
762 					fdir_conf.drop_queue = (uint8_t) n;
763 				else
764 					rte_exit(EXIT_FAILURE,
765 						 "drop queue %d invalid - must"
766 						 "be >= 0 \n", n);
767 			}
768 			if (!strcmp(lgopts[opt_idx].name, "crc-strip"))
769 				rx_mode.hw_strip_crc = 1;
770 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
771 				rx_mode.enable_lro = 1;
772 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
773 				rx_mode.enable_scatter = 1;
774 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
775 				rx_mode.hw_ip_checksum = 1;
776 
777 			if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) {
778 				rx_mode.hw_vlan_filter = 0;
779 				rx_mode.hw_vlan_strip  = 0;
780 				rx_mode.hw_vlan_extend = 0;
781 			}
782 
783 			if (!strcmp(lgopts[opt_idx].name,
784 					"disable-hw-vlan-filter"))
785 				rx_mode.hw_vlan_filter = 0;
786 
787 			if (!strcmp(lgopts[opt_idx].name,
788 					"disable-hw-vlan-strip"))
789 				rx_mode.hw_vlan_strip  = 0;
790 
791 			if (!strcmp(lgopts[opt_idx].name,
792 					"disable-hw-vlan-extend"))
793 				rx_mode.hw_vlan_extend = 0;
794 
795 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
796 				rx_drop_en = 1;
797 
798 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
799 				rss_hf = 0;
800 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
801 				if (!strcmp(optarg, "paired"))
802 					port_topology = PORT_TOPOLOGY_PAIRED;
803 				else if (!strcmp(optarg, "chained"))
804 					port_topology = PORT_TOPOLOGY_CHAINED;
805 				else if (!strcmp(optarg, "loop"))
806 					port_topology = PORT_TOPOLOGY_LOOP;
807 				else
808 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
809 						 " must be: paired or chained \n",
810 						 optarg);
811 			}
812 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
813 				set_pkt_forwarding_mode(optarg);
814 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
815 				rss_hf = ETH_RSS_IP;
816 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
817 				rss_hf = ETH_RSS_UDP;
818 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
819 				n = atoi(optarg);
820 				if (n >= 0 && n <= (int) MAX_QUEUE_ID)
821 					nb_rxq = (queueid_t) n;
822 				else
823 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
824 						  " >= 0 && <= %d\n", n,
825 						  (int) MAX_QUEUE_ID);
826 			}
827 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
828 				n = atoi(optarg);
829 				if (n >= 0 && n <= (int) MAX_QUEUE_ID)
830 					nb_txq = (queueid_t) n;
831 				else
832 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
833 						  " >= 0 && <= %d\n", n,
834 						  (int) MAX_QUEUE_ID);
835 			}
836 			if (!nb_rxq && !nb_txq) {
837 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
838 						"be non-zero\n");
839 			}
840 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
841 				n = atoi(optarg);
842 				if ((n >= 1) && (n <= MAX_PKT_BURST))
843 					nb_pkt_per_burst = (uint16_t) n;
844 				else
845 					rte_exit(EXIT_FAILURE,
846 						 "burst must >= 1 and <= %d]",
847 						 MAX_PKT_BURST);
848 			}
849 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
850 				n = atoi(optarg);
851 				if ((n >= 0) &&
852 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
853 					mb_mempool_cache = (uint16_t) n;
854 				else
855 					rte_exit(EXIT_FAILURE,
856 						 "mbcache must be >= 0 and <= %d\n",
857 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
858 			}
859 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
860 				n = atoi(optarg);
861 				if (n >= 0)
862 					tx_free_thresh = (int16_t)n;
863 				else
864 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
865 			}
866 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
867 				n = atoi(optarg);
868 				if (n >= 0)
869 					tx_rs_thresh = (int16_t)n;
870 				else
871 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
872 			}
873 			if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
874 				char *end = NULL;
875 				n = strtoul(optarg, &end, 16);
876 				if (n >= 0)
877 					txq_flags = (int32_t)n;
878 				else
879 					rte_exit(EXIT_FAILURE,
880 						 "txqflags must be >= 0\n");
881 			}
882 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
883 				n = atoi(optarg);
884 				if (n > 0) {
885 					if (rx_free_thresh >= n)
886 						rte_exit(EXIT_FAILURE,
887 							 "rxd must be > "
888 							 "rx_free_thresh(%d)\n",
889 							 (int)rx_free_thresh);
890 					else
891 						nb_rxd = (uint16_t) n;
892 				} else
893 					rte_exit(EXIT_FAILURE,
894 						 "rxd(%d) invalid - must be > 0\n",
895 						 n);
896 			}
897 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
898 				n = atoi(optarg);
899 				if (n > 0)
900 					nb_txd = (uint16_t) n;
901 				else
902 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
903 			}
904 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
905 				n = atoi(optarg);
906 				if (n >= 0)
907 					tx_pthresh = (int8_t)n;
908 				else
909 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
910 			}
911 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
912 				n = atoi(optarg);
913 				if (n >= 0)
914 					tx_hthresh = (int8_t)n;
915 				else
916 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
917 			}
918 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
919 				n = atoi(optarg);
920 				if (n >= 0)
921 					tx_wthresh = (int8_t)n;
922 				else
923 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
924 			}
925 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
926 				n = atoi(optarg);
927 				if (n >= 0)
928 					rx_pthresh = (int8_t)n;
929 				else
930 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
931 			}
932 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
933 				n = atoi(optarg);
934 				if (n >= 0)
935 					rx_hthresh = (int8_t)n;
936 				else
937 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
938 			}
939 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
940 				n = atoi(optarg);
941 				if (n >= 0)
942 					rx_wthresh = (int8_t)n;
943 				else
944 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
945 			}
946 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
947 				n = atoi(optarg);
948 				if (n >= 0)
949 					rx_free_thresh = (int16_t)n;
950 				else
951 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
952 			}
953 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
954 				if (parse_queue_stats_mapping_config(optarg, TX)) {
955 					rte_exit(EXIT_FAILURE,
956 						 "invalid TX queue statistics mapping config entered\n");
957 				}
958 			}
959 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
960 				if (parse_queue_stats_mapping_config(optarg, RX)) {
961 					rte_exit(EXIT_FAILURE,
962 						 "invalid RX queue statistics mapping config entered\n");
963 				}
964 			}
965 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
966 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
967 				unsigned int nb_segs;
968 
969 				nb_segs = parse_item_list(optarg, "txpkt segments",
970 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
971 				if (nb_segs > 0)
972 					set_tx_pkt_segments(seg_lengths, nb_segs);
973 				else
974 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
975 			}
976 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
977 				no_flush_rx = 1;
978 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
979 				no_link_check = 1;
980 
981 			break;
982 		case 'h':
983 			usage(argv[0]);
984 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
985 			break;
986 		default:
987 			usage(argv[0]);
988 			rte_exit(EXIT_FAILURE,
989 				 "Command line is incomplete or incorrect\n");
990 			break;
991 		}
992 	}
993 }
994