xref: /dpdk/app/test-pmd/parameters.c (revision bc700b6767278e49c4ea9c08bb43c0fd9ca3e70d)
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= | --record-core-cycles]\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("  --forward-mode=5tswap: set forwarding mode to "
151 			"swap L2,L3,L4 for MAC, IPv4/IPv6 and TCP/UDP only.\n");
152 	printf("  --rss-ip: set RSS functions to IPv4/IPv6 only .\n");
153 	printf("  --rss-udp: set RSS functions to IPv4/IPv6 + UDP.\n");
154 	printf("  --rxq=N: set the number of RX queues per port to N.\n");
155 	printf("  --rxd=N: set the number of descriptors in RX rings to N.\n");
156 	printf("  --txq=N: set the number of TX queues per port to N.\n");
157 	printf("  --txd=N: set the number of descriptors in TX rings to N.\n");
158 	printf("  --hairpinq=N: set the number of hairpin queues per port to "
159 	       "N.\n");
160 	printf("  --burst=N: set the number of packets per burst to N.\n");
161 	printf("  --mbcache=N: set the cache of mbuf memory pool to N.\n");
162 	printf("  --rxpt=N: set prefetch threshold register of RX rings to N.\n");
163 	printf("  --rxht=N: set the host threshold register of RX rings to N.\n");
164 	printf("  --rxfreet=N: set the free threshold of RX descriptors to N "
165 	       "(0 <= N < value of rxd).\n");
166 	printf("  --rxwt=N: set the write-back threshold register of RX rings to N.\n");
167 	printf("  --txpt=N: set the prefetch threshold register of TX rings to N.\n");
168 	printf("  --txht=N: set the nhost threshold register of TX rings to N.\n");
169 	printf("  --txwt=N: set the write-back threshold register of TX rings to N.\n");
170 	printf("  --txfreet=N: set the transmit free threshold of TX rings to N "
171 	       "(0 <= N <= value of txd).\n");
172 	printf("  --txrst=N: set the transmit RS bit threshold of TX rings to N "
173 	       "(0 <= N <= value of txd).\n");
174 	printf("  --tx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
175 	       "tx queues statistics counters mapping "
176 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
177 	printf("  --rx-queue-stats-mapping=(port,queue,mapping)[,(port,queue,mapping]: "
178 	       "rx queues statistics counters mapping "
179 	       "(0 <= mapping <= %d).\n", RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
180 	printf("  --no-flush-rx: Don't flush RX streams before forwarding."
181 	       " Used mainly with PCAP drivers.\n");
182 	printf("  --txpkts=X[,Y]*: set TX segment sizes"
183 		" or total packet length.\n");
184 	printf("  --txonly-multi-flow: generate multiple flows in txonly mode\n");
185 	printf("  --disable-link-check: disable check on link status when "
186 	       "starting/stopping ports.\n");
187 	printf("  --disable-device-start: do not automatically start port\n");
188 	printf("  --no-lsc-interrupt: disable link status change interrupt.\n");
189 	printf("  --no-rmv-interrupt: disable device removal interrupt.\n");
190 	printf("  --bitrate-stats=N: set the logical core N to perform "
191 		"bit-rate calculation.\n");
192 	printf("  --print-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
193 	       "enable print of designated event or all of them.\n");
194 	printf("  --mask-event <unknown|intr_lsc|queue_state|intr_reset|vf_mbox|macsec|intr_rmv|flow_aged|all>: "
195 	       "disable print of designated event or all of them.\n");
196 	printf("  --flow-isolate-all: "
197 	       "requests flow API isolated mode on all ports at initialization time.\n");
198 	printf("  --tx-offloads=0xXXXXXXXX: hexadecimal bitmask of TX queue offloads\n");
199 	printf("  --rx-offloads=0xXXXXXXXX: hexadecimal bitmask of RX queue offloads\n");
200 	printf("  --hot-plug: enable hot plug for device.\n");
201 	printf("  --vxlan-gpe-port=N: UPD port of tunnel VXLAN-GPE\n");
202 	printf("  --mlockall: lock all memory\n");
203 	printf("  --no-mlockall: do not lock all memory\n");
204 	printf("  --mp-alloc <native|anon|xmem|xmemhuge>: mempool allocation method.\n"
205 	       "    native: use regular DPDK memory to create and populate mempool\n"
206 	       "    anon: use regular DPDK memory to create and anonymous memory to populate mempool\n"
207 	       "    xmem: use anonymous memory to create and populate mempool\n"
208 	       "    xmemhuge: use anonymous hugepage memory to create and populate mempool\n");
209 	printf("  --noisy-tx-sw-buffer-size=N: size of FIFO buffer\n");
210 	printf("  --noisy-tx-sw-buffer-flushtime=N: flush FIFO after N ms\n");
211 	printf("  --noisy-lkup-memory=N: allocate N MB of VNF memory\n");
212 	printf("  --noisy-lkup-num-writes=N: do N random writes per packet\n");
213 	printf("  --noisy-lkup-num-reads=N: do N random reads per packet\n");
214 	printf("  --noisy-lkup-num-writes=N: do N random reads and writes per packet\n");
215 	printf("  --no-iova-contig: mempool memory can be IOVA non contiguous. "
216 	       "valid only with --mp-alloc=anon\n");
217 	printf("  --rx-mq-mode=0xX: hexadecimal bitmask of RX mq mode can be "
218 	       "enabled\n");
219 	printf("  --record-core-cycles: enable measurement of CPU cycles.\n");
220 }
221 
222 #ifdef RTE_LIBRTE_CMDLINE
223 static int
224 init_peer_eth_addrs(char *config_filename)
225 {
226 	FILE *config_file;
227 	portid_t i;
228 	char buf[50];
229 
230 	config_file = fopen(config_filename, "r");
231 	if (config_file == NULL) {
232 		perror("Failed to open eth config file\n");
233 		return -1;
234 	}
235 
236 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
237 
238 		if (fgets(buf, sizeof(buf), config_file) == NULL)
239 			break;
240 
241 		if (rte_ether_unformat_addr(buf, &peer_eth_addrs[i]) < 0) {
242 			printf("Bad MAC address format on line %d\n", i+1);
243 			fclose(config_file);
244 			return -1;
245 		}
246 	}
247 	fclose(config_file);
248 	nb_peer_eth_addrs = (portid_t) i;
249 	return 0;
250 }
251 #endif
252 
253 /*
254  * Parse the coremask given as argument (hexadecimal string) and set
255  * the global configuration of forwarding cores.
256  */
257 static void
258 parse_fwd_coremask(const char *coremask)
259 {
260 	char *end;
261 	unsigned long long int cm;
262 
263 	/* parse hexadecimal string */
264 	end = NULL;
265 	cm = strtoull(coremask, &end, 16);
266 	if ((coremask[0] == '\0') || (end == NULL) || (*end != '\0'))
267 		rte_exit(EXIT_FAILURE, "Invalid fwd core mask\n");
268 	else if (set_fwd_lcores_mask((uint64_t) cm) < 0)
269 		rte_exit(EXIT_FAILURE, "coremask is not valid\n");
270 }
271 
272 /*
273  * Parse the coremask given as argument (hexadecimal string) and set
274  * the global configuration of forwarding cores.
275  */
276 static void
277 parse_fwd_portmask(const char *portmask)
278 {
279 	char *end;
280 	unsigned long long int pm;
281 
282 	/* parse hexadecimal string */
283 	end = NULL;
284 	pm = strtoull(portmask, &end, 16);
285 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
286 		rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
287 	else
288 		set_fwd_ports_mask((uint64_t) pm);
289 }
290 
291 
292 static int
293 parse_queue_stats_mapping_config(const char *q_arg, int is_rx)
294 {
295 	char s[256];
296 	const char *p, *p0 = q_arg;
297 	char *end;
298 	enum fieldnames {
299 		FLD_PORT = 0,
300 		FLD_QUEUE,
301 		FLD_STATS_COUNTER,
302 		_NUM_FLD
303 	};
304 	unsigned long int_fld[_NUM_FLD];
305 	char *str_fld[_NUM_FLD];
306 	int i;
307 	unsigned size;
308 
309 	/* reset from value set at definition */
310 	is_rx ? (nb_rx_queue_stats_mappings = 0) : (nb_tx_queue_stats_mappings = 0);
311 
312 	while ((p = strchr(p0,'(')) != NULL) {
313 		++p;
314 		if((p0 = strchr(p,')')) == NULL)
315 			return -1;
316 
317 		size = p0 - p;
318 		if(size >= sizeof(s))
319 			return -1;
320 
321 		snprintf(s, sizeof(s), "%.*s", size, p);
322 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
323 			return -1;
324 		for (i = 0; i < _NUM_FLD; i++){
325 			errno = 0;
326 			int_fld[i] = strtoul(str_fld[i], &end, 0);
327 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
328 				return -1;
329 		}
330 		/* Check mapping field is in correct range (0..RTE_ETHDEV_QUEUE_STAT_CNTRS-1) */
331 		if (int_fld[FLD_STATS_COUNTER] >= RTE_ETHDEV_QUEUE_STAT_CNTRS) {
332 			printf("Stats counter not in the correct range 0..%d\n",
333 					RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
334 			return -1;
335 		}
336 
337 		if (!is_rx) {
338 			if ((nb_tx_queue_stats_mappings >=
339 						MAX_TX_QUEUE_STATS_MAPPINGS)) {
340 				printf("exceeded max number of TX queue "
341 						"statistics mappings: %hu\n",
342 						nb_tx_queue_stats_mappings);
343 				return -1;
344 			}
345 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].port_id =
346 				(uint8_t)int_fld[FLD_PORT];
347 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].queue_id =
348 				(uint8_t)int_fld[FLD_QUEUE];
349 			tx_queue_stats_mappings_array[nb_tx_queue_stats_mappings].stats_counter_id =
350 				(uint8_t)int_fld[FLD_STATS_COUNTER];
351 			++nb_tx_queue_stats_mappings;
352 		}
353 		else {
354 			if ((nb_rx_queue_stats_mappings >=
355 						MAX_RX_QUEUE_STATS_MAPPINGS)) {
356 				printf("exceeded max number of RX queue "
357 						"statistics mappings: %hu\n",
358 						nb_rx_queue_stats_mappings);
359 				return -1;
360 			}
361 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].port_id =
362 				(uint8_t)int_fld[FLD_PORT];
363 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].queue_id =
364 				(uint8_t)int_fld[FLD_QUEUE];
365 			rx_queue_stats_mappings_array[nb_rx_queue_stats_mappings].stats_counter_id =
366 				(uint8_t)int_fld[FLD_STATS_COUNTER];
367 			++nb_rx_queue_stats_mappings;
368 		}
369 
370 	}
371 /* Reassign the rx/tx_queue_stats_mappings pointer to point to this newly populated array rather */
372 /* than to the default array (that was set at its definition) */
373 	is_rx ? (rx_queue_stats_mappings = rx_queue_stats_mappings_array) :
374 		(tx_queue_stats_mappings = tx_queue_stats_mappings_array);
375 	return 0;
376 }
377 
378 static void
379 print_invalid_socket_id_error(void)
380 {
381 	unsigned int i = 0;
382 
383 	printf("Invalid socket id, options are: ");
384 	for (i = 0; i < num_sockets; i++) {
385 		printf("%u%s", socket_ids[i],
386 		      (i == num_sockets - 1) ? "\n" : ",");
387 	}
388 }
389 
390 static int
391 parse_portnuma_config(const char *q_arg)
392 {
393 	char s[256];
394 	const char *p, *p0 = q_arg;
395 	char *end;
396 	uint8_t i, socket_id;
397 	portid_t port_id;
398 	unsigned size;
399 	enum fieldnames {
400 		FLD_PORT = 0,
401 		FLD_SOCKET,
402 		_NUM_FLD
403 	};
404 	unsigned long int_fld[_NUM_FLD];
405 	char *str_fld[_NUM_FLD];
406 
407 	/* reset from value set at definition */
408 	while ((p = strchr(p0,'(')) != NULL) {
409 		++p;
410 		if((p0 = strchr(p,')')) == NULL)
411 			return -1;
412 
413 		size = p0 - p;
414 		if(size >= sizeof(s))
415 			return -1;
416 
417 		snprintf(s, sizeof(s), "%.*s", size, p);
418 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
419 			return -1;
420 		for (i = 0; i < _NUM_FLD; i++) {
421 			errno = 0;
422 			int_fld[i] = strtoul(str_fld[i], &end, 0);
423 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
424 				return -1;
425 		}
426 		port_id = (portid_t)int_fld[FLD_PORT];
427 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
428 			port_id == (portid_t)RTE_PORT_ALL) {
429 			print_valid_ports();
430 			return -1;
431 		}
432 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
433 		if (new_socket_id(socket_id)) {
434 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
435 				print_invalid_socket_id_error();
436 				return -1;
437 			}
438 			socket_ids[num_sockets++] = socket_id;
439 		}
440 		port_numa[port_id] = socket_id;
441 	}
442 
443 	return 0;
444 }
445 
446 static int
447 parse_ringnuma_config(const char *q_arg)
448 {
449 	char s[256];
450 	const char *p, *p0 = q_arg;
451 	char *end;
452 	uint8_t i, ring_flag, socket_id;
453 	portid_t port_id;
454 	unsigned size;
455 	enum fieldnames {
456 		FLD_PORT = 0,
457 		FLD_FLAG,
458 		FLD_SOCKET,
459 		_NUM_FLD
460 	};
461 	unsigned long int_fld[_NUM_FLD];
462 	char *str_fld[_NUM_FLD];
463 	#define RX_RING_ONLY 0x1
464 	#define TX_RING_ONLY 0x2
465 	#define RXTX_RING    0x3
466 
467 	/* reset from value set at definition */
468 	while ((p = strchr(p0,'(')) != NULL) {
469 		++p;
470 		if((p0 = strchr(p,')')) == NULL)
471 			return -1;
472 
473 		size = p0 - p;
474 		if(size >= sizeof(s))
475 			return -1;
476 
477 		snprintf(s, sizeof(s), "%.*s", size, p);
478 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
479 			return -1;
480 		for (i = 0; i < _NUM_FLD; i++) {
481 			errno = 0;
482 			int_fld[i] = strtoul(str_fld[i], &end, 0);
483 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
484 				return -1;
485 		}
486 		port_id = (portid_t)int_fld[FLD_PORT];
487 		if (port_id_is_invalid(port_id, ENABLED_WARN) ||
488 			port_id == (portid_t)RTE_PORT_ALL) {
489 			print_valid_ports();
490 			return -1;
491 		}
492 		socket_id = (uint8_t)int_fld[FLD_SOCKET];
493 		if (new_socket_id(socket_id)) {
494 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
495 				print_invalid_socket_id_error();
496 				return -1;
497 			}
498 			socket_ids[num_sockets++] = socket_id;
499 		}
500 		ring_flag = (uint8_t)int_fld[FLD_FLAG];
501 		if ((ring_flag < RX_RING_ONLY) || (ring_flag > RXTX_RING)) {
502 			printf("Invalid ring-flag=%d config for port =%d\n",
503 				ring_flag,port_id);
504 			return -1;
505 		}
506 
507 		switch (ring_flag & RXTX_RING) {
508 		case RX_RING_ONLY:
509 			rxring_numa[port_id] = socket_id;
510 			break;
511 		case TX_RING_ONLY:
512 			txring_numa[port_id] = socket_id;
513 			break;
514 		case RXTX_RING:
515 			rxring_numa[port_id] = socket_id;
516 			txring_numa[port_id] = socket_id;
517 			break;
518 		default:
519 			printf("Invalid ring-flag=%d config for port=%d\n",
520 				ring_flag,port_id);
521 			break;
522 		}
523 	}
524 
525 	return 0;
526 }
527 
528 static int
529 parse_event_printing_config(const char *optarg, int enable)
530 {
531 	uint32_t mask = 0;
532 
533 	if (!strcmp(optarg, "unknown"))
534 		mask = UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN;
535 	else if (!strcmp(optarg, "intr_lsc"))
536 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC;
537 	else if (!strcmp(optarg, "queue_state"))
538 		mask = UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE;
539 	else if (!strcmp(optarg, "intr_reset"))
540 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET;
541 	else if (!strcmp(optarg, "vf_mbox"))
542 		mask = UINT32_C(1) << RTE_ETH_EVENT_VF_MBOX;
543 	else if (!strcmp(optarg, "ipsec"))
544 		mask = UINT32_C(1) << RTE_ETH_EVENT_IPSEC;
545 	else if (!strcmp(optarg, "macsec"))
546 		mask = UINT32_C(1) << RTE_ETH_EVENT_MACSEC;
547 	else if (!strcmp(optarg, "intr_rmv"))
548 		mask = UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV;
549 	else if (!strcmp(optarg, "dev_probed"))
550 		mask = UINT32_C(1) << RTE_ETH_EVENT_NEW;
551 	else if (!strcmp(optarg, "dev_released"))
552 		mask = UINT32_C(1) << RTE_ETH_EVENT_DESTROY;
553 	else if (!strcmp(optarg, "flow_aged"))
554 		mask = UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED;
555 	else if (!strcmp(optarg, "all"))
556 		mask = ~UINT32_C(0);
557 	else {
558 		fprintf(stderr, "Invalid event: %s\n", optarg);
559 		return -1;
560 	}
561 	if (enable)
562 		event_print_mask |= mask;
563 	else
564 		event_print_mask &= ~mask;
565 	return 0;
566 }
567 
568 void
569 launch_args_parse(int argc, char** argv)
570 {
571 	int n, opt;
572 	char **argvopt;
573 	int opt_idx;
574 	portid_t pid;
575 	enum { TX, RX };
576 	/* Default offloads for all ports. */
577 	uint64_t rx_offloads = rx_mode.offloads;
578 	uint64_t tx_offloads = tx_mode.offloads;
579 	struct rte_eth_dev_info dev_info;
580 	uint16_t rec_nb_pkts;
581 	int ret;
582 
583 	static struct option lgopts[] = {
584 		{ "help",			0, 0, 0 },
585 #ifdef RTE_LIBRTE_CMDLINE
586 		{ "interactive",		0, 0, 0 },
587 		{ "cmdline-file",		1, 0, 0 },
588 		{ "auto-start",			0, 0, 0 },
589 		{ "eth-peers-configfile",	1, 0, 0 },
590 		{ "eth-peer",			1, 0, 0 },
591 #endif
592 		{ "tx-first",			0, 0, 0 },
593 		{ "stats-period",		1, 0, 0 },
594 		{ "ports",			1, 0, 0 },
595 		{ "nb-cores",			1, 0, 0 },
596 		{ "nb-ports",			1, 0, 0 },
597 		{ "coremask",			1, 0, 0 },
598 		{ "portmask",			1, 0, 0 },
599 		{ "portlist",			1, 0, 0 },
600 		{ "numa",			0, 0, 0 },
601 		{ "no-numa",			0, 0, 0 },
602 		{ "mp-anon",			0, 0, 0 },
603 		{ "port-numa-config",           1, 0, 0 },
604 		{ "ring-numa-config",           1, 0, 0 },
605 		{ "socket-num",			1, 0, 0 },
606 		{ "mbuf-size",			1, 0, 0 },
607 		{ "total-num-mbufs",		1, 0, 0 },
608 		{ "max-pkt-len",		1, 0, 0 },
609 		{ "max-lro-pkt-size",		1, 0, 0 },
610 		{ "pkt-filter-mode",            1, 0, 0 },
611 		{ "pkt-filter-report-hash",     1, 0, 0 },
612 		{ "pkt-filter-size",            1, 0, 0 },
613 		{ "pkt-filter-drop-queue",      1, 0, 0 },
614 #ifdef RTE_LIBRTE_LATENCY_STATS
615 		{ "latencystats",               1, 0, 0 },
616 #endif
617 #ifdef RTE_LIBRTE_BITRATE
618 		{ "bitrate-stats",              1, 0, 0 },
619 #endif
620 		{ "disable-crc-strip",          0, 0, 0 },
621 		{ "enable-lro",                 0, 0, 0 },
622 		{ "enable-rx-cksum",            0, 0, 0 },
623 		{ "enable-rx-timestamp",        0, 0, 0 },
624 		{ "enable-scatter",             0, 0, 0 },
625 		{ "enable-hw-vlan",             0, 0, 0 },
626 		{ "enable-hw-vlan-filter",      0, 0, 0 },
627 		{ "enable-hw-vlan-strip",       0, 0, 0 },
628 		{ "enable-hw-vlan-extend",      0, 0, 0 },
629 		{ "enable-hw-qinq-strip",       0, 0, 0 },
630 		{ "enable-drop-en",            0, 0, 0 },
631 		{ "disable-rss",                0, 0, 0 },
632 		{ "port-topology",              1, 0, 0 },
633 		{ "forward-mode",               1, 0, 0 },
634 		{ "rss-ip",			0, 0, 0 },
635 		{ "rss-udp",			0, 0, 0 },
636 		{ "rxq",			1, 0, 0 },
637 		{ "txq",			1, 0, 0 },
638 		{ "rxd",			1, 0, 0 },
639 		{ "txd",			1, 0, 0 },
640 		{ "hairpinq",			1, 0, 0 },
641 		{ "burst",			1, 0, 0 },
642 		{ "mbcache",			1, 0, 0 },
643 		{ "txpt",			1, 0, 0 },
644 		{ "txht",			1, 0, 0 },
645 		{ "txwt",			1, 0, 0 },
646 		{ "txfreet",			1, 0, 0 },
647 		{ "txrst",			1, 0, 0 },
648 		{ "rxpt",			1, 0, 0 },
649 		{ "rxht",			1, 0, 0 },
650 		{ "rxwt",			1, 0, 0 },
651 		{ "rxfreet",                    1, 0, 0 },
652 		{ "tx-queue-stats-mapping",	1, 0, 0 },
653 		{ "rx-queue-stats-mapping",	1, 0, 0 },
654 		{ "no-flush-rx",	0, 0, 0 },
655 		{ "flow-isolate-all",	        0, 0, 0 },
656 		{ "txpkts",			1, 0, 0 },
657 		{ "txonly-multi-flow",		0, 0, 0 },
658 		{ "disable-link-check",		0, 0, 0 },
659 		{ "disable-device-start",	0, 0, 0 },
660 		{ "no-lsc-interrupt",		0, 0, 0 },
661 		{ "no-rmv-interrupt",		0, 0, 0 },
662 		{ "print-event",		1, 0, 0 },
663 		{ "mask-event",			1, 0, 0 },
664 		{ "tx-offloads",		1, 0, 0 },
665 		{ "rx-offloads",		1, 0, 0 },
666 		{ "hot-plug",			0, 0, 0 },
667 		{ "vxlan-gpe-port",		1, 0, 0 },
668 		{ "mlockall",			0, 0, 0 },
669 		{ "no-mlockall",		0, 0, 0 },
670 		{ "mp-alloc",			1, 0, 0 },
671 		{ "tx-ip",			1, 0, 0 },
672 		{ "tx-udp",			1, 0, 0 },
673 		{ "noisy-tx-sw-buffer-size",	1, 0, 0 },
674 		{ "noisy-tx-sw-buffer-flushtime", 1, 0, 0 },
675 		{ "noisy-lkup-memory",		1, 0, 0 },
676 		{ "noisy-lkup-num-writes",	1, 0, 0 },
677 		{ "noisy-lkup-num-reads",	1, 0, 0 },
678 		{ "noisy-lkup-num-reads-writes", 1, 0, 0 },
679 		{ "no-iova-contig",             0, 0, 0 },
680 		{ "rx-mq-mode",                 1, 0, 0 },
681 		{ "record-core-cycles",         0, 0, 0 },
682 		{ 0, 0, 0, 0 },
683 	};
684 
685 	argvopt = argv;
686 
687 #ifdef RTE_LIBRTE_CMDLINE
688 #define SHORTOPTS "i"
689 #else
690 #define SHORTOPTS ""
691 #endif
692 	while ((opt = getopt_long(argc, argvopt, SHORTOPTS "ah",
693 				 lgopts, &opt_idx)) != EOF) {
694 		switch (opt) {
695 #ifdef RTE_LIBRTE_CMDLINE
696 		case 'i':
697 			printf("Interactive-mode selected\n");
698 			interactive = 1;
699 			break;
700 #endif
701 		case 'a':
702 			printf("Auto-start selected\n");
703 			auto_start = 1;
704 			break;
705 
706 		case 0: /*long options */
707 			if (!strcmp(lgopts[opt_idx].name, "help")) {
708 				usage(argv[0]);
709 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
710 			}
711 #ifdef RTE_LIBRTE_CMDLINE
712 			if (!strcmp(lgopts[opt_idx].name, "interactive")) {
713 				printf("Interactive-mode selected\n");
714 				interactive = 1;
715 			}
716 			if (!strcmp(lgopts[opt_idx].name, "cmdline-file")) {
717 				printf("CLI commands to be read from %s\n",
718 				       optarg);
719 				strlcpy(cmdline_filename, optarg,
720 					sizeof(cmdline_filename));
721 			}
722 			if (!strcmp(lgopts[opt_idx].name, "auto-start")) {
723 				printf("Auto-start selected\n");
724 				auto_start = 1;
725 			}
726 			if (!strcmp(lgopts[opt_idx].name, "tx-first")) {
727 				printf("Ports to start sending a burst of "
728 						"packets first\n");
729 				tx_first = 1;
730 			}
731 			if (!strcmp(lgopts[opt_idx].name, "stats-period")) {
732 				char *end = NULL;
733 				unsigned int n;
734 
735 				n = strtoul(optarg, &end, 10);
736 				if ((optarg[0] == '\0') || (end == NULL) ||
737 						(*end != '\0'))
738 					break;
739 
740 				stats_period = n;
741 				break;
742 			}
743 			if (!strcmp(lgopts[opt_idx].name,
744 				    "eth-peers-configfile")) {
745 				if (init_peer_eth_addrs(optarg) != 0)
746 					rte_exit(EXIT_FAILURE,
747 						 "Cannot open logfile\n");
748 			}
749 			if (!strcmp(lgopts[opt_idx].name, "eth-peer")) {
750 				char *port_end;
751 
752 				errno = 0;
753 				n = strtoul(optarg, &port_end, 10);
754 				if (errno != 0 || port_end == optarg || *port_end++ != ',')
755 					rte_exit(EXIT_FAILURE,
756 						 "Invalid eth-peer: %s", optarg);
757 				if (n >= RTE_MAX_ETHPORTS)
758 					rte_exit(EXIT_FAILURE,
759 						 "eth-peer: port %d >= RTE_MAX_ETHPORTS(%d)\n",
760 						 n, RTE_MAX_ETHPORTS);
761 
762 				if (rte_ether_unformat_addr(port_end,
763 						&peer_eth_addrs[n]) < 0)
764 					rte_exit(EXIT_FAILURE,
765 						 "Invalid ethernet address: %s\n",
766 						 port_end);
767 				nb_peer_eth_addrs++;
768 			}
769 #endif
770 			if (!strcmp(lgopts[opt_idx].name, "tx-ip")) {
771 				struct in_addr in;
772 				char *end;
773 
774 				end = strchr(optarg, ',');
775 				if (end == optarg || !end)
776 					rte_exit(EXIT_FAILURE,
777 						 "Invalid tx-ip: %s", optarg);
778 
779 				*end++ = 0;
780 				if (inet_aton(optarg, &in) == 0)
781 					rte_exit(EXIT_FAILURE,
782 						 "Invalid source IP address: %s\n",
783 						 optarg);
784 				tx_ip_src_addr = rte_be_to_cpu_32(in.s_addr);
785 
786 				if (inet_aton(end, &in) == 0)
787 					rte_exit(EXIT_FAILURE,
788 						 "Invalid destination IP address: %s\n",
789 						 optarg);
790 				tx_ip_dst_addr = rte_be_to_cpu_32(in.s_addr);
791 			}
792 			if (!strcmp(lgopts[opt_idx].name, "tx-udp")) {
793 				char *end = NULL;
794 
795 				errno = 0;
796 				n = strtoul(optarg, &end, 10);
797 				if (errno != 0 || end == optarg ||
798 				    n > UINT16_MAX ||
799 				    !(*end == '\0' || *end == ','))
800 					rte_exit(EXIT_FAILURE,
801 						 "Invalid UDP port: %s\n",
802 						 optarg);
803 				tx_udp_src_port = n;
804 				if (*end == ',') {
805 					char *dst = end + 1;
806 
807 					n = strtoul(dst, &end, 10);
808 					if (errno != 0 || end == dst ||
809 					    n > UINT16_MAX || *end)
810 						rte_exit(EXIT_FAILURE,
811 							 "Invalid destination UDP port: %s\n",
812 							 dst);
813 					tx_udp_dst_port = n;
814 				} else {
815 					tx_udp_dst_port = n;
816 				}
817 
818 			}
819 			if (!strcmp(lgopts[opt_idx].name, "nb-ports")) {
820 				n = atoi(optarg);
821 				if (n > 0 && n <= nb_ports)
822 					nb_fwd_ports = n;
823 				else
824 					rte_exit(EXIT_FAILURE,
825 						 "Invalid port %d\n", n);
826 			}
827 			if (!strcmp(lgopts[opt_idx].name, "nb-cores")) {
828 				n = atoi(optarg);
829 				if (n > 0 && n <= nb_lcores)
830 					nb_fwd_lcores = (uint8_t) n;
831 				else
832 					rte_exit(EXIT_FAILURE,
833 						 "nb-cores should be > 0 and <= %d\n",
834 						 nb_lcores);
835 			}
836 			if (!strcmp(lgopts[opt_idx].name, "coremask"))
837 				parse_fwd_coremask(optarg);
838 			if (!strcmp(lgopts[opt_idx].name, "portmask"))
839 				parse_fwd_portmask(optarg);
840 			if (!strcmp(lgopts[opt_idx].name, "portlist"))
841 				parse_fwd_portlist(optarg);
842 			if (!strcmp(lgopts[opt_idx].name, "no-numa"))
843 				numa_support = 0;
844 			if (!strcmp(lgopts[opt_idx].name, "numa"))
845 				numa_support = 1;
846 			if (!strcmp(lgopts[opt_idx].name, "mp-anon")) {
847 				mp_alloc_type = MP_ALLOC_ANON;
848 			}
849 			if (!strcmp(lgopts[opt_idx].name, "mp-alloc")) {
850 				if (!strcmp(optarg, "native"))
851 					mp_alloc_type = MP_ALLOC_NATIVE;
852 				else if (!strcmp(optarg, "anon"))
853 					mp_alloc_type = MP_ALLOC_ANON;
854 				else if (!strcmp(optarg, "xmem"))
855 					mp_alloc_type = MP_ALLOC_XMEM;
856 				else if (!strcmp(optarg, "xmemhuge"))
857 					mp_alloc_type = MP_ALLOC_XMEM_HUGE;
858 				else if (!strcmp(optarg, "xbuf"))
859 					mp_alloc_type = MP_ALLOC_XBUF;
860 				else
861 					rte_exit(EXIT_FAILURE,
862 						"mp-alloc %s invalid - must be: "
863 						"native, anon, xmem or xmemhuge\n",
864 						 optarg);
865 			}
866 			if (!strcmp(lgopts[opt_idx].name, "port-numa-config")) {
867 				if (parse_portnuma_config(optarg))
868 					rte_exit(EXIT_FAILURE,
869 					   "invalid port-numa configuration\n");
870 			}
871 			if (!strcmp(lgopts[opt_idx].name, "ring-numa-config"))
872 				if (parse_ringnuma_config(optarg))
873 					rte_exit(EXIT_FAILURE,
874 					   "invalid ring-numa configuration\n");
875 			if (!strcmp(lgopts[opt_idx].name, "socket-num")) {
876 				n = atoi(optarg);
877 				if (!new_socket_id((uint8_t)n)) {
878 					socket_num = (uint8_t)n;
879 				} else {
880 					print_invalid_socket_id_error();
881 					rte_exit(EXIT_FAILURE,
882 						"Invalid socket id");
883 				}
884 			}
885 			if (!strcmp(lgopts[opt_idx].name, "mbuf-size")) {
886 				n = atoi(optarg);
887 				if (n > 0 && n <= 0xFFFF)
888 					mbuf_data_size = (uint16_t) n;
889 				else
890 					rte_exit(EXIT_FAILURE,
891 						 "mbuf-size should be > 0 and < 65536\n");
892 			}
893 			if (!strcmp(lgopts[opt_idx].name, "total-num-mbufs")) {
894 				n = atoi(optarg);
895 				if (n > 1024)
896 					param_total_num_mbufs = (unsigned)n;
897 				else
898 					rte_exit(EXIT_FAILURE,
899 						 "total-num-mbufs should be > 1024\n");
900 			}
901 			if (!strcmp(lgopts[opt_idx].name, "max-pkt-len")) {
902 				n = atoi(optarg);
903 				if (n >= RTE_ETHER_MIN_LEN) {
904 					rx_mode.max_rx_pkt_len = (uint32_t) n;
905 					if (n > RTE_ETHER_MAX_LEN)
906 						rx_offloads |=
907 							DEV_RX_OFFLOAD_JUMBO_FRAME;
908 				} else
909 					rte_exit(EXIT_FAILURE,
910 						 "Invalid max-pkt-len=%d - should be > %d\n",
911 						 n, RTE_ETHER_MIN_LEN);
912 			}
913 			if (!strcmp(lgopts[opt_idx].name, "max-lro-pkt-size")) {
914 				n = atoi(optarg);
915 				rx_mode.max_lro_pkt_size = (uint32_t) n;
916 			}
917 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-mode")) {
918 				if (!strcmp(optarg, "signature"))
919 					fdir_conf.mode =
920 						RTE_FDIR_MODE_SIGNATURE;
921 				else if (!strcmp(optarg, "perfect"))
922 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
923 				else if (!strcmp(optarg, "perfect-mac-vlan"))
924 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_MAC_VLAN;
925 				else if (!strcmp(optarg, "perfect-tunnel"))
926 					fdir_conf.mode = RTE_FDIR_MODE_PERFECT_TUNNEL;
927 				else if (!strcmp(optarg, "none"))
928 					fdir_conf.mode = RTE_FDIR_MODE_NONE;
929 				else
930 					rte_exit(EXIT_FAILURE,
931 						 "pkt-mode-invalid %s invalid - must be: "
932 						 "none, signature, perfect, perfect-mac-vlan"
933 						 " or perfect-tunnel\n",
934 						 optarg);
935 			}
936 			if (!strcmp(lgopts[opt_idx].name,
937 				    "pkt-filter-report-hash")) {
938 				if (!strcmp(optarg, "none"))
939 					fdir_conf.status =
940 						RTE_FDIR_NO_REPORT_STATUS;
941 				else if (!strcmp(optarg, "match"))
942 					fdir_conf.status =
943 						RTE_FDIR_REPORT_STATUS;
944 				else if (!strcmp(optarg, "always"))
945 					fdir_conf.status =
946 						RTE_FDIR_REPORT_STATUS_ALWAYS;
947 				else
948 					rte_exit(EXIT_FAILURE,
949 						 "pkt-filter-report-hash %s invalid "
950 						 "- must be: none or match or always\n",
951 						 optarg);
952 			}
953 			if (!strcmp(lgopts[opt_idx].name, "pkt-filter-size")) {
954 				if (!strcmp(optarg, "64K"))
955 					fdir_conf.pballoc =
956 						RTE_FDIR_PBALLOC_64K;
957 				else if (!strcmp(optarg, "128K"))
958 					fdir_conf.pballoc =
959 						RTE_FDIR_PBALLOC_128K;
960 				else if (!strcmp(optarg, "256K"))
961 					fdir_conf.pballoc =
962 						RTE_FDIR_PBALLOC_256K;
963 				else
964 					rte_exit(EXIT_FAILURE, "pkt-filter-size %s invalid -"
965 						 " must be: 64K or 128K or 256K\n",
966 						 optarg);
967 			}
968 			if (!strcmp(lgopts[opt_idx].name,
969 				    "pkt-filter-drop-queue")) {
970 				n = atoi(optarg);
971 				if (n >= 0)
972 					fdir_conf.drop_queue = (uint8_t) n;
973 				else
974 					rte_exit(EXIT_FAILURE,
975 						 "drop queue %d invalid - must"
976 						 "be >= 0 \n", n);
977 			}
978 #ifdef RTE_LIBRTE_LATENCY_STATS
979 			if (!strcmp(lgopts[opt_idx].name,
980 				    "latencystats")) {
981 				n = atoi(optarg);
982 				if (n >= 0) {
983 					latencystats_lcore_id = (lcoreid_t) n;
984 					latencystats_enabled = 1;
985 				} else
986 					rte_exit(EXIT_FAILURE,
987 						 "invalid lcore id %d for latencystats"
988 						 " must be >= 0\n", n);
989 			}
990 #endif
991 #ifdef RTE_LIBRTE_BITRATE
992 			if (!strcmp(lgopts[opt_idx].name, "bitrate-stats")) {
993 				n = atoi(optarg);
994 				if (n >= 0) {
995 					bitrate_lcore_id = (lcoreid_t) n;
996 					bitrate_enabled = 1;
997 				} else
998 					rte_exit(EXIT_FAILURE,
999 						 "invalid lcore id %d for bitrate stats"
1000 						 " must be >= 0\n", n);
1001 			}
1002 #endif
1003 			if (!strcmp(lgopts[opt_idx].name, "disable-crc-strip"))
1004 				rx_offloads |= DEV_RX_OFFLOAD_KEEP_CRC;
1005 			if (!strcmp(lgopts[opt_idx].name, "enable-lro"))
1006 				rx_offloads |= DEV_RX_OFFLOAD_TCP_LRO;
1007 			if (!strcmp(lgopts[opt_idx].name, "enable-scatter"))
1008 				rx_offloads |= DEV_RX_OFFLOAD_SCATTER;
1009 			if (!strcmp(lgopts[opt_idx].name, "enable-rx-cksum"))
1010 				rx_offloads |= DEV_RX_OFFLOAD_CHECKSUM;
1011 			if (!strcmp(lgopts[opt_idx].name,
1012 					"enable-rx-timestamp"))
1013 				rx_offloads |= DEV_RX_OFFLOAD_TIMESTAMP;
1014 			if (!strcmp(lgopts[opt_idx].name, "enable-hw-vlan"))
1015 				rx_offloads |= DEV_RX_OFFLOAD_VLAN;
1016 
1017 			if (!strcmp(lgopts[opt_idx].name,
1018 					"enable-hw-vlan-filter"))
1019 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
1020 
1021 			if (!strcmp(lgopts[opt_idx].name,
1022 					"enable-hw-vlan-strip"))
1023 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_STRIP;
1024 
1025 			if (!strcmp(lgopts[opt_idx].name,
1026 					"enable-hw-vlan-extend"))
1027 				rx_offloads |= DEV_RX_OFFLOAD_VLAN_EXTEND;
1028 
1029 			if (!strcmp(lgopts[opt_idx].name,
1030 					"enable-hw-qinq-strip"))
1031 				rx_offloads |= DEV_RX_OFFLOAD_QINQ_STRIP;
1032 
1033 			if (!strcmp(lgopts[opt_idx].name, "enable-drop-en"))
1034 				rx_drop_en = 1;
1035 
1036 			if (!strcmp(lgopts[opt_idx].name, "disable-rss"))
1037 				rss_hf = 0;
1038 			if (!strcmp(lgopts[opt_idx].name, "port-topology")) {
1039 				if (!strcmp(optarg, "paired"))
1040 					port_topology = PORT_TOPOLOGY_PAIRED;
1041 				else if (!strcmp(optarg, "chained"))
1042 					port_topology = PORT_TOPOLOGY_CHAINED;
1043 				else if (!strcmp(optarg, "loop"))
1044 					port_topology = PORT_TOPOLOGY_LOOP;
1045 				else
1046 					rte_exit(EXIT_FAILURE, "port-topology %s invalid -"
1047 						 " must be: paired, chained or loop\n",
1048 						 optarg);
1049 			}
1050 			if (!strcmp(lgopts[opt_idx].name, "forward-mode"))
1051 				set_pkt_forwarding_mode(optarg);
1052 			if (!strcmp(lgopts[opt_idx].name, "rss-ip"))
1053 				rss_hf = ETH_RSS_IP;
1054 			if (!strcmp(lgopts[opt_idx].name, "rss-udp"))
1055 				rss_hf = ETH_RSS_UDP;
1056 			if (!strcmp(lgopts[opt_idx].name, "rxq")) {
1057 				n = atoi(optarg);
1058 				if (n >= 0 && check_nb_rxq((queueid_t)n) == 0)
1059 					nb_rxq = (queueid_t) n;
1060 				else
1061 					rte_exit(EXIT_FAILURE, "rxq %d invalid - must be"
1062 						  " >= 0 && <= %u\n", n,
1063 						  get_allowed_max_nb_rxq(&pid));
1064 			}
1065 			if (!strcmp(lgopts[opt_idx].name, "txq")) {
1066 				n = atoi(optarg);
1067 				if (n >= 0 && check_nb_txq((queueid_t)n) == 0)
1068 					nb_txq = (queueid_t) n;
1069 				else
1070 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1071 						  " >= 0 && <= %u\n", n,
1072 						  get_allowed_max_nb_txq(&pid));
1073 			}
1074 			if (!strcmp(lgopts[opt_idx].name, "hairpinq")) {
1075 				n = atoi(optarg);
1076 				if (n >= 0 &&
1077 				    check_nb_hairpinq((queueid_t)n) == 0)
1078 					nb_hairpinq = (queueid_t) n;
1079 				else
1080 					rte_exit(EXIT_FAILURE, "txq %d invalid - must be"
1081 						  " >= 0 && <= %u\n", n,
1082 						  get_allowed_max_nb_hairpinq
1083 						  (&pid));
1084 				if ((n + nb_txq) < 0 ||
1085 				    check_nb_txq((queueid_t)(n + nb_txq)) != 0)
1086 					rte_exit(EXIT_FAILURE, "txq + hairpinq "
1087 						 "%d invalid - must be"
1088 						  " >= 0 && <= %u\n",
1089 						  n + nb_txq,
1090 						  get_allowed_max_nb_txq(&pid));
1091 				if ((n + nb_rxq) < 0 ||
1092 				    check_nb_rxq((queueid_t)(n + nb_rxq)) != 0)
1093 					rte_exit(EXIT_FAILURE, "rxq + hairpinq "
1094 						 "%d invalid - must be"
1095 						  " >= 0 && <= %u\n",
1096 						  n + nb_rxq,
1097 						  get_allowed_max_nb_rxq(&pid));
1098 			}
1099 			if (!nb_rxq && !nb_txq) {
1100 				rte_exit(EXIT_FAILURE, "Either rx or tx queues should "
1101 						"be non-zero\n");
1102 			}
1103 			if (!strcmp(lgopts[opt_idx].name, "burst")) {
1104 				n = atoi(optarg);
1105 				if (n == 0) {
1106 					/* A burst size of zero means that the
1107 					 * PMD should be queried for
1108 					 * recommended Rx burst size. Since
1109 					 * testpmd uses a single size for all
1110 					 * ports, port 0 is queried for the
1111 					 * value, on the assumption that all
1112 					 * ports are of the same NIC model.
1113 					 */
1114 					ret = eth_dev_info_get_print_err(
1115 								0,
1116 								&dev_info);
1117 					if (ret != 0)
1118 						return;
1119 
1120 					rec_nb_pkts = dev_info
1121 						.default_rxportconf.burst_size;
1122 
1123 					if (rec_nb_pkts == 0)
1124 						rte_exit(EXIT_FAILURE,
1125 							"PMD does not recommend a burst size. "
1126 							"Provided value must be between "
1127 							"1 and %d\n", MAX_PKT_BURST);
1128 					else if (rec_nb_pkts > MAX_PKT_BURST)
1129 						rte_exit(EXIT_FAILURE,
1130 							"PMD recommended burst size of %d"
1131 							" exceeds maximum value of %d\n",
1132 							rec_nb_pkts, MAX_PKT_BURST);
1133 					printf("Using PMD-provided burst value of %d\n",
1134 						rec_nb_pkts);
1135 					nb_pkt_per_burst = rec_nb_pkts;
1136 				} else if (n > MAX_PKT_BURST)
1137 					rte_exit(EXIT_FAILURE,
1138 						"burst must be between1 and %d\n",
1139 						MAX_PKT_BURST);
1140 				else
1141 					nb_pkt_per_burst = (uint16_t) n;
1142 			}
1143 			if (!strcmp(lgopts[opt_idx].name, "mbcache")) {
1144 				n = atoi(optarg);
1145 				if ((n >= 0) &&
1146 				    (n <= RTE_MEMPOOL_CACHE_MAX_SIZE))
1147 					mb_mempool_cache = (uint16_t) n;
1148 				else
1149 					rte_exit(EXIT_FAILURE,
1150 						 "mbcache must be >= 0 and <= %d\n",
1151 						 RTE_MEMPOOL_CACHE_MAX_SIZE);
1152 			}
1153 			if (!strcmp(lgopts[opt_idx].name, "txfreet")) {
1154 				n = atoi(optarg);
1155 				if (n >= 0)
1156 					tx_free_thresh = (int16_t)n;
1157 				else
1158 					rte_exit(EXIT_FAILURE, "txfreet must be >= 0\n");
1159 			}
1160 			if (!strcmp(lgopts[opt_idx].name, "txrst")) {
1161 				n = atoi(optarg);
1162 				if (n >= 0)
1163 					tx_rs_thresh = (int16_t)n;
1164 				else
1165 					rte_exit(EXIT_FAILURE, "txrst must be >= 0\n");
1166 			}
1167 			if (!strcmp(lgopts[opt_idx].name, "rxd")) {
1168 				n = atoi(optarg);
1169 				if (n > 0) {
1170 					if (rx_free_thresh >= n)
1171 						rte_exit(EXIT_FAILURE,
1172 							 "rxd must be > "
1173 							 "rx_free_thresh(%d)\n",
1174 							 (int)rx_free_thresh);
1175 					else
1176 						nb_rxd = (uint16_t) n;
1177 				} else
1178 					rte_exit(EXIT_FAILURE,
1179 						 "rxd(%d) invalid - must be > 0\n",
1180 						 n);
1181 			}
1182 			if (!strcmp(lgopts[opt_idx].name, "txd")) {
1183 				n = atoi(optarg);
1184 				if (n > 0)
1185 					nb_txd = (uint16_t) n;
1186 				else
1187 					rte_exit(EXIT_FAILURE, "txd must be in > 0\n");
1188 			}
1189 			if (!strcmp(lgopts[opt_idx].name, "txpt")) {
1190 				n = atoi(optarg);
1191 				if (n >= 0)
1192 					tx_pthresh = (int8_t)n;
1193 				else
1194 					rte_exit(EXIT_FAILURE, "txpt must be >= 0\n");
1195 			}
1196 			if (!strcmp(lgopts[opt_idx].name, "txht")) {
1197 				n = atoi(optarg);
1198 				if (n >= 0)
1199 					tx_hthresh = (int8_t)n;
1200 				else
1201 					rte_exit(EXIT_FAILURE, "txht must be >= 0\n");
1202 			}
1203 			if (!strcmp(lgopts[opt_idx].name, "txwt")) {
1204 				n = atoi(optarg);
1205 				if (n >= 0)
1206 					tx_wthresh = (int8_t)n;
1207 				else
1208 					rte_exit(EXIT_FAILURE, "txwt must be >= 0\n");
1209 			}
1210 			if (!strcmp(lgopts[opt_idx].name, "rxpt")) {
1211 				n = atoi(optarg);
1212 				if (n >= 0)
1213 					rx_pthresh = (int8_t)n;
1214 				else
1215 					rte_exit(EXIT_FAILURE, "rxpt must be >= 0\n");
1216 			}
1217 			if (!strcmp(lgopts[opt_idx].name, "rxht")) {
1218 				n = atoi(optarg);
1219 				if (n >= 0)
1220 					rx_hthresh = (int8_t)n;
1221 				else
1222 					rte_exit(EXIT_FAILURE, "rxht must be >= 0\n");
1223 			}
1224 			if (!strcmp(lgopts[opt_idx].name, "rxwt")) {
1225 				n = atoi(optarg);
1226 				if (n >= 0)
1227 					rx_wthresh = (int8_t)n;
1228 				else
1229 					rte_exit(EXIT_FAILURE, "rxwt must be >= 0\n");
1230 			}
1231 			if (!strcmp(lgopts[opt_idx].name, "rxfreet")) {
1232 				n = atoi(optarg);
1233 				if (n >= 0)
1234 					rx_free_thresh = (int16_t)n;
1235 				else
1236 					rte_exit(EXIT_FAILURE, "rxfreet must be >= 0\n");
1237 			}
1238 			if (!strcmp(lgopts[opt_idx].name, "tx-queue-stats-mapping")) {
1239 				if (parse_queue_stats_mapping_config(optarg, TX)) {
1240 					rte_exit(EXIT_FAILURE,
1241 						 "invalid TX queue statistics mapping config entered\n");
1242 				}
1243 			}
1244 			if (!strcmp(lgopts[opt_idx].name, "rx-queue-stats-mapping")) {
1245 				if (parse_queue_stats_mapping_config(optarg, RX)) {
1246 					rte_exit(EXIT_FAILURE,
1247 						 "invalid RX queue statistics mapping config entered\n");
1248 				}
1249 			}
1250 			if (!strcmp(lgopts[opt_idx].name, "txpkts")) {
1251 				unsigned seg_lengths[RTE_MAX_SEGS_PER_PKT];
1252 				unsigned int nb_segs;
1253 
1254 				nb_segs = parse_item_list(optarg, "txpkt segments",
1255 						RTE_MAX_SEGS_PER_PKT, seg_lengths, 0);
1256 				if (nb_segs > 0)
1257 					set_tx_pkt_segments(seg_lengths, nb_segs);
1258 				else
1259 					rte_exit(EXIT_FAILURE, "bad txpkts\n");
1260 			}
1261 			if (!strcmp(lgopts[opt_idx].name, "txonly-multi-flow"))
1262 				txonly_multi_flow = 1;
1263 			if (!strcmp(lgopts[opt_idx].name, "no-flush-rx"))
1264 				no_flush_rx = 1;
1265 			if (!strcmp(lgopts[opt_idx].name, "disable-link-check"))
1266 				no_link_check = 1;
1267 			if (!strcmp(lgopts[opt_idx].name, "disable-device-start"))
1268 				no_device_start = 1;
1269 			if (!strcmp(lgopts[opt_idx].name, "no-lsc-interrupt"))
1270 				lsc_interrupt = 0;
1271 			if (!strcmp(lgopts[opt_idx].name, "no-rmv-interrupt"))
1272 				rmv_interrupt = 0;
1273 			if (!strcmp(lgopts[opt_idx].name, "flow-isolate-all"))
1274 				flow_isolate_all = 1;
1275 			if (!strcmp(lgopts[opt_idx].name, "tx-offloads")) {
1276 				char *end = NULL;
1277 				n = strtoull(optarg, &end, 16);
1278 				if (n >= 0)
1279 					tx_offloads = (uint64_t)n;
1280 				else
1281 					rte_exit(EXIT_FAILURE,
1282 						 "tx-offloads must be >= 0\n");
1283 			}
1284 
1285 			if (!strcmp(lgopts[opt_idx].name, "rx-offloads")) {
1286 				char *end = NULL;
1287 				n = strtoull(optarg, &end, 16);
1288 				if (n >= 0)
1289 					rx_offloads = (uint64_t)n;
1290 				else
1291 					rte_exit(EXIT_FAILURE,
1292 						 "rx-offloads must be >= 0\n");
1293 			}
1294 
1295 			if (!strcmp(lgopts[opt_idx].name, "vxlan-gpe-port")) {
1296 				n = atoi(optarg);
1297 				if (n >= 0)
1298 					vxlan_gpe_udp_port = (uint16_t)n;
1299 				else
1300 					rte_exit(EXIT_FAILURE,
1301 						 "vxlan-gpe-port must be >= 0\n");
1302 			}
1303 			if (!strcmp(lgopts[opt_idx].name, "print-event"))
1304 				if (parse_event_printing_config(optarg, 1)) {
1305 					rte_exit(EXIT_FAILURE,
1306 						 "invalid print-event argument\n");
1307 				}
1308 			if (!strcmp(lgopts[opt_idx].name, "mask-event"))
1309 				if (parse_event_printing_config(optarg, 0)) {
1310 					rte_exit(EXIT_FAILURE,
1311 						 "invalid mask-event argument\n");
1312 				}
1313 			if (!strcmp(lgopts[opt_idx].name, "hot-plug"))
1314 				hot_plug = 1;
1315 			if (!strcmp(lgopts[opt_idx].name, "mlockall"))
1316 				do_mlockall = 1;
1317 			if (!strcmp(lgopts[opt_idx].name, "no-mlockall"))
1318 				do_mlockall = 0;
1319 			if (!strcmp(lgopts[opt_idx].name,
1320 				    "noisy-tx-sw-buffer-size")) {
1321 				n = atoi(optarg);
1322 				if (n >= 0)
1323 					noisy_tx_sw_bufsz = n;
1324 				else
1325 					rte_exit(EXIT_FAILURE,
1326 						"noisy-tx-sw-buffer-size must be >= 0\n");
1327 			}
1328 			if (!strcmp(lgopts[opt_idx].name,
1329 				    "noisy-tx-sw-buffer-flushtime")) {
1330 				n = atoi(optarg);
1331 				if (n >= 0)
1332 					noisy_tx_sw_buf_flush_time = n;
1333 				else
1334 					rte_exit(EXIT_FAILURE,
1335 						 "noisy-tx-sw-buffer-flushtime must be >= 0\n");
1336 			}
1337 			if (!strcmp(lgopts[opt_idx].name,
1338 				    "noisy-lkup-memory")) {
1339 				n = atoi(optarg);
1340 				if (n >= 0)
1341 					noisy_lkup_mem_sz = n;
1342 				else
1343 					rte_exit(EXIT_FAILURE,
1344 						 "noisy-lkup-memory must be >= 0\n");
1345 			}
1346 			if (!strcmp(lgopts[opt_idx].name,
1347 				    "noisy-lkup-num-writes")) {
1348 				n = atoi(optarg);
1349 				if (n >= 0)
1350 					noisy_lkup_num_writes = n;
1351 				else
1352 					rte_exit(EXIT_FAILURE,
1353 						 "noisy-lkup-num-writes must be >= 0\n");
1354 			}
1355 			if (!strcmp(lgopts[opt_idx].name,
1356 				    "noisy-lkup-num-reads")) {
1357 				n = atoi(optarg);
1358 				if (n >= 0)
1359 					noisy_lkup_num_reads = n;
1360 				else
1361 					rte_exit(EXIT_FAILURE,
1362 						 "noisy-lkup-num-reads must be >= 0\n");
1363 			}
1364 			if (!strcmp(lgopts[opt_idx].name,
1365 				    "noisy-lkup-num-reads-writes")) {
1366 				n = atoi(optarg);
1367 				if (n >= 0)
1368 					noisy_lkup_num_reads_writes = n;
1369 				else
1370 					rte_exit(EXIT_FAILURE,
1371 						 "noisy-lkup-num-reads-writes must be >= 0\n");
1372 			}
1373 			if (!strcmp(lgopts[opt_idx].name, "no-iova-contig"))
1374 				mempool_flags = MEMPOOL_F_NO_IOVA_CONTIG;
1375 
1376 			if (!strcmp(lgopts[opt_idx].name, "rx-mq-mode")) {
1377 				char *end = NULL;
1378 				n = strtoul(optarg, &end, 16);
1379 				if (n >= 0 && n <= ETH_MQ_RX_VMDQ_DCB_RSS)
1380 					rx_mq_mode = (enum rte_eth_rx_mq_mode)n;
1381 				else
1382 					rte_exit(EXIT_FAILURE,
1383 						 "rx-mq-mode must be >= 0 and <= %d\n",
1384 						 ETH_MQ_RX_VMDQ_DCB_RSS);
1385 			}
1386 			if (!strcmp(lgopts[opt_idx].name, "record-core-cycles"))
1387 				record_core_cycles = 1;
1388 			break;
1389 		case 'h':
1390 			usage(argv[0]);
1391 			rte_exit(EXIT_SUCCESS, "Displayed help\n");
1392 			break;
1393 		default:
1394 			usage(argv[0]);
1395 			printf("Invalid option: %s\n", argv[optind]);
1396 			rte_exit(EXIT_FAILURE,
1397 				 "Command line is incomplete or incorrect\n");
1398 			break;
1399 		}
1400 	}
1401 
1402 	if (optind != argc) {
1403 		usage(argv[0]);
1404 		printf("Invalid parameter: %s\n", argv[optind]);
1405 		rte_exit(EXIT_FAILURE, "Command line is incorrect\n");
1406 	}
1407 
1408 	/* Set offload configuration from command line parameters. */
1409 	rx_mode.offloads = rx_offloads;
1410 	tx_mode.offloads = tx_offloads;
1411 
1412 	if (mempool_flags & MEMPOOL_F_NO_IOVA_CONTIG &&
1413 	    mp_alloc_type != MP_ALLOC_ANON) {
1414 		TESTPMD_LOG(WARNING, "cannot use no-iova-contig without "
1415 				  "mp-alloc=anon. mempool no-iova-contig is "
1416 				  "ignored\n");
1417 		mempool_flags = 0;
1418 	}
1419 }
1420