xref: /dpdk/app/test-pmd/parameters.c (revision b6df9fc8715f9a925136006b18fdd65f9c621757)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2013 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 
35 #include <errno.h>
36 #include <getopt.h>
37 #include <stdarg.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <signal.h>
41 #include <string.h>
42 #include <time.h>
43 #include <fcntl.h>
44 #include <sys/types.h>
45 #include <errno.h>
46 
47 #include <sys/queue.h>
48 #include <sys/stat.h>
49 
50 #include <stdint.h>
51 #include <unistd.h>
52 #include <inttypes.h>
53 
54 #include <rte_common.h>
55 #include <rte_byteorder.h>
56 #include <rte_log.h>
57 #include <rte_debug.h>
58 #include <rte_cycles.h>
59 #include <rte_memory.h>
60 #include <rte_memzone.h>
61 #include <rte_launch.h>
62 #include <rte_tailq.h>
63 #include <rte_eal.h>
64 #include <rte_per_lcore.h>
65 #include <rte_lcore.h>
66 #include <rte_atomic.h>
67 #include <rte_branch_prediction.h>
68 #include <rte_ring.h>
69 #include <rte_mempool.h>
70 #include <rte_interrupts.h>
71 #include <rte_pci.h>
72 #include <rte_ether.h>
73 #include <rte_ethdev.h>
74 #include <rte_string_fns.h>
75 #include <cmdline_parse.h>
76 #include <cmdline_parse_etheraddr.h>
77 
78 #include "testpmd.h"
79 
80 static void
81 usage(char* progname)
82 {
83 	printf("usage: %s [--interactive|-i] [--help|-h] | ["
84 	       "--coremask=COREMASK --portmask=PORTMASK --numa "
85 	       "--mbuf-size= | --total-num-mbufs= | "
86 	       "--eth-peers-configfile= | "
87 	       "--eth-peer=X,M:M:M:M:M:M | --nb-cores= | --nb-ports= | "
88 	       "--pkt-filter-mode= |"
89 	       "--rss-ip | --rss-udp | "
90 	       "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
91 	       "--txpt= | --txht= | --txwt= | --txfreet= | "
92 	       "--txrst= | --txqflags= ]\n",
93 	       progname);
94 	printf("  --interactive: run in interactive mode\n");
95 	printf("  --help:   display this message and quit\n");
96 	printf("  --eth-peers-configfile=name of file with ethernet addresses "
97 	       "of peer ports\n");
98 	printf("  --eth-peer=X,M:M:M:M:M:M set the mac address of the X peer "
99 	       "port (0 <= X < %d)\n", RTE_MAX_ETHPORTS);
100 	printf("  --nb-cores=N set the number of forwarding cores"
101 	       " (1 <= N <= %d)\n", nb_lcores);
102 	printf("  --nb-ports=N set the number of forwarding ports"
103 	       " (1 <= N <= %d)\n", nb_ports);
104 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
105 	       "the packet forwarding test. The master lcore is reserved for "
106 	       "command line parsing only, and can not be masked on for running"
107 	       "the packet forwarding\n");
108 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
109 	       "by the packet forwarding test\n");
110 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
111 	       " RX memory buffers (mbufs)\n");
112 	printf("  --mbuf-size=N set the data size of mbuf to N bytes\n");
113 	printf("  --total-num-mbufs=N set the number of mbufs to be allocated "
114 	       "in mbuf pools\n");
115 	printf("  --max-pkt-len=N set the maximum size of packet to N bytes\n");
116 	printf("  --pkt-filter-mode=N: set Flow director mode "
117 	       "( N: none (default mode) or signature or perfect)\n");
118 	printf("  --pkt-filter-report-hash=N: set Flow director report mode "
119 	       "( N: none  or match (default) or always)\n");
120 	printf("  --pkt-filter-size=N: set Flow director mode "
121 	       "( N: 64K (default mode) or 128K or 256K)\n");
122 	printf("  --pkt-filter-flexbytes-offset=N: set flexbytes-offset."
123 	       " The offset is defined in word units counted from the"
124 	       " first byte of the destination Ethernet MAC address."
125 	       " 0 <= N <= 32\n");
126 	printf("  --pkt-filter-drop-queue=N: set drop-queue."
127 	       " In perfect mode, when you add a rule with queue -1"
128 	       " the packet will be enqueued into the rx drop-queue."
129 	       " If the drop-queue doesn't exist, the packet is dropped."
130 	       " By default drop-queue=127\n");
131 	printf("  --crc-strip: enable CRC stripping by hardware\n");
132 	printf("  --enable-rx-cksum: enable rx hardware checksum offload\n");
133 	printf("  --disable-hw-vlan: disable hardware vlan\n");
134 	printf("  --enable-drop-en: enable per queue packet drop\n");
135 	printf("  --disable-rss: disable rss\n");
136 	printf("  --port-topology=N: set port topology (N: paired (default) or "
137 	       "chained)\n");
138 	printf("  --rss-ip:  set RSS functions to IPv4/IPv6 only \n");
139 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP\n");
140 	printf("  --rxq=N    set the number of RX queues per port to N\n");
141 	printf("  --rxd=N    set the number of descriptors in RX rings to N\n");
142 	printf("  --txq=N    set the number of TX queues per port to N\n");
143 	printf("  --txd=N    set the number of descriptors in TX rings to N\n");
144 	printf("  --burst=N  set the number of packets per burst to N\n");
145 	printf("  --mbcache=N  set the cache of mbuf memory pool to N\n");
146 	printf("  --rxpt=N   set prefetch threshold register of RX rings to N"
147 	       " (0 <= N <= 16)\n");
148 	printf("  --rxht=N  set the host threshold register of RX rings to N"
149 	       " (0 <= N <= 16)\n");
150 	printf("  --rxfreet=N set the free threshold of RX descriptors to N"
151 	       " (0 <= N < value of rxd)\n");
152 	printf("  --rxwt=N  set the write-back threshold register of RX rings"
153 	       " to N (0 <= N <= 16)\n");
154 	printf("  --txpt=N  set the prefetch threshold register of TX rings"
155 	       " to N (0 <= N <= 16)\n");
156 	printf("  --txht=N  set the nhost threshold register of TX rings to N"
157 	       " (0 <= N <= 16)\n");
158 	printf("  --txwt=N  set the write-back threshold register of TX rings"
159 	       " to N (0 <= N <= 16)\n");
160 	printf("  --txfreet=N set the transmit free threshold of TX rings to N"
161 	       " (0 <= N <= value of txd)\n");
162 	printf("  --txrst=N set the transmit RS bit threshold of TX rings to N"
163 	       " (0 <= N <= value of txd)\n");
164 	printf("  --txqflags=0xXXXXXXXX hexidecimal bitmask of TX queue flags"
165 	       " (0 <= N <= 0x7FFFFFFF)\n");
166 	printf("  --tx-queue-stats-mapping (port,queue,mapping)[,(port,queue,mapping]:"
167 	       " tx queues statistics counters mapping"
168 	       " (0 <= mapping <= %d)\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
169 	printf("  --rx-queue-stats-mapping (port,queue,mapping)[,(port,queue,mapping]:"
170 	       " rx queues statistics counters mapping"
171 	       " (0 <= mapping <= %d)\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
172 }
173 
174 static int
175 init_peer_eth_addrs(char *config_filename)
176 {
177 	FILE *config_file;
178 	portid_t i;
179 	char buf[50];
180 
181 	config_file = fopen(config_filename, "r");
182 	if (config_file == NULL) {
183 		perror("open log file failed\n");
184 		return -1;
185 	}
186 
187 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
188 
189 		if (fgets(buf, sizeof(buf), config_file) == NULL)
190 			break;
191 
192 		if (cmdline_parse_etheraddr(NULL, buf, &peer_eth_addrs[i]) < 0 ){
193 			printf("bad format of mac address on line %d\n", i);
194 			fclose(config_file);
195 			return -1;
196 		}
197 	}
198 	fclose(config_file);
199 	nb_peer_eth_addrs = (portid_t) i;
200 	return 0;
201 }
202 
203 /*
204  * Parse the coremask given as argument (hexadecimal string) and set
205  * the global configuration of forwarding cores.
206  */
207 static void
208 parse_fwd_coremask(const char *coremask)
209 {
210 	char *end;
211 	unsigned long long int cm;
212 
213 	/* parse hexadecimal string */
214 	end = NULL;
215 	cm = strtoull(coremask, &end, 16);
216 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
217 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
218 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
219 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
220 }
221 
222 /*
223  * Parse the coremask given as argument (hexadecimal string) and set
224  * the global configuration of forwarding cores.
225  */
226 static void
227 parse_fwd_portmask(const char *portmask)
228 {
229 	char *end;
230 	unsigned long long int pm;
231 
232 	/* parse hexadecimal string */
233 	end = NULL;
234 	pm = strtoull(portmask, &end, 16);
235 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
236 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
237 	else
238 		set_fwd_ports_mask((uint64_t) pm);
239 }
240 
241 
242 static int
243 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
244 {
245 	char s[256];
246 	const char *p, *p0 = q_arg;
247 	char *end;
248 	enum fieldnames {
249 		FLD_PORT = 0,
250 		FLD_QUEUE,
251 		FLD_STATS_COUNTER,
252 		_NUM_FLD
253 	};
254 	unsigned long int_fld[_NUM_FLD];
255 	char *str_fld[_NUM_FLD];
256 	int i;
257 	unsigned size;
258 
259 	/* reset from value set at definition */
260 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
261 
262 	while ((p = strchr(p0,'(')) != NULL) {
263 		++p;
264 		if((p0 = strchr(p,')')) == NULL)
265 			return -1;
266 
267 		size = p0 - p;
268 		if(size >= sizeof(s))
269 			return -1;
270 
271 		rte_snprintf(s, sizeof(s), "%.*s", size, p);
272 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
273 			return -1;
274 		for (i = 0; i < _NUM_FLD; i++){
275 			errno = 0;
276 			int_fld[i] = strtoul(str_fld[i], &end, 0);
277 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
278 				return -1;
279 		}
280 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
281 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
282 			printf("Stats counter not in the correct range 0..%d\n",
283 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
284 			return -1;
285 		}
286 
287 		if (is_rx ? (nb_rx_queue_stats_mappings >= MAX_RX_QUEUE_STATS_MAPPINGS) :
288 		    (nb_tx_queue_stats_mappings >= MAX_TX_QUEUE_STATS_MAPPINGS)) {
289 			printf("exceeded max number of %s queue statistics mappings: %hu\n",
290 			       is_rx ? "RX" : "TX",
291 			       is_rx ? nb_rx_queue_stats_mappings : nb_tx_queue_stats_mappings);
292 			return -1;
293 		}
294 		if (!is_rx) {
295 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
296 				(uint8_t)int_fld[FLD_PORT];
297 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
298 				(uint8_t)int_fld[FLD_QUEUE];
299 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
300 				(uint8_t)int_fld[FLD_STATS_COUNTER];
301 			++nb_tx_queue_stats_mappings;
302 		}
303 		else {
304 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
305 				(uint8_t)int_fld[FLD_PORT];
306 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
307 				(uint8_t)int_fld[FLD_QUEUE];
308 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
309 				(uint8_t)int_fld[FLD_STATS_COUNTER];
310 			++nb_rx_queue_stats_mappings;
311 		}
312 
313 	}
314 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
315 /* than to the default array (that was set at its definition) */
316 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
317 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
318 	return 0;
319 }
320 
321 
322 void
323 launch_args_parse(int argc, char** argv)
324 {
325 	int n, opt;
326 	char **argvopt;
327 	int opt_idx;
328 	enum { TX, RX };
329 
330 	static struct option lgopts[] = {
331 		{ "help",			0, 0, 0 },
332 		{ "interactive",		0, 0, 0 },
333 		{ "eth-peers-configfile",	1, 0, 0 },
334 		{ "eth-peer",			1, 0, 0 },
335 		{ "ports",			1, 0, 0 },
336 		{ "nb-cores",			1, 0, 0 },
337 		{ "nb-ports",			1, 0, 0 },
338 		{ "coremask",			1, 0, 0 },
339 		{ "portmask",			1, 0, 0 },
340 		{ "numa",			0, 0, 0 },
341 		{ "mbuf-size",			1, 0, 0 },
342 		{ "total-num-mbufs",			1, 0, 0 },
343 		{ "max-pkt-len",		1, 0, 0 },
344 		{ "pkt-filter-mode",            1, 0, 0 },
345 		{ "pkt-filter-report-hash",     1, 0, 0 },
346 		{ "pkt-filter-size",            1, 0, 0 },
347 		{ "pkt-filter-flexbytes-offset",1, 0, 0 },
348 		{ "pkt-filter-drop-queue",      1, 0, 0 },
349 		{ "crc-strip",                  0, 0, 0 },
350 		{ "enable-rx-cksum",            0, 0, 0 },
351 		{ "disable-hw-vlan",            0, 0, 0 },
352 		{ "enable-drop-en",            0, 0, 0 },
353 		{ "disable-rss",                0, 0, 0 },
354 		{ "port-topology",              1, 0, 0 },
355 		{ "rss-ip",			0, 0, 0 },
356 		{ "rss-udp",			0, 0, 0 },
357 		{ "rxq",			1, 0, 0 },
358 		{ "txq",			1, 0, 0 },
359 		{ "rxd",			1, 0, 0 },
360 		{ "txd",			1, 0, 0 },
361 		{ "burst",			1, 0, 0 },
362 		{ "mbcache",			1, 0, 0 },
363 		{ "txpt",			1, 0, 0 },
364 		{ "txht",			1, 0, 0 },
365 		{ "txwt",			1, 0, 0 },
366 		{ "txfreet",			1, 0, 0 },
367 		{ "txrst",			1, 0, 0 },
368 		{ "txqflags",			1, 0, 0 },
369 		{ "rxpt",			1, 0, 0 },
370 		{ "rxht",			1, 0, 0 },
371 		{ "rxwt",			1, 0, 0 },
372 		{ "rxfreet",                    1, 0, 0 },
373 		{ "tx-queue-stats-mapping",	1, 0, 0 },
374 		{ "rx-queue-stats-mapping",	1, 0, 0 },
375 		{ 0, 0, 0, 0 },
376 	};
377 
378 	argvopt = argv;
379 
380 	while ((opt = getopt_long(argc, argvopt, "ih",
381 				 lgopts, &opt_idx)) != EOF) {
382 		switch (opt) {
383 		case 'i':
384 			printf("Interactive-mode selected\n");
385 			interactive = 1;
386 			break;
387 		case 0: /*long options */
388 			if (!strcmp(lgopts[opt_idx].name, "help")) {
389 				usage(argv[0]);
390 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
391 			}
392 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
393 				printf("Interactive-mode selected\n");
394 				interactive = 1;
395 			}
396 			if (!strcmp(lgopts[opt_idx].name,
397 				    "eth-peers-configfile")) {
398 				if (init_peer_eth_addrs(optarg) != 0)
399 					rte_exit(EXIT_FAILURE,
400 						 "Cannot open logfile\n");
401 			}
402 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
403 				char *port_end;
404 				uint8_t c, peer_addr[6];
405 
406 				errno = 0;
407 				n = strtoul(optarg, &port_end, 10);
408 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
409 					rte_exit(EXIT_FAILURE,
410 						 "Invalid eth-peer: %s", optarg);
411 				if (n >= RTE_MAX_ETHPORTS)
412 					rte_exit(EXIT_FAILURE,
413 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
414 						 n, RTE_MAX_ETHPORTS);
415 
416 				if (cmdline_parse_etheraddr(NULL, port_end, &peer_addr) < 0 )
417 					rte_exit(EXIT_FAILURE,
418 						 "Invalid ethernet address: %s\n",
419 						 port_end);
420 				for (c = 0; c < 6; c++)
421 					peer_eth_addrs[n].addr_bytes[c] =
422 						peer_addr[c];
423 				nb_peer_eth_addrs++;
424 			}
425 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
426 				n = atoi(optarg);
427 				if (n > 0 && n <= nb_ports)
428 					nb_fwd_ports = (uint8_t) n;
429 				else
430 					rte_exit(EXIT_FAILURE,
431 						 "nb-ports should be > 0 and <= %d\n",
432 						 nb_ports);
433 			}
434 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
435 				n = atoi(optarg);
436 				if (n > 0 && n <= nb_lcores)
437 					nb_fwd_lcores = (uint8_t) n;
438 				else
439 					rte_exit(EXIT_FAILURE,
440 						 "nb-cores should be > 0 and <= %d\n",
441 						 nb_lcores);
442 			}
443 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
444 				parse_fwd_coremask(optarg);
445 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
446 				parse_fwd_portmask(optarg);
447 			if (!strcmp(lgopts[opt_idx].name, "numa"))
448 				numa_support = 1;
449 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
450 				n = atoi(optarg);
451 				if (n > 0 && n <= 0xFFFF)
452 					mbuf_data_size = (uint16_t) n;
453 				else
454 					rte_exit(EXIT_FAILURE,
455 						 "mbuf-size should be > 0 and < 65536\n");
456 			}
457 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
458 				n = atoi(optarg);
459 				if (n > 1024)
460 					param_total_num_mbufs = (unsigned)n;
461 				else
462 					rte_exit(EXIT_FAILURE,
463 						 "total-num-mbufs should be > 1024\n");
464 			}
465 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
466 				n = atoi(optarg);
467 				if (n >= ETHER_MIN_LEN) {
468 					rx_mode.max_rx_pkt_len = (uint32_t) n;
469 					if (n > ETHER_MAX_LEN)
470 					    rx_mode.jumbo_frame = 1;
471 				} else
472 					rte_exit(EXIT_FAILURE,
473 						 "Invalid max-pkt-len=%d - should be > %d\n",
474 						 n, ETHER_MIN_LEN);
475 			}
476 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
477 				if (!strcmp(optarg, "signature"))
478 					fdir_conf.mode =
479 						RTE_FDIR_MODE_SIGNATURE;
480 				else if (!strcmp(optarg, "perfect"))
481 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
482 				else if (!strcmp(optarg, "none"))
483 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
484 				else
485 					rte_exit(EXIT_FAILURE,
486 						 "pkt-mode-invalid %s invalid - must be: "
487 						 "none, signature or perfect\n",
488 						 optarg);
489 			}
490 			if (!strcmp(lgopts[opt_idx].name,
491 				    "pkt-filter-report-hash")) {
492 				if (!strcmp(optarg, "none"))
493 					fdir_conf.status =
494 						RTE_FDIR_NO_REPORT_STATUS;
495 				else if (!strcmp(optarg, "match"))
496 					fdir_conf.status =
497 						RTE_FDIR_REPORT_STATUS;
498 				else if (!strcmp(optarg, "always"))
499 					fdir_conf.status =
500 						RTE_FDIR_REPORT_STATUS_ALWAYS;
501 				else
502 					rte_exit(EXIT_FAILURE,
503 						 "pkt-filter-report-hash %s invalid "
504 						 "- must be: none or match or always\n",
505 						 optarg);
506 			}
507 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
508 				if (!strcmp(optarg, "64K"))
509 					fdir_conf.pballoc =
510 						RTE_FDIR_PBALLOC_64K;
511 				else if (!strcmp(optarg, "128K"))
512 					fdir_conf.pballoc =
513 						RTE_FDIR_PBALLOC_128K;
514 				else if (!strcmp(optarg, "256K"))
515 					fdir_conf.pballoc =
516 						RTE_FDIR_PBALLOC_256K;
517 				else
518 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
519 						 " must be: 64K or 128K or 256K\n",
520 						 optarg);
521 			}
522 			if (!strcmp(lgopts[opt_idx].name,
523 				    "pkt-filter-flexbytes-offset")) {
524 				n = atoi(optarg);
525 				if ( n >= 0 && n <= (int) 32)
526 					fdir_conf.flexbytes_offset =
527 						(uint8_t) n;
528 				else
529 					rte_exit(EXIT_FAILURE,
530 						 "flexbytes %d invalid - must"
531 						 "be  >= 0 && <= 32\n", n);
532 			}
533 			if (!strcmp(lgopts[opt_idx].name,
534 				    "pkt-filter-drop-queue")) {
535 				n = atoi(optarg);
536 				if (n >= 0)
537 					fdir_conf.drop_queue = (uint8_t) n;
538 				else
539 					rte_exit(EXIT_FAILURE,
540 						 "drop queue %d invalid - must"
541 						 "be >= 0 \n", n);
542 			}
543 			if (!strcmp(lgopts[opt_idx].name, "crc-strip"))
544 				rx_mode.hw_strip_crc = 1;
545 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
546 				rx_mode.hw_ip_checksum = 1;
547 
548 			if (!strcmp(lgopts[opt_idx].name, "disable-hw-vlan")) {
549 				rx_mode.hw_vlan_filter = 0;
550 				rx_mode.hw_vlan_strip  = 0;
551 				rx_mode.hw_vlan_extend = 0;
552 			}
553 
554 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
555 				rx_drop_en = 1;
556 
557 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
558 				rss_hf = 0;
559 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
560 				if (!strcmp(optarg, "paired"))
561 					port_topology = PORT_TOPOLOGY_PAIRED;
562 				else if (!strcmp(optarg, "chained"))
563 					port_topology = PORT_TOPOLOGY_CHAINED;
564 				else
565 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
566 						 " must be: paired or chained \n",
567 						 optarg);
568 			}
569 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
570 				rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6;
571 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
572 				rss_hf = ETH_RSS_IPV4 |
573 						ETH_RSS_IPV6 | ETH_RSS_IPV4_UDP;
574 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
575 				n = atoi(optarg);
576 				if (n >= 1 && n <= (int) MAX_QUEUE_ID)
577 					nb_rxq = (queueid_t) n;
578 				else
579 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
580 						  " >= 1 && <= %d\n", n,
581 						  (int) MAX_QUEUE_ID);
582 			}
583 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
584 				n = atoi(optarg);
585 				if (n >= 1 && n <= (int) MAX_QUEUE_ID)
586 					nb_txq = (queueid_t) n;
587 				else
588 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
589 						  " >= 1 && <= %d\n", n,
590 						  (int) MAX_QUEUE_ID);
591 			}
592 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
593 				n = atoi(optarg);
594 				if (n > 0)
595 					nb_rxd = (uint16_t) n;
596 				else
597 					rte_exit(EXIT_FAILURE, "rxd must be > 0\n");
598 			}
599 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
600 				n = atoi(optarg);
601 				if (n > 0)
602 					nb_txd = (uint16_t) n;
603 				else
604 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
605 			}
606 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
607 				n = atoi(optarg);
608 				if ((n >= 1) && (n <= MAX_PKT_BURST))
609 					nb_pkt_per_burst = (uint16_t) n;
610 				else
611 					rte_exit(EXIT_FAILURE,
612 						 "burst must >= 1 and <= %d]",
613 						 MAX_PKT_BURST);
614 			}
615 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
616 				n = atoi(optarg);
617 				if ((n >= 0) &&
618 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
619 					mb_mempool_cache = (uint16_t) n;
620 				else
621 					rte_exit(EXIT_FAILURE,
622 						 "mbcache must be >= 0 and <= %d\n",
623 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
624 			}
625 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
626 				n = atoi(optarg);
627 				if (n >= 0)
628 					tx_thresh.pthresh = (uint8_t)n;
629 				else
630 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
631 			}
632 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
633 				n = atoi(optarg);
634 				if (n >= 0)
635 					tx_thresh.hthresh = (uint8_t)n;
636 				else
637 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
638 			}
639 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
640 				n = atoi(optarg);
641 				if (n >= 0)
642 					tx_thresh.wthresh = (uint8_t)n;
643 				else
644 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
645 			}
646 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
647 				n = atoi(optarg);
648 				if (n >= 0)
649 					tx_free_thresh = (uint16_t)n;
650 				else
651 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
652 			}
653 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
654 				n = atoi(optarg);
655 				if (n >= 0)
656 					tx_rs_thresh = (uint16_t)n;
657 				else
658 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
659 			}
660 			if (!strcmp(lgopts[opt_idx].name, "txqflags")) {
661 				char *end = NULL;
662 				n = strtoul(optarg, &end, 16);
663 				if (n >= 0)
664 					txq_flags = (uint32_t)n;
665 				else
666 					rte_exit(EXIT_FAILURE,
667 						 "txqflags must be >= 0\n");
668 			}
669 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
670 				n = atoi(optarg);
671 				if (n >= 0)
672 					rx_thresh.pthresh = (uint8_t)n;
673 				else
674 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
675 			}
676 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
677 				n = atoi(optarg);
678 				if (n >= 0)
679 					rx_thresh.hthresh = (uint8_t)n;
680 				else
681 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
682 			}
683 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
684 				n = atoi(optarg);
685 				if (n >= 0)
686 					rx_thresh.wthresh = (uint8_t)n;
687 				else
688 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
689 			}
690 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
691 				n = atoi(optarg);
692 				if (n > 0) {
693 					if (rx_free_thresh >= n)
694 						rte_exit(EXIT_FAILURE,
695 							 "rxd must be > "
696 							 "rx_free_thresh(%d)\n",
697 							 (int)rx_free_thresh);
698 					else
699 						nb_rxd = (uint16_t) n;
700 				} else
701 					rte_exit(EXIT_FAILURE,
702 						 "rxd(%d) invalid - must be > 0\n",
703 						 n);
704 			}
705 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
706 				n = atoi(optarg);
707 				if (n > 0)
708 					nb_txd = (uint16_t) n;
709 				else
710 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
711 			}
712 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
713 				n = atoi(optarg);
714 				if (n >= 0)
715 					tx_thresh.pthresh = (uint8_t)n;
716 				else
717 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
718 			}
719 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
720 				n = atoi(optarg);
721 				if (n >= 0)
722 					tx_thresh.hthresh = (uint8_t)n;
723 				else
724 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
725 			}
726 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
727 				n = atoi(optarg);
728 				if (n >= 0)
729 					tx_thresh.wthresh = (uint8_t)n;
730 				else
731 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
732 			}
733 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
734 				n = atoi(optarg);
735 				if (n >= 0)
736 					rx_thresh.pthresh = (uint8_t)n;
737 				else
738 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
739 			}
740 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
741 				n = atoi(optarg);
742 				if (n >= 0)
743 					rx_thresh.hthresh = (uint8_t)n;
744 				else
745 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
746 			}
747 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
748 				n = atoi(optarg);
749 				if (n >= 0)
750 					rx_thresh.wthresh = (uint8_t)n;
751 				else
752 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
753 			}
754 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
755 				n = atoi(optarg);
756 				if (n >= 0)
757 					rx_free_thresh = (uint16_t)n;
758 				else
759 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
760 			}
761 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
762 				if (parse_queue_stats_mapping_config(optarg, TX)) {
763 					rte_exit(EXIT_FAILURE,
764 						 "invalid TX queue statistics mapping config entered\n");
765 				}
766 			}
767 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
768 				if (parse_queue_stats_mapping_config(optarg, RX)) {
769 					rte_exit(EXIT_FAILURE,
770 						 "invalid RX queue statistics mapping config entered\n");
771 				}
772 			}
773 			break;
774 		case 'h':
775 			usage(argv[0]);
776 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
777 			break;
778 		default:
779 			usage(argv[0]);
780 			rte_exit(EXIT_FAILURE,
781 				 "Command line is incomplete or incorrect\n");
782 			break;
783 		}
784 	}
785 }
786