xref: /dpdk/app/test-pmd/parameters.c (revision c81e3f21d1ea05e5123278b15d9d5e1257b6ba99)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4 
5 #include <errno.h>
6 #include <getopt.h>
7 #include <stdarg.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <signal.h>
11 #include <string.h>
12 #include <time.h>
13 #include <fcntl.h>
14 #include <sys/types.h>
15 
16 #include <sys/queue.h>
17 #include <sys/stat.h>
18 
19 #include <stdint.h>
20 #include <unistd.h>
21 #include <inttypes.h>
22 #include <arpa/inet.h>
23 
24 #include <rte_common.h>
25 #include <rte_byteorder.h>
26 #include <rte_log.h>
27 #include <rte_debug.h>
28 #include <rte_cycles.h>
29 #include <rte_memory.h>
30 #include <rte_launch.h>
31 #include <rte_eal.h>
32 #include <rte_per_lcore.h>
33 #include <rte_lcore.h>
34 #include <rte_atomic.h>
35 #include <rte_branch_prediction.h>
36 #include <rte_mempool.h>
37 #include <rte_interrupts.h>
38 #include <rte_pci.h>
39 #include <rte_ether.h>
40 #include <rte_ethdev.h>
41 #include <rte_string_fns.h>
42 #ifdef RTE_LIBRTE_PMD_BOND
43 #include <rte_eth_bond.h>
44 #endif
45 #include <rte_flow.h>
46 
47 #include "testpmd.h"
48 
49 static void
50 usage(char* progname)
51 {
52 	printf("usage: %s [EAL options] -- "
53 #ifdef RTE_LIBRTE_CMDLINE
54 	       "[--interactive|-i] "
55 	       "[--cmdline-file=FILENAME] "
56 #endif
57 	       "[--help|-h] | [--auto-start|-a] | ["
58 	       "--tx-first | --stats-period=PERIOD | "
59 	       "--coremask=COREMASK --portmask=PORTMASK --numa "
60 	       "--portlist=PORTLIST "
61 	       "--mbuf-size= | --total-num-mbufs= | "
62 	       "--nb-cores= | --nb-ports= | "
63 #ifdef RTE_LIBRTE_CMDLINE
64 	       "--eth-peers-configfile= | "
65 	       "--eth-peer=X,M:M:M:M:M:M | "
66 	       "--tx-ip=SRC,DST | --tx-udp=PORT | "
67 #endif
68 	       "--pkt-filter-mode= |"
69 	       "--rss-ip | --rss-udp | "
70 	       "--rxpt= | --rxht= | --rxwt= | --rxfreet= | "
71 	       "--txpt= | --txht= | --txwt= | --txfreet= | "
72 	       "--txrst= | --tx-offloads= | | --rx-offloads= | "
73 	       "--vxlan-gpe-port= ]\n",
74 	       progname);
75 #ifdef RTE_LIBRTE_CMDLINE
76 	printf("  --interactive: run in interactive mode.\n");
77 	printf("  --cmdline-file: execute cli commands before startup.\n");
78 #endif
79 	printf("  --auto-start: start forwarding on init "
80 	       "[always when non-interactive].\n");
81 	printf("  --help: display this message and quit.\n");
82 	printf("  --tx-first: start forwarding sending a burst first "
83 	       "(only if interactive is disabled).\n");
84 	printf("  --stats-period=PERIOD: statistics will be shown "
85 	       "every PERIOD seconds (only if interactive is disabled).\n");
86 	printf("  --nb-cores=N: set the number of forwarding cores "
87 	       "(1 <= N <= %d).\n", nb_lcores);
88 	printf("  --nb-ports=N: set the number of forwarding ports "
89 	       "(1 <= N <= %d).\n", nb_ports);
90 	printf("  --coremask=COREMASK: hexadecimal bitmask of cores running "
91 	       "the packet forwarding test. The master lcore is reserved for "
92 	       "command line parsing only, and cannot be masked on for "
93 	       "packet forwarding.\n");
94 	printf("  --portmask=PORTMASK: hexadecimal bitmask of ports used "
95 	       "by the packet forwarding test.\n");
96 	printf("  --portlist=PORTLIST: list of forwarding ports\n");
97 	printf("  --numa: enable NUMA-aware allocation of RX/TX rings and of "
98 	       "RX memory buffers (mbufs).\n");
99 	printf("  --port-numa-config=(port,socket)[,(port,socket)]: "
100 	       "specify the socket on which the memory pool "
101 	       "used by the port will be allocated.\n");
102 	printf("  --ring-numa-config=(port,flag,socket)[,(port,flag,socket)]: "
103 	       "specify the socket on which the TX/RX rings for "
104 	       "the port will be allocated "
105 	       "(flag: 1 for RX; 2 for TX; 3 for RX and TX).\n");
106 	printf("  --socket-num=N: set socket from which all memory is allocated "
107 	       "in NUMA mode.\n");
108 	printf("  --mbuf-size=N: set the data size of mbuf to N bytes.\n");
109 	printf("  --total-num-mbufs=N: set the number of mbufs to be allocated "
110 	       "in mbuf pools.\n");
111 	printf("  --max-pkt-len=N: set the maximum size of packet to N bytes.\n");
112 	printf("  --max-lro-pkt-size=N: set the maximum LRO aggregated packet "
113 	       "size to N bytes.\n");
114 #ifdef RTE_LIBRTE_CMDLINE
115 	printf("  --eth-peers-configfile=name: config file with ethernet addresses "
116 	       "of peer ports.\n");
117 	printf("  --eth-peer=X,M:M:M:M:M:M: set the MAC address of the X peer "
118 	       "port (0 <= X < %d).\n", RTE_MAX_ETHPORTS);
119 #endif
120 	printf("  --pkt-filter-mode=N: set Flow Director mode "
121 	       "(N: none (default mode) or signature or perfect).\n");
122 	printf("  --pkt-filter-report-hash=N: set Flow Director report mode "
123 	       "(N: none  or match (default) or always).\n");
124 	printf("  --pkt-filter-size=N: set Flow Director mode "
125 	       "(N: 64K (default mode) or 128K or 256K).\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 #ifdef RTE_LIBRTE_LATENCY_STATS
132 	printf("  --latencystats=N: enable latency and jitter statistcs "
133 	       "monitoring on forwarding lcore id N.\n");
134 #endif
135 	printf("  --disable-crc-strip: disable CRC stripping by hardware.\n");
136 	printf("  --enable-lro: enable large receive offload.\n");
137 	printf("  --enable-rx-cksum: enable rx hardware checksum offload.\n");
138 	printf("  --enable-rx-timestamp: enable rx hardware timestamp offload.\n");
139 	printf("  --enable-hw-vlan: enable hardware vlan.\n");
140 	printf("  --enable-hw-vlan-filter: enable hardware vlan filter.\n");
141 	printf("  --enable-hw-vlan-strip: enable hardware vlan strip.\n");
142 	printf("  --enable-hw-vlan-extend: enable hardware vlan extend.\n");
143 	printf("  --enable-hw-qinq-strip: enable hardware qinq strip.\n");
144 	printf("  --enable-drop-en: enable per queue packet drop.\n");
145 	printf("  --disable-rss: disable rss.\n");
146 	printf("  --port-topology=<paired|chained|loop>: set port topology (paired "
147 	       "is default).\n");
148 	printf("  --forward-mode=N: set forwarding mode (N: %s).\n",
149 	       list_pkt_forwarding_modes());
150 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
151 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
152 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
153 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
154 	printf("  --txq=N: set the number of TX queues per port to N.\n");
155 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
156 	printf("  --hairpinq=N: set the number of hairpin queues per port to "
157 	       "N.\n");
158 	printf("  --burst=N: set the number of packets per burst to N.\n");
159 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
160 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
161 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
162 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
163 	       "(0 <= N < value of rxd).\n");
164 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
165 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
166 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
167 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
168 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
169 	       "(0 <= N <= value of txd).\n");
170 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
171 	       "(0 <= N <= value of txd).\n");
172 	printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
173 	       "tx queues statistics counters mapping "
174 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
175 	printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
176 	       "rx queues statistics counters mapping "
177 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
178 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
179 	       " Used mainly with PCAP drivers.\n");
180 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
181 		" or total packet length.\n");
182 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
183 	printf("  --disable-link-check: disable check on link status when "
184 	       "starting/stopping ports.\n");
185 	printf("  --disable-device-start: do not automatically start port\n");
186 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
187 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
188 	printf("  --bitrate-stats=N: set the logical core N to perform "
189 		"bit-rate calculation.\n");
190 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
191 	       "enable print of designated event or all of them.\n");
192 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
193 	       "disable print of designated event or all of them.\n");
194 	printf("  --flow-isolate-all: "
195 	       "requests flow API isolated mode on all ports at initialization time.\n");
196 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
197 	printf("  --rx-offloads=0xXXXXXXXX: hexadecimal bitmask of RX queue offloads\n");
198 	printf("  --hot-plug: enable hot plug for device.\n");
199 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
200 	printf("  --mlockall: lock all memory\n");
201 	printf("  --no-mlockall: do not lock all memory\n");
202 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
203 	       "    native: use regular DPDK memory to create and populate mempool\n"
204 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
205 	       "    xmem: use anonymous memory to create and populate mempool\n"
206 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
207 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
208 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
209 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
210 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
211 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
212 	printf("  --noisy-lkup-num-writes=N: do N random reads and writes per packet\n");
213 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
214 	       "valid only with --mp-alloc=anon\n");
215 	printf("  --rx-mq-mode=0xX: hexadecimal bitmask of RX mq mode can be "
216 	       "enabled\n");
217 }
218 
219 #ifdef RTE_LIBRTE_CMDLINE
220 static int
221 init_peer_eth_addrs(char *config_filename)
222 {
223 	FILE *config_file;
224 	portid_t i;
225 	char buf[50];
226 
227 	config_file = fopen(config_filename, "r");
228 	if (config_file == NULL) {
229 		perror("Failed to open eth config file\n");
230 		return -1;
231 	}
232 
233 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
234 
235 		if (fgets(buf, sizeof(buf), config_file) == NULL)
236 			break;
237 
238 		if (rte_ether_unformat_addr(buf, &peer_eth_addrs[i]) < 0) {
239 			printf("Bad MAC address format on line %d\n", i+1);
240 			fclose(config_file);
241 			return -1;
242 		}
243 	}
244 	fclose(config_file);
245 	nb_peer_eth_addrs = (portid_t) i;
246 	return 0;
247 }
248 #endif
249 
250 /*
251  * Parse the coremask given as argument (hexadecimal string) and set
252  * the global configuration of forwarding cores.
253  */
254 static void
255 parse_fwd_coremask(const char *coremask)
256 {
257 	char *end;
258 	unsigned long long int cm;
259 
260 	/* parse hexadecimal string */
261 	end = NULL;
262 	cm = strtoull(coremask, &end, 16);
263 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
264 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
265 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
266 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
267 }
268 
269 /*
270  * Parse the coremask given as argument (hexadecimal string) and set
271  * the global configuration of forwarding cores.
272  */
273 static void
274 parse_fwd_portmask(const char *portmask)
275 {
276 	char *end;
277 	unsigned long long int pm;
278 
279 	/* parse hexadecimal string */
280 	end = NULL;
281 	pm = strtoull(portmask, &end, 16);
282 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
283 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
284 	else
285 		set_fwd_ports_mask((uint64_t) pm);
286 }
287 
288 
289 static int
290 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
291 {
292 	char s[256];
293 	const char *p, *p0 = q_arg;
294 	char *end;
295 	enum fieldnames {
296 		FLD_PORT = 0,
297 		FLD_QUEUE,
298 		FLD_STATS_COUNTER,
299 		_NUM_FLD
300 	};
301 	unsigned long int_fld[_NUM_FLD];
302 	char *str_fld[_NUM_FLD];
303 	int i;
304 	unsigned size;
305 
306 	/* reset from value set at definition */
307 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
308 
309 	while ((p = strchr(p0,'(')) != NULL) {
310 		++p;
311 		if((p0 = strchr(p,')')) == NULL)
312 			return -1;
313 
314 		size = p0 - p;
315 		if(size >= sizeof(s))
316 			return -1;
317 
318 		snprintf(s, sizeof(s), "%.*s", size, p);
319 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
320 			return -1;
321 		for (i = 0; i < _NUM_FLD; i++){
322 			errno = 0;
323 			int_fld[i] = strtoul(str_fld[i], &end, 0);
324 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
325 				return -1;
326 		}
327 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
328 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
329 			printf("Stats counter not in the correct range 0..%d\n",
330 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
331 			return -1;
332 		}
333 
334 		if (!is_rx) {
335 			if ((nb_tx_queue_stats_mappings >=
336 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
337 				printf("exceeded max number of TX queue "
338 						"statistics mappings: %hu\n",
339 						nb_tx_queue_stats_mappings);
340 				return -1;
341 			}
342 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
343 				(uint8_t)int_fld[FLD_PORT];
344 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
345 				(uint8_t)int_fld[FLD_QUEUE];
346 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
347 				(uint8_t)int_fld[FLD_STATS_COUNTER];
348 			++nb_tx_queue_stats_mappings;
349 		}
350 		else {
351 			if ((nb_rx_queue_stats_mappings >=
352 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
353 				printf("exceeded max number of RX queue "
354 						"statistics mappings: %hu\n",
355 						nb_rx_queue_stats_mappings);
356 				return -1;
357 			}
358 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
359 				(uint8_t)int_fld[FLD_PORT];
360 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
361 				(uint8_t)int_fld[FLD_QUEUE];
362 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
363 				(uint8_t)int_fld[FLD_STATS_COUNTER];
364 			++nb_rx_queue_stats_mappings;
365 		}
366 
367 	}
368 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
369 /* than to the default array (that was set at its definition) */
370 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
371 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
372 	return 0;
373 }
374 
375 static void
376 print_invalid_socket_id_error(void)
377 {
378 	unsigned int i = 0;
379 
380 	printf("Invalid socket id, options are: ");
381 	for (i = 0; i < num_sockets; i++) {
382 		printf("%u%s", socket_ids[i],
383 		      (i == num_sockets - 1) ? "\n" : ",");
384 	}
385 }
386 
387 static int
388 parse_portnuma_config(const char *q_arg)
389 {
390 	char s[256];
391 	const char *p, *p0 = q_arg;
392 	char *end;
393 	uint8_t i, socket_id;
394 	portid_t port_id;
395 	unsigned size;
396 	enum fieldnames {
397 		FLD_PORT = 0,
398 		FLD_SOCKET,
399 		_NUM_FLD
400 	};
401 	unsigned long int_fld[_NUM_FLD];
402 	char *str_fld[_NUM_FLD];
403 
404 	/* reset from value set at definition */
405 	while ((p = strchr(p0,'(')) != NULL) {
406 		++p;
407 		if((p0 = strchr(p,')')) == NULL)
408 			return -1;
409 
410 		size = p0 - p;
411 		if(size >= sizeof(s))
412 			return -1;
413 
414 		snprintf(s, sizeof(s), "%.*s", size, p);
415 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
416 			return -1;
417 		for (i = 0; i < _NUM_FLD; i++) {
418 			errno = 0;
419 			int_fld[i] = strtoul(str_fld[i], &end, 0);
420 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
421 				return -1;
422 		}
423 		port_id = (portid_t)int_fld[FLD_PORT];
424 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
425 			port_id == (portid_t)RTE_PORT_ALL) {
426 			print_valid_ports();
427 			return -1;
428 		}
429 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
430 		if (new_socket_id(socket_id)) {
431 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
432 				print_invalid_socket_id_error();
433 				return -1;
434 			}
435 			socket_ids[num_sockets++] = socket_id;
436 		}
437 		port_numa[port_id] = socket_id;
438 	}
439 
440 	return 0;
441 }
442 
443 static int
444 parse_ringnuma_config(const char *q_arg)
445 {
446 	char s[256];
447 	const char *p, *p0 = q_arg;
448 	char *end;
449 	uint8_t i, ring_flag, socket_id;
450 	portid_t port_id;
451 	unsigned size;
452 	enum fieldnames {
453 		FLD_PORT = 0,
454 		FLD_FLAG,
455 		FLD_SOCKET,
456 		_NUM_FLD
457 	};
458 	unsigned long int_fld[_NUM_FLD];
459 	char *str_fld[_NUM_FLD];
460 	#define RX_RING_ONLY 0x1
461 	#define TX_RING_ONLY 0x2
462 	#define RXTX_RING    0x3
463 
464 	/* reset from value set at definition */
465 	while ((p = strchr(p0,'(')) != NULL) {
466 		++p;
467 		if((p0 = strchr(p,')')) == NULL)
468 			return -1;
469 
470 		size = p0 - p;
471 		if(size >= sizeof(s))
472 			return -1;
473 
474 		snprintf(s, sizeof(s), "%.*s", size, p);
475 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
476 			return -1;
477 		for (i = 0; i < _NUM_FLD; i++) {
478 			errno = 0;
479 			int_fld[i] = strtoul(str_fld[i], &end, 0);
480 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
481 				return -1;
482 		}
483 		port_id = (portid_t)int_fld[FLD_PORT];
484 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
485 			port_id == (portid_t)RTE_PORT_ALL) {
486 			print_valid_ports();
487 			return -1;
488 		}
489 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
490 		if (new_socket_id(socket_id)) {
491 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
492 				print_invalid_socket_id_error();
493 				return -1;
494 			}
495 			socket_ids[num_sockets++] = socket_id;
496 		}
497 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
498 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
499 			printf("Invalid ring-flag=%d config for port =%d\n",
500 				ring_flag,port_id);
501 			return -1;
502 		}
503 
504 		switch (ring_flag & RXTX_RING) {
505 		case RX_RING_ONLY:
506 			rxring_numa[port_id] = socket_id;
507 			break;
508 		case TX_RING_ONLY:
509 			txring_numa[port_id] = socket_id;
510 			break;
511 		case RXTX_RING:
512 			rxring_numa[port_id] = socket_id;
513 			txring_numa[port_id] = socket_id;
514 			break;
515 		default:
516 			printf("Invalid ring-flag=%d config for port=%d\n",
517 				ring_flag,port_id);
518 			break;
519 		}
520 	}
521 
522 	return 0;
523 }
524 
525 static int
526 parse_event_printing_config(const char *optarg, int enable)
527 {
528 	uint32_t mask = 0;
529 
530 	if (!strcmp(optarg, "unknown"))
531 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
532 	else if (!strcmp(optarg, "intr_lsc"))
533 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
534 	else if (!strcmp(optarg, "queue_state"))
535 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
536 	else if (!strcmp(optarg, "intr_reset"))
537 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
538 	else if (!strcmp(optarg, "vf_mbox"))
539 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
540 	else if (!strcmp(optarg, "ipsec"))
541 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
542 	else if (!strcmp(optarg, "macsec"))
543 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
544 	else if (!strcmp(optarg, "intr_rmv"))
545 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
546 	else if (!strcmp(optarg, "dev_probed"))
547 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
548 	else if (!strcmp(optarg, "dev_released"))
549 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
550 	else if (!strcmp(optarg, "flow_aged"))
551 		mask = UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED;
552 	else if (!strcmp(optarg, "all"))
553 		mask = ~UINT32_C(0);
554 	else {
555 		fprintf(stderr, "Invalid event: %s\n", optarg);
556 		return -1;
557 	}
558 	if (enable)
559 		event_print_mask |= mask;
560 	else
561 		event_print_mask &= ~mask;
562 	return 0;
563 }
564 
565 void
566 launch_args_parse(int argc, char** argv)
567 {
568 	int n, opt;
569 	char **argvopt;
570 	int opt_idx;
571 	portid_t pid;
572 	enum { TX, RX };
573 	/* Default offloads for all ports. */
574 	uint64_t rx_offloads = rx_mode.offloads;
575 	uint64_t tx_offloads = tx_mode.offloads;
576 	struct rte_eth_dev_info dev_info;
577 	uint16_t rec_nb_pkts;
578 	int ret;
579 
580 	static struct option lgopts[] = {
581 		{ "help",			0, 0, 0 },
582 #ifdef RTE_LIBRTE_CMDLINE
583 		{ "interactive",		0, 0, 0 },
584 		{ "cmdline-file",		1, 0, 0 },
585 		{ "auto-start",			0, 0, 0 },
586 		{ "eth-peers-configfile",	1, 0, 0 },
587 		{ "eth-peer",			1, 0, 0 },
588 #endif
589 		{ "tx-first",			0, 0, 0 },
590 		{ "stats-period",		1, 0, 0 },
591 		{ "ports",			1, 0, 0 },
592 		{ "nb-cores",			1, 0, 0 },
593 		{ "nb-ports",			1, 0, 0 },
594 		{ "coremask",			1, 0, 0 },
595 		{ "portmask",			1, 0, 0 },
596 		{ "portlist",			1, 0, 0 },
597 		{ "numa",			0, 0, 0 },
598 		{ "no-numa",			0, 0, 0 },
599 		{ "mp-anon",			0, 0, 0 },
600 		{ "port-numa-config",           1, 0, 0 },
601 		{ "ring-numa-config",           1, 0, 0 },
602 		{ "socket-num",			1, 0, 0 },
603 		{ "mbuf-size",			1, 0, 0 },
604 		{ "total-num-mbufs",		1, 0, 0 },
605 		{ "max-pkt-len",		1, 0, 0 },
606 		{ "max-lro-pkt-size",		1, 0, 0 },
607 		{ "pkt-filter-mode",            1, 0, 0 },
608 		{ "pkt-filter-report-hash",     1, 0, 0 },
609 		{ "pkt-filter-size",            1, 0, 0 },
610 		{ "pkt-filter-drop-queue",      1, 0, 0 },
611 #ifdef RTE_LIBRTE_LATENCY_STATS
612 		{ "latencystats",               1, 0, 0 },
613 #endif
614 #ifdef RTE_LIBRTE_BITRATE
615 		{ "bitrate-stats",              1, 0, 0 },
616 #endif
617 		{ "disable-crc-strip",          0, 0, 0 },
618 		{ "enable-lro",                 0, 0, 0 },
619 		{ "enable-rx-cksum",            0, 0, 0 },
620 		{ "enable-rx-timestamp",        0, 0, 0 },
621 		{ "enable-scatter",             0, 0, 0 },
622 		{ "enable-hw-vlan",             0, 0, 0 },
623 		{ "enable-hw-vlan-filter",      0, 0, 0 },
624 		{ "enable-hw-vlan-strip",       0, 0, 0 },
625 		{ "enable-hw-vlan-extend",      0, 0, 0 },
626 		{ "enable-hw-qinq-strip",       0, 0, 0 },
627 		{ "enable-drop-en",            0, 0, 0 },
628 		{ "disable-rss",                0, 0, 0 },
629 		{ "port-topology",              1, 0, 0 },
630 		{ "forward-mode",               1, 0, 0 },
631 		{ "rss-ip",			0, 0, 0 },
632 		{ "rss-udp",			0, 0, 0 },
633 		{ "rxq",			1, 0, 0 },
634 		{ "txq",			1, 0, 0 },
635 		{ "rxd",			1, 0, 0 },
636 		{ "txd",			1, 0, 0 },
637 		{ "hairpinq",			1, 0, 0 },
638 		{ "burst",			1, 0, 0 },
639 		{ "mbcache",			1, 0, 0 },
640 		{ "txpt",			1, 0, 0 },
641 		{ "txht",			1, 0, 0 },
642 		{ "txwt",			1, 0, 0 },
643 		{ "txfreet",			1, 0, 0 },
644 		{ "txrst",			1, 0, 0 },
645 		{ "rxpt",			1, 0, 0 },
646 		{ "rxht",			1, 0, 0 },
647 		{ "rxwt",			1, 0, 0 },
648 		{ "rxfreet",                    1, 0, 0 },
649 		{ "tx-queue-stats-mapping",	1, 0, 0 },
650 		{ "rx-queue-stats-mapping",	1, 0, 0 },
651 		{ "no-flush-rx",	0, 0, 0 },
652 		{ "flow-isolate-all",	        0, 0, 0 },
653 		{ "txpkts",			1, 0, 0 },
654 		{ "txonly-multi-flow",		0, 0, 0 },
655 		{ "disable-link-check",		0, 0, 0 },
656 		{ "disable-device-start",	0, 0, 0 },
657 		{ "no-lsc-interrupt",		0, 0, 0 },
658 		{ "no-rmv-interrupt",		0, 0, 0 },
659 		{ "print-event",		1, 0, 0 },
660 		{ "mask-event",			1, 0, 0 },
661 		{ "tx-offloads",		1, 0, 0 },
662 		{ "rx-offloads",		1, 0, 0 },
663 		{ "hot-plug",			0, 0, 0 },
664 		{ "vxlan-gpe-port",		1, 0, 0 },
665 		{ "mlockall",			0, 0, 0 },
666 		{ "no-mlockall",		0, 0, 0 },
667 		{ "mp-alloc",			1, 0, 0 },
668 		{ "tx-ip",			1, 0, 0 },
669 		{ "tx-udp",			1, 0, 0 },
670 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
671 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
672 		{ "noisy-lkup-memory",		1, 0, 0 },
673 		{ "noisy-lkup-num-writes",	1, 0, 0 },
674 		{ "noisy-lkup-num-reads",	1, 0, 0 },
675 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
676 		{ "no-iova-contig",             0, 0, 0 },
677 		{ "rx-mq-mode",                 1, 0, 0 },
678 		{ 0, 0, 0, 0 },
679 	};
680 
681 	argvopt = argv;
682 
683 #ifdef RTE_LIBRTE_CMDLINE
684 #define SHORTOPTS "i"
685 #else
686 #define SHORTOPTS ""
687 #endif
688 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
689 				 lgopts, &opt_idx)) != EOF) {
690 		switch (opt) {
691 #ifdef RTE_LIBRTE_CMDLINE
692 		case 'i':
693 			printf("Interactive-mode selected\n");
694 			interactive = 1;
695 			break;
696 #endif
697 		case 'a':
698 			printf("Auto-start selected\n");
699 			auto_start = 1;
700 			break;
701 
702 		case 0: /*long options */
703 			if (!strcmp(lgopts[opt_idx].name, "help")) {
704 				usage(argv[0]);
705 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
706 			}
707 #ifdef RTE_LIBRTE_CMDLINE
708 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
709 				printf("Interactive-mode selected\n");
710 				interactive = 1;
711 			}
712 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
713 				printf("CLI commands to be read from %s\n",
714 				       optarg);
715 				strlcpy(cmdline_filename, optarg,
716 					sizeof(cmdline_filename));
717 			}
718 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
719 				printf("Auto-start selected\n");
720 				auto_start = 1;
721 			}
722 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
723 				printf("Ports to start sending a burst of "
724 						"packets first\n");
725 				tx_first = 1;
726 			}
727 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
728 				char *end = NULL;
729 				unsigned int n;
730 
731 				n = strtoul(optarg, &end, 10);
732 				if ((optarg[0] == '\0') || (end == NULL) ||
733 						(*end != '\0'))
734 					break;
735 
736 				stats_period = n;
737 				break;
738 			}
739 			if (!strcmp(lgopts[opt_idx].name,
740 				    "eth-peers-configfile")) {
741 				if (init_peer_eth_addrs(optarg) != 0)
742 					rte_exit(EXIT_FAILURE,
743 						 "Cannot open logfile\n");
744 			}
745 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
746 				char *port_end;
747 
748 				errno = 0;
749 				n = strtoul(optarg, &port_end, 10);
750 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
751 					rte_exit(EXIT_FAILURE,
752 						 "Invalid eth-peer: %s", optarg);
753 				if (n >= RTE_MAX_ETHPORTS)
754 					rte_exit(EXIT_FAILURE,
755 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
756 						 n, RTE_MAX_ETHPORTS);
757 
758 				if (rte_ether_unformat_addr(port_end,
759 						&peer_eth_addrs[n]) < 0)
760 					rte_exit(EXIT_FAILURE,
761 						 "Invalid ethernet address: %s\n",
762 						 port_end);
763 				nb_peer_eth_addrs++;
764 			}
765 #endif
766 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
767 				struct in_addr in;
768 				char *end;
769 
770 				end = strchr(optarg, ',');
771 				if (end == optarg || !end)
772 					rte_exit(EXIT_FAILURE,
773 						 "Invalid tx-ip: %s", optarg);
774 
775 				*end++ = 0;
776 				if (inet_aton(optarg, &in) == 0)
777 					rte_exit(EXIT_FAILURE,
778 						 "Invalid source IP address: %s\n",
779 						 optarg);
780 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
781 
782 				if (inet_aton(end, &in) == 0)
783 					rte_exit(EXIT_FAILURE,
784 						 "Invalid destination IP address: %s\n",
785 						 optarg);
786 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
787 			}
788 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
789 				char *end = NULL;
790 
791 				errno = 0;
792 				n = strtoul(optarg, &end, 10);
793 				if (errno != 0 || end == optarg ||
794 				    n > UINT16_MAX ||
795 				    !(*end == '\0' || *end == ','))
796 					rte_exit(EXIT_FAILURE,
797 						 "Invalid UDP port: %s\n",
798 						 optarg);
799 				tx_udp_src_port = n;
800 				if (*end == ',') {
801 					char *dst = end + 1;
802 
803 					n = strtoul(dst, &end, 10);
804 					if (errno != 0 || end == dst ||
805 					    n > UINT16_MAX || *end)
806 						rte_exit(EXIT_FAILURE,
807 							 "Invalid destination UDP port: %s\n",
808 							 dst);
809 					tx_udp_dst_port = n;
810 				} else {
811 					tx_udp_dst_port = n;
812 				}
813 
814 			}
815 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
816 				n = atoi(optarg);
817 				if (n > 0 && n <= nb_ports)
818 					nb_fwd_ports = n;
819 				else
820 					rte_exit(EXIT_FAILURE,
821 						 "Invalid port %d\n", n);
822 			}
823 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
824 				n = atoi(optarg);
825 				if (n > 0 && n <= nb_lcores)
826 					nb_fwd_lcores = (uint8_t) n;
827 				else
828 					rte_exit(EXIT_FAILURE,
829 						 "nb-cores should be > 0 and <= %d\n",
830 						 nb_lcores);
831 			}
832 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
833 				parse_fwd_coremask(optarg);
834 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
835 				parse_fwd_portmask(optarg);
836 			if (!strcmp(lgopts[opt_idx].name, "portlist"))
837 				parse_fwd_portlist(optarg);
838 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
839 				numa_support = 0;
840 			if (!strcmp(lgopts[opt_idx].name, "numa"))
841 				numa_support = 1;
842 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
843 				mp_alloc_type = MP_ALLOC_ANON;
844 			}
845 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
846 				if (!strcmp(optarg, "native"))
847 					mp_alloc_type = MP_ALLOC_NATIVE;
848 				else if (!strcmp(optarg, "anon"))
849 					mp_alloc_type = MP_ALLOC_ANON;
850 				else if (!strcmp(optarg, "xmem"))
851 					mp_alloc_type = MP_ALLOC_XMEM;
852 				else if (!strcmp(optarg, "xmemhuge"))
853 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
854 				else if (!strcmp(optarg, "xbuf"))
855 					mp_alloc_type = MP_ALLOC_XBUF;
856 				else
857 					rte_exit(EXIT_FAILURE,
858 						"mp-alloc %s invalid - must be: "
859 						"native, anon, xmem or xmemhuge\n",
860 						 optarg);
861 			}
862 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
863 				if (parse_portnuma_config(optarg))
864 					rte_exit(EXIT_FAILURE,
865 					   "invalid port-numa configuration\n");
866 			}
867 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
868 				if (parse_ringnuma_config(optarg))
869 					rte_exit(EXIT_FAILURE,
870 					   "invalid ring-numa configuration\n");
871 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
872 				n = atoi(optarg);
873 				if (!new_socket_id((uint8_t)n)) {
874 					socket_num = (uint8_t)n;
875 				} else {
876 					print_invalid_socket_id_error();
877 					rte_exit(EXIT_FAILURE,
878 						"Invalid socket id");
879 				}
880 			}
881 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
882 				n = atoi(optarg);
883 				if (n > 0 && n <= 0xFFFF)
884 					mbuf_data_size = (uint16_t) n;
885 				else
886 					rte_exit(EXIT_FAILURE,
887 						 "mbuf-size should be > 0 and < 65536\n");
888 			}
889 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
890 				n = atoi(optarg);
891 				if (n > 1024)
892 					param_total_num_mbufs = (unsigned)n;
893 				else
894 					rte_exit(EXIT_FAILURE,
895 						 "total-num-mbufs should be > 1024\n");
896 			}
897 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
898 				n = atoi(optarg);
899 				if (n >= RTE_ETHER_MIN_LEN) {
900 					rx_mode.max_rx_pkt_len = (uint32_t) n;
901 					if (n > RTE_ETHER_MAX_LEN)
902 						rx_offloads |=
903 							DEV_RX_OFFLOAD_JUMBO_FRAME;
904 				} else
905 					rte_exit(EXIT_FAILURE,
906 						 "Invalid max-pkt-len=%d - should be > %d\n",
907 						 n, RTE_ETHER_MIN_LEN);
908 			}
909 			if (!strcmp(lgopts[opt_idx].name, "max-lro-pkt-size")) {
910 				n = atoi(optarg);
911 				rx_mode.max_lro_pkt_size = (uint32_t) n;
912 			}
913 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
914 				if (!strcmp(optarg, "signature"))
915 					fdir_conf.mode =
916 						RTE_FDIR_MODE_SIGNATURE;
917 				else if (!strcmp(optarg, "perfect"))
918 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
919 				else if (!strcmp(optarg, "perfect-mac-vlan"))
920 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
921 				else if (!strcmp(optarg, "perfect-tunnel"))
922 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
923 				else if (!strcmp(optarg, "none"))
924 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
925 				else
926 					rte_exit(EXIT_FAILURE,
927 						 "pkt-mode-invalid %s invalid - must be: "
928 						 "none, signature, perfect, perfect-mac-vlan"
929 						 " or perfect-tunnel\n",
930 						 optarg);
931 			}
932 			if (!strcmp(lgopts[opt_idx].name,
933 				    "pkt-filter-report-hash")) {
934 				if (!strcmp(optarg, "none"))
935 					fdir_conf.status =
936 						RTE_FDIR_NO_REPORT_STATUS;
937 				else if (!strcmp(optarg, "match"))
938 					fdir_conf.status =
939 						RTE_FDIR_REPORT_STATUS;
940 				else if (!strcmp(optarg, "always"))
941 					fdir_conf.status =
942 						RTE_FDIR_REPORT_STATUS_ALWAYS;
943 				else
944 					rte_exit(EXIT_FAILURE,
945 						 "pkt-filter-report-hash %s invalid "
946 						 "- must be: none or match or always\n",
947 						 optarg);
948 			}
949 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
950 				if (!strcmp(optarg, "64K"))
951 					fdir_conf.pballoc =
952 						RTE_FDIR_PBALLOC_64K;
953 				else if (!strcmp(optarg, "128K"))
954 					fdir_conf.pballoc =
955 						RTE_FDIR_PBALLOC_128K;
956 				else if (!strcmp(optarg, "256K"))
957 					fdir_conf.pballoc =
958 						RTE_FDIR_PBALLOC_256K;
959 				else
960 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
961 						 " must be: 64K or 128K or 256K\n",
962 						 optarg);
963 			}
964 			if (!strcmp(lgopts[opt_idx].name,
965 				    "pkt-filter-drop-queue")) {
966 				n = atoi(optarg);
967 				if (n >= 0)
968 					fdir_conf.drop_queue = (uint8_t) n;
969 				else
970 					rte_exit(EXIT_FAILURE,
971 						 "drop queue %d invalid - must"
972 						 "be >= 0 \n", n);
973 			}
974 #ifdef RTE_LIBRTE_LATENCY_STATS
975 			if (!strcmp(lgopts[opt_idx].name,
976 				    "latencystats")) {
977 				n = atoi(optarg);
978 				if (n >= 0) {
979 					latencystats_lcore_id = (lcoreid_t) n;
980 					latencystats_enabled = 1;
981 				} else
982 					rte_exit(EXIT_FAILURE,
983 						 "invalid lcore id %d for latencystats"
984 						 " must be >= 0\n", n);
985 			}
986 #endif
987 #ifdef RTE_LIBRTE_BITRATE
988 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
989 				n = atoi(optarg);
990 				if (n >= 0) {
991 					bitrate_lcore_id = (lcoreid_t) n;
992 					bitrate_enabled = 1;
993 				} else
994 					rte_exit(EXIT_FAILURE,
995 						 "invalid lcore id %d for bitrate stats"
996 						 " must be >= 0\n", n);
997 			}
998 #endif
999 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
1000 				rx_offloads |= DEV_RX_OFFLOAD_KEEP_CRC;
1001 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
1002 				rx_offloads |= DEV_RX_OFFLOAD_TCP_LRO;
1003 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
1004 				rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
1005 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
1006 				rx_offloads |= DEV_RX_OFFLOAD_CHECKSUM;
1007 			if (!strcmp(lgopts[opt_idx].name,
1008 					"enable-rx-timestamp"))
1009 				rx_offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
1010 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
1011 				rx_offloads |= DEV_RX_OFFLOAD_VLAN;
1012 
1013 			if (!strcmp(lgopts[opt_idx].name,
1014 					"enable-hw-vlan-filter"))
1015 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
1016 
1017 			if (!strcmp(lgopts[opt_idx].name,
1018 					"enable-hw-vlan-strip"))
1019 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
1020 
1021 			if (!strcmp(lgopts[opt_idx].name,
1022 					"enable-hw-vlan-extend"))
1023 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
1024 
1025 			if (!strcmp(lgopts[opt_idx].name,
1026 					"enable-hw-qinq-strip"))
1027 				rx_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
1028 
1029 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
1030 				rx_drop_en = 1;
1031 
1032 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
1033 				rss_hf = 0;
1034 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
1035 				if (!strcmp(optarg, "paired"))
1036 					port_topology = PORT_TOPOLOGY_PAIRED;
1037 				else if (!strcmp(optarg, "chained"))
1038 					port_topology = PORT_TOPOLOGY_CHAINED;
1039 				else if (!strcmp(optarg, "loop"))
1040 					port_topology = PORT_TOPOLOGY_LOOP;
1041 				else
1042 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
1043 						 " must be: paired, chained or loop\n",
1044 						 optarg);
1045 			}
1046 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
1047 				set_pkt_forwarding_mode(optarg);
1048 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
1049 				rss_hf = ETH_RSS_IP;
1050 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
1051 				rss_hf = ETH_RSS_UDP;
1052 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
1053 				n = atoi(optarg);
1054 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
1055 					nb_rxq = (queueid_t) n;
1056 				else
1057 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
1058 						  " >= 0 && <= %u\n", n,
1059 						  get_allowed_max_nb_rxq(&pid));
1060 			}
1061 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
1062 				n = atoi(optarg);
1063 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
1064 					nb_txq = (queueid_t) n;
1065 				else
1066 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1067 						  " >= 0 && <= %u\n", n,
1068 						  get_allowed_max_nb_txq(&pid));
1069 			}
1070 			if (!strcmp(lgopts[opt_idx].name, "hairpinq")) {
1071 				n = atoi(optarg);
1072 				if (n >= 0 &&
1073 				    check_nb_hairpinq((queueid_t)n) == 0)
1074 					nb_hairpinq = (queueid_t) n;
1075 				else
1076 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1077 						  " >= 0 && <= %u\n", n,
1078 						  get_allowed_max_nb_hairpinq
1079 						  (&pid));
1080 				if ((n + nb_txq) < 0 ||
1081 				    check_nb_txq((queueid_t)(n + nb_txq)) != 0)
1082 					rte_exit(EXIT_FAILURE, "txq + hairpinq "
1083 						 "%d invalid - must be"
1084 						  " >= 0 && <= %u\n",
1085 						  n + nb_txq,
1086 						  get_allowed_max_nb_txq(&pid));
1087 				if ((n + nb_rxq) < 0 ||
1088 				    check_nb_rxq((queueid_t)(n + nb_rxq)) != 0)
1089 					rte_exit(EXIT_FAILURE, "rxq + hairpinq "
1090 						 "%d invalid - must be"
1091 						  " >= 0 && <= %u\n",
1092 						  n + nb_rxq,
1093 						  get_allowed_max_nb_rxq(&pid));
1094 			}
1095 			if (!nb_rxq && !nb_txq) {
1096 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
1097 						"be non-zero\n");
1098 			}
1099 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
1100 				n = atoi(optarg);
1101 				if (n == 0) {
1102 					/* A burst size of zero means that the
1103 					 * PMD should be queried for
1104 					 * recommended Rx burst size. Since
1105 					 * testpmd uses a single size for all
1106 					 * ports, port 0 is queried for the
1107 					 * value, on the assumption that all
1108 					 * ports are of the same NIC model.
1109 					 */
1110 					ret = eth_dev_info_get_print_err(
1111 								0,
1112 								&dev_info);
1113 					if (ret != 0)
1114 						return;
1115 
1116 					rec_nb_pkts = dev_info
1117 						.default_rxportconf.burst_size;
1118 
1119 					if (rec_nb_pkts == 0)
1120 						rte_exit(EXIT_FAILURE,
1121 							"PMD does not recommend a burst size. "
1122 							"Provided value must be between "
1123 							"1 and %d\n", MAX_PKT_BURST);
1124 					else if (rec_nb_pkts > MAX_PKT_BURST)
1125 						rte_exit(EXIT_FAILURE,
1126 							"PMD recommended burst size of %d"
1127 							" exceeds maximum value of %d\n",
1128 							rec_nb_pkts, MAX_PKT_BURST);
1129 					printf("Using PMD-provided burst value of %d\n",
1130 						rec_nb_pkts);
1131 					nb_pkt_per_burst = rec_nb_pkts;
1132 				} else if (n > MAX_PKT_BURST)
1133 					rte_exit(EXIT_FAILURE,
1134 						"burst must be between1 and %d\n",
1135 						MAX_PKT_BURST);
1136 				else
1137 					nb_pkt_per_burst = (uint16_t) n;
1138 			}
1139 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1140 				n = atoi(optarg);
1141 				if ((n >= 0) &&
1142 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1143 					mb_mempool_cache = (uint16_t) n;
1144 				else
1145 					rte_exit(EXIT_FAILURE,
1146 						 "mbcache must be >= 0 and <= %d\n",
1147 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1148 			}
1149 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1150 				n = atoi(optarg);
1151 				if (n >= 0)
1152 					tx_free_thresh = (int16_t)n;
1153 				else
1154 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1155 			}
1156 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1157 				n = atoi(optarg);
1158 				if (n >= 0)
1159 					tx_rs_thresh = (int16_t)n;
1160 				else
1161 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1162 			}
1163 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1164 				n = atoi(optarg);
1165 				if (n > 0) {
1166 					if (rx_free_thresh >= n)
1167 						rte_exit(EXIT_FAILURE,
1168 							 "rxd must be > "
1169 							 "rx_free_thresh(%d)\n",
1170 							 (int)rx_free_thresh);
1171 					else
1172 						nb_rxd = (uint16_t) n;
1173 				} else
1174 					rte_exit(EXIT_FAILURE,
1175 						 "rxd(%d) invalid - must be > 0\n",
1176 						 n);
1177 			}
1178 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1179 				n = atoi(optarg);
1180 				if (n > 0)
1181 					nb_txd = (uint16_t) n;
1182 				else
1183 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1184 			}
1185 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1186 				n = atoi(optarg);
1187 				if (n >= 0)
1188 					tx_pthresh = (int8_t)n;
1189 				else
1190 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1191 			}
1192 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1193 				n = atoi(optarg);
1194 				if (n >= 0)
1195 					tx_hthresh = (int8_t)n;
1196 				else
1197 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1198 			}
1199 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1200 				n = atoi(optarg);
1201 				if (n >= 0)
1202 					tx_wthresh = (int8_t)n;
1203 				else
1204 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1205 			}
1206 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1207 				n = atoi(optarg);
1208 				if (n >= 0)
1209 					rx_pthresh = (int8_t)n;
1210 				else
1211 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1212 			}
1213 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1214 				n = atoi(optarg);
1215 				if (n >= 0)
1216 					rx_hthresh = (int8_t)n;
1217 				else
1218 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1219 			}
1220 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1221 				n = atoi(optarg);
1222 				if (n >= 0)
1223 					rx_wthresh = (int8_t)n;
1224 				else
1225 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1226 			}
1227 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1228 				n = atoi(optarg);
1229 				if (n >= 0)
1230 					rx_free_thresh = (int16_t)n;
1231 				else
1232 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1233 			}
1234 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1235 				if (parse_queue_stats_mapping_config(optarg, TX)) {
1236 					rte_exit(EXIT_FAILURE,
1237 						 "invalid TX queue statistics mapping config entered\n");
1238 				}
1239 			}
1240 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1241 				if (parse_queue_stats_mapping_config(optarg, RX)) {
1242 					rte_exit(EXIT_FAILURE,
1243 						 "invalid RX queue statistics mapping config entered\n");
1244 				}
1245 			}
1246 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1247 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1248 				unsigned int nb_segs;
1249 
1250 				nb_segs = parse_item_list(optarg, "txpkt segments",
1251 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1252 				if (nb_segs > 0)
1253 					set_tx_pkt_segments(seg_lengths, nb_segs);
1254 				else
1255 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1256 			}
1257 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1258 				txonly_multi_flow = 1;
1259 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1260 				no_flush_rx = 1;
1261 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1262 				no_link_check = 1;
1263 			if (!strcmp(lgopts[opt_idx].name, "disable-device-start"))
1264 				no_device_start = 1;
1265 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1266 				lsc_interrupt = 0;
1267 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1268 				rmv_interrupt = 0;
1269 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1270 				flow_isolate_all = 1;
1271 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1272 				char *end = NULL;
1273 				n = strtoull(optarg, &end, 16);
1274 				if (n >= 0)
1275 					tx_offloads = (uint64_t)n;
1276 				else
1277 					rte_exit(EXIT_FAILURE,
1278 						 "tx-offloads must be >= 0\n");
1279 			}
1280 
1281 			if (!strcmp(lgopts[opt_idx].name, "rx-offloads")) {
1282 				char *end = NULL;
1283 				n = strtoull(optarg, &end, 16);
1284 				if (n >= 0)
1285 					rx_offloads = (uint64_t)n;
1286 				else
1287 					rte_exit(EXIT_FAILURE,
1288 						 "rx-offloads must be >= 0\n");
1289 			}
1290 
1291 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1292 				n = atoi(optarg);
1293 				if (n >= 0)
1294 					vxlan_gpe_udp_port = (uint16_t)n;
1295 				else
1296 					rte_exit(EXIT_FAILURE,
1297 						 "vxlan-gpe-port must be >= 0\n");
1298 			}
1299 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1300 				if (parse_event_printing_config(optarg, 1)) {
1301 					rte_exit(EXIT_FAILURE,
1302 						 "invalid print-event argument\n");
1303 				}
1304 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1305 				if (parse_event_printing_config(optarg, 0)) {
1306 					rte_exit(EXIT_FAILURE,
1307 						 "invalid mask-event argument\n");
1308 				}
1309 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1310 				hot_plug = 1;
1311 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1312 				do_mlockall = 1;
1313 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1314 				do_mlockall = 0;
1315 			if (!strcmp(lgopts[opt_idx].name,
1316 				    "noisy-tx-sw-buffer-size")) {
1317 				n = atoi(optarg);
1318 				if (n >= 0)
1319 					noisy_tx_sw_bufsz = n;
1320 				else
1321 					rte_exit(EXIT_FAILURE,
1322 						"noisy-tx-sw-buffer-size must be >= 0\n");
1323 			}
1324 			if (!strcmp(lgopts[opt_idx].name,
1325 				    "noisy-tx-sw-buffer-flushtime")) {
1326 				n = atoi(optarg);
1327 				if (n >= 0)
1328 					noisy_tx_sw_buf_flush_time = n;
1329 				else
1330 					rte_exit(EXIT_FAILURE,
1331 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1332 			}
1333 			if (!strcmp(lgopts[opt_idx].name,
1334 				    "noisy-lkup-memory")) {
1335 				n = atoi(optarg);
1336 				if (n >= 0)
1337 					noisy_lkup_mem_sz = n;
1338 				else
1339 					rte_exit(EXIT_FAILURE,
1340 						 "noisy-lkup-memory must be >= 0\n");
1341 			}
1342 			if (!strcmp(lgopts[opt_idx].name,
1343 				    "noisy-lkup-num-writes")) {
1344 				n = atoi(optarg);
1345 				if (n >= 0)
1346 					noisy_lkup_num_writes = n;
1347 				else
1348 					rte_exit(EXIT_FAILURE,
1349 						 "noisy-lkup-num-writes must be >= 0\n");
1350 			}
1351 			if (!strcmp(lgopts[opt_idx].name,
1352 				    "noisy-lkup-num-reads")) {
1353 				n = atoi(optarg);
1354 				if (n >= 0)
1355 					noisy_lkup_num_reads = n;
1356 				else
1357 					rte_exit(EXIT_FAILURE,
1358 						 "noisy-lkup-num-reads must be >= 0\n");
1359 			}
1360 			if (!strcmp(lgopts[opt_idx].name,
1361 				    "noisy-lkup-num-reads-writes")) {
1362 				n = atoi(optarg);
1363 				if (n >= 0)
1364 					noisy_lkup_num_reads_writes = n;
1365 				else
1366 					rte_exit(EXIT_FAILURE,
1367 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1368 			}
1369 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1370 				mempool_flags = MEMPOOL_F_NO_IOVA_CONTIG;
1371 
1372 			if (!strcmp(lgopts[opt_idx].name, "rx-mq-mode")) {
1373 				char *end = NULL;
1374 				n = strtoul(optarg, &end, 16);
1375 				if (n >= 0 && n <= ETH_MQ_RX_VMDQ_DCB_RSS)
1376 					rx_mq_mode = (enum rte_eth_rx_mq_mode)n;
1377 				else
1378 					rte_exit(EXIT_FAILURE,
1379 						 "rx-mq-mode must be >= 0 and <= %d\n",
1380 						 ETH_MQ_RX_VMDQ_DCB_RSS);
1381 			}
1382 			break;
1383 		case 'h':
1384 			usage(argv[0]);
1385 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
1386 			break;
1387 		default:
1388 			usage(argv[0]);
1389 			printf("Invalid option: %s\n", argv[optind]);
1390 			rte_exit(EXIT_FAILURE,
1391 				 "Command line is incomplete or incorrect\n");
1392 			break;
1393 		}
1394 	}
1395 
1396 	if (optind != argc) {
1397 		usage(argv[0]);
1398 		printf("Invalid parameter: %s\n", argv[optind]);
1399 		rte_exit(EXIT_FAILURE, "Command line is incorrect\n");
1400 	}
1401 
1402 	/* Set offload configuration from command line parameters. */
1403 	rx_mode.offloads = rx_offloads;
1404 	tx_mode.offloads = tx_offloads;
1405 
1406 	if (mempool_flags & MEMPOOL_F_NO_IOVA_CONTIG &&
1407 	    mp_alloc_type != MP_ALLOC_ANON) {
1408 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1409 				  "mp-alloc=anon. mempool no-iova-contig is "
1410 				  "ignored\n");
1411 		mempool_flags = 0;
1412 	}
1413 }
1414