xref: /dpdk/app/test-pmd/testpmd.c (revision 08dcd187068666c96e8a16604a1c96160ed310e9)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4 
5 #include <stdarg.h>
6 #include <stdio.h>
7 #include <stdlib.h>
8 #include <signal.h>
9 #include <string.h>
10 #include <time.h>
11 #include <fcntl.h>
12 #include <sys/mman.h>
13 #include <sys/types.h>
14 #include <errno.h>
15 #include <stdbool.h>
16 
17 #include <sys/queue.h>
18 #include <sys/stat.h>
19 
20 #include <stdint.h>
21 #include <unistd.h>
22 #include <inttypes.h>
23 
24 #include <rte_common.h>
25 #include <rte_errno.h>
26 #include <rte_byteorder.h>
27 #include <rte_log.h>
28 #include <rte_debug.h>
29 #include <rte_cycles.h>
30 #include <rte_memory.h>
31 #include <rte_memcpy.h>
32 #include <rte_launch.h>
33 #include <rte_eal.h>
34 #include <rte_alarm.h>
35 #include <rte_per_lcore.h>
36 #include <rte_lcore.h>
37 #include <rte_atomic.h>
38 #include <rte_branch_prediction.h>
39 #include <rte_mempool.h>
40 #include <rte_malloc.h>
41 #include <rte_mbuf.h>
42 #include <rte_mbuf_pool_ops.h>
43 #include <rte_interrupts.h>
44 #include <rte_pci.h>
45 #include <rte_ether.h>
46 #include <rte_ethdev.h>
47 #include <rte_dev.h>
48 #include <rte_string_fns.h>
49 #ifdef RTE_NET_IXGBE
50 #include <rte_pmd_ixgbe.h>
51 #endif
52 #ifdef RTE_LIB_PDUMP
53 #include <rte_pdump.h>
54 #endif
55 #include <rte_flow.h>
56 #include <rte_metrics.h>
57 #ifdef RTE_LIB_BITRATESTATS
58 #include <rte_bitrate.h>
59 #endif
60 #ifdef RTE_LIB_LATENCYSTATS
61 #include <rte_latencystats.h>
62 #endif
63 
64 #include "testpmd.h"
65 
66 #ifndef MAP_HUGETLB
67 /* FreeBSD may not have MAP_HUGETLB (in fact, it probably doesn't) */
68 #define HUGE_FLAG (0x40000)
69 #else
70 #define HUGE_FLAG MAP_HUGETLB
71 #endif
72 
73 #ifndef MAP_HUGE_SHIFT
74 /* older kernels (or FreeBSD) will not have this define */
75 #define HUGE_SHIFT (26)
76 #else
77 #define HUGE_SHIFT MAP_HUGE_SHIFT
78 #endif
79 
80 #define EXTMEM_HEAP_NAME "extmem"
81 #define EXTBUF_ZONE_SIZE RTE_PGSIZE_2M
82 
83 uint16_t verbose_level = 0; /**< Silent by default. */
84 int testpmd_logtype; /**< Log type for testpmd logs */
85 
86 /* use main core for command line ? */
87 uint8_t interactive = 0;
88 uint8_t auto_start = 0;
89 uint8_t tx_first;
90 char cmdline_filename[PATH_MAX] = {0};
91 
92 /*
93  * NUMA support configuration.
94  * When set, the NUMA support attempts to dispatch the allocation of the
95  * RX and TX memory rings, and of the DMA memory buffers (mbufs) for the
96  * probed ports among the CPU sockets 0 and 1.
97  * Otherwise, all memory is allocated from CPU socket 0.
98  */
99 uint8_t numa_support = 1; /**< numa enabled by default */
100 
101 /*
102  * In UMA mode,all memory is allocated from socket 0 if --socket-num is
103  * not configured.
104  */
105 uint8_t socket_num = UMA_NO_CONFIG;
106 
107 /*
108  * Select mempool allocation type:
109  * - native: use regular DPDK memory
110  * - anon: use regular DPDK memory to create mempool, but populate using
111  *         anonymous memory (may not be IOVA-contiguous)
112  * - xmem: use externally allocated hugepage memory
113  */
114 uint8_t mp_alloc_type = MP_ALLOC_NATIVE;
115 
116 /*
117  * Store specified sockets on which memory pool to be used by ports
118  * is allocated.
119  */
120 uint8_t port_numa[RTE_MAX_ETHPORTS];
121 
122 /*
123  * Store specified sockets on which RX ring to be used by ports
124  * is allocated.
125  */
126 uint8_t rxring_numa[RTE_MAX_ETHPORTS];
127 
128 /*
129  * Store specified sockets on which TX ring to be used by ports
130  * is allocated.
131  */
132 uint8_t txring_numa[RTE_MAX_ETHPORTS];
133 
134 /*
135  * Record the Ethernet address of peer target ports to which packets are
136  * forwarded.
137  * Must be instantiated with the ethernet addresses of peer traffic generator
138  * ports.
139  */
140 struct rte_ether_addr peer_eth_addrs[RTE_MAX_ETHPORTS];
141 portid_t nb_peer_eth_addrs = 0;
142 
143 /*
144  * Probed Target Environment.
145  */
146 struct rte_port *ports;	       /**< For all probed ethernet ports. */
147 portid_t nb_ports;             /**< Number of probed ethernet ports. */
148 struct fwd_lcore **fwd_lcores; /**< For all probed logical cores. */
149 lcoreid_t nb_lcores;           /**< Number of probed logical cores. */
150 
151 portid_t ports_ids[RTE_MAX_ETHPORTS]; /**< Store all port ids. */
152 
153 /*
154  * Test Forwarding Configuration.
155  *    nb_fwd_lcores <= nb_cfg_lcores <= nb_lcores
156  *    nb_fwd_ports  <= nb_cfg_ports  <= nb_ports
157  */
158 lcoreid_t nb_cfg_lcores; /**< Number of configured logical cores. */
159 lcoreid_t nb_fwd_lcores; /**< Number of forwarding logical cores. */
160 portid_t  nb_cfg_ports;  /**< Number of configured ports. */
161 portid_t  nb_fwd_ports;  /**< Number of forwarding ports. */
162 
163 unsigned int fwd_lcores_cpuids[RTE_MAX_LCORE]; /**< CPU ids configuration. */
164 portid_t fwd_ports_ids[RTE_MAX_ETHPORTS];      /**< Port ids configuration. */
165 
166 struct fwd_stream **fwd_streams; /**< For each RX queue of each port. */
167 streamid_t nb_fwd_streams;       /**< Is equal to (nb_ports * nb_rxq). */
168 
169 /*
170  * Forwarding engines.
171  */
172 struct fwd_engine * fwd_engines[] = {
173 	&io_fwd_engine,
174 	&mac_fwd_engine,
175 	&mac_swap_engine,
176 	&flow_gen_engine,
177 	&rx_only_engine,
178 	&tx_only_engine,
179 	&csum_fwd_engine,
180 	&icmp_echo_engine,
181 	&noisy_vnf_engine,
182 	&five_tuple_swap_fwd_engine,
183 #ifdef RTE_LIBRTE_IEEE1588
184 	&ieee1588_fwd_engine,
185 #endif
186 	NULL,
187 };
188 
189 struct rte_mempool *mempools[RTE_MAX_NUMA_NODES * MAX_SEGS_BUFFER_SPLIT];
190 uint16_t mempool_flags;
191 
192 struct fwd_config cur_fwd_config;
193 struct fwd_engine *cur_fwd_eng = &io_fwd_engine; /**< IO mode by default. */
194 uint32_t retry_enabled;
195 uint32_t burst_tx_delay_time = BURST_TX_WAIT_US;
196 uint32_t burst_tx_retry_num = BURST_TX_RETRIES;
197 
198 uint32_t mbuf_data_size_n = 1; /* Number of specified mbuf sizes. */
199 uint16_t mbuf_data_size[MAX_SEGS_BUFFER_SPLIT] = {
200 	DEFAULT_MBUF_DATA_SIZE
201 }; /**< Mbuf data space size. */
202 uint32_t param_total_num_mbufs = 0;  /**< number of mbufs in all pools - if
203                                       * specified on command-line. */
204 uint16_t stats_period; /**< Period to show statistics (disabled by default) */
205 
206 /*
207  * In container, it cannot terminate the process which running with 'stats-period'
208  * option. Set flag to exit stats period loop after received SIGINT/SIGTERM.
209  */
210 uint8_t f_quit;
211 
212 /*
213  * Configuration of packet segments used to scatter received packets
214  * if some of split features is configured.
215  */
216 uint16_t rx_pkt_seg_lengths[MAX_SEGS_BUFFER_SPLIT];
217 uint8_t  rx_pkt_nb_segs; /**< Number of segments to split */
218 uint16_t rx_pkt_seg_offsets[MAX_SEGS_BUFFER_SPLIT];
219 uint8_t  rx_pkt_nb_offs; /**< Number of specified offsets */
220 
221 /*
222  * Configuration of packet segments used by the "txonly" processing engine.
223  */
224 uint16_t tx_pkt_length = TXONLY_DEF_PACKET_LEN; /**< TXONLY packet length. */
225 uint16_t tx_pkt_seg_lengths[RTE_MAX_SEGS_PER_PKT] = {
226 	TXONLY_DEF_PACKET_LEN,
227 };
228 uint8_t  tx_pkt_nb_segs = 1; /**< Number of segments in TXONLY packets */
229 
230 enum tx_pkt_split tx_pkt_split = TX_PKT_SPLIT_OFF;
231 /**< Split policy for packets to TX. */
232 
233 uint8_t txonly_multi_flow;
234 /**< Whether multiple flows are generated in TXONLY mode. */
235 
236 uint32_t tx_pkt_times_inter;
237 /**< Timings for send scheduling in TXONLY mode, time between bursts. */
238 
239 uint32_t tx_pkt_times_intra;
240 /**< Timings for send scheduling in TXONLY mode, time between packets. */
241 
242 uint16_t nb_pkt_per_burst = DEF_PKT_BURST; /**< Number of packets per burst. */
243 uint16_t mb_mempool_cache = DEF_MBUF_CACHE; /**< Size of mbuf mempool cache. */
244 
245 /* current configuration is in DCB or not,0 means it is not in DCB mode */
246 uint8_t dcb_config = 0;
247 
248 /* Whether the dcb is in testing status */
249 uint8_t dcb_test = 0;
250 
251 /*
252  * Configurable number of RX/TX queues.
253  */
254 queueid_t nb_hairpinq; /**< Number of hairpin queues per port. */
255 queueid_t nb_rxq = 1; /**< Number of RX queues per port. */
256 queueid_t nb_txq = 1; /**< Number of TX queues per port. */
257 
258 /*
259  * Configurable number of RX/TX ring descriptors.
260  * Defaults are supplied by drivers via ethdev.
261  */
262 #define RTE_TEST_RX_DESC_DEFAULT 0
263 #define RTE_TEST_TX_DESC_DEFAULT 0
264 uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; /**< Number of RX descriptors. */
265 uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; /**< Number of TX descriptors. */
266 
267 #define RTE_PMD_PARAM_UNSET -1
268 /*
269  * Configurable values of RX and TX ring threshold registers.
270  */
271 
272 int8_t rx_pthresh = RTE_PMD_PARAM_UNSET;
273 int8_t rx_hthresh = RTE_PMD_PARAM_UNSET;
274 int8_t rx_wthresh = RTE_PMD_PARAM_UNSET;
275 
276 int8_t tx_pthresh = RTE_PMD_PARAM_UNSET;
277 int8_t tx_hthresh = RTE_PMD_PARAM_UNSET;
278 int8_t tx_wthresh = RTE_PMD_PARAM_UNSET;
279 
280 /*
281  * Configurable value of RX free threshold.
282  */
283 int16_t rx_free_thresh = RTE_PMD_PARAM_UNSET;
284 
285 /*
286  * Configurable value of RX drop enable.
287  */
288 int8_t rx_drop_en = RTE_PMD_PARAM_UNSET;
289 
290 /*
291  * Configurable value of TX free threshold.
292  */
293 int16_t tx_free_thresh = RTE_PMD_PARAM_UNSET;
294 
295 /*
296  * Configurable value of TX RS bit threshold.
297  */
298 int16_t tx_rs_thresh = RTE_PMD_PARAM_UNSET;
299 
300 /*
301  * Configurable value of buffered packets before sending.
302  */
303 uint16_t noisy_tx_sw_bufsz;
304 
305 /*
306  * Configurable value of packet buffer timeout.
307  */
308 uint16_t noisy_tx_sw_buf_flush_time;
309 
310 /*
311  * Configurable value for size of VNF internal memory area
312  * used for simulating noisy neighbour behaviour
313  */
314 uint64_t noisy_lkup_mem_sz;
315 
316 /*
317  * Configurable value of number of random writes done in
318  * VNF simulation memory area.
319  */
320 uint64_t noisy_lkup_num_writes;
321 
322 /*
323  * Configurable value of number of random reads done in
324  * VNF simulation memory area.
325  */
326 uint64_t noisy_lkup_num_reads;
327 
328 /*
329  * Configurable value of number of random reads/writes done in
330  * VNF simulation memory area.
331  */
332 uint64_t noisy_lkup_num_reads_writes;
333 
334 /*
335  * Receive Side Scaling (RSS) configuration.
336  */
337 uint64_t rss_hf = ETH_RSS_IP; /* RSS IP by default. */
338 
339 /*
340  * Port topology configuration
341  */
342 uint16_t port_topology = PORT_TOPOLOGY_PAIRED; /* Ports are paired by default */
343 
344 /*
345  * Avoids to flush all the RX streams before starts forwarding.
346  */
347 uint8_t no_flush_rx = 0; /* flush by default */
348 
349 /*
350  * Flow API isolated mode.
351  */
352 uint8_t flow_isolate_all;
353 
354 /*
355  * Avoids to check link status when starting/stopping a port.
356  */
357 uint8_t no_link_check = 0; /* check by default */
358 
359 /*
360  * Don't automatically start all ports in interactive mode.
361  */
362 uint8_t no_device_start = 0;
363 
364 /*
365  * Enable link status change notification
366  */
367 uint8_t lsc_interrupt = 1; /* enabled by default */
368 
369 /*
370  * Enable device removal notification.
371  */
372 uint8_t rmv_interrupt = 1; /* enabled by default */
373 
374 uint8_t hot_plug = 0; /**< hotplug disabled by default. */
375 
376 /* After attach, port setup is called on event or by iterator */
377 bool setup_on_probe_event = true;
378 
379 /* Clear ptypes on port initialization. */
380 uint8_t clear_ptypes = true;
381 
382 /* Hairpin ports configuration mode. */
383 uint16_t hairpin_mode;
384 
385 /* Pretty printing of ethdev events */
386 static const char * const eth_event_desc[] = {
387 	[RTE_ETH_EVENT_UNKNOWN] = "unknown",
388 	[RTE_ETH_EVENT_INTR_LSC] = "link state change",
389 	[RTE_ETH_EVENT_QUEUE_STATE] = "queue state",
390 	[RTE_ETH_EVENT_INTR_RESET] = "reset",
391 	[RTE_ETH_EVENT_VF_MBOX] = "VF mbox",
392 	[RTE_ETH_EVENT_IPSEC] = "IPsec",
393 	[RTE_ETH_EVENT_MACSEC] = "MACsec",
394 	[RTE_ETH_EVENT_INTR_RMV] = "device removal",
395 	[RTE_ETH_EVENT_NEW] = "device probed",
396 	[RTE_ETH_EVENT_DESTROY] = "device released",
397 	[RTE_ETH_EVENT_FLOW_AGED] = "flow aged",
398 	[RTE_ETH_EVENT_MAX] = NULL,
399 };
400 
401 /*
402  * Display or mask ether events
403  * Default to all events except VF_MBOX
404  */
405 uint32_t event_print_mask = (UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN) |
406 			    (UINT32_C(1) << RTE_ETH_EVENT_INTR_LSC) |
407 			    (UINT32_C(1) << RTE_ETH_EVENT_QUEUE_STATE) |
408 			    (UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET) |
409 			    (UINT32_C(1) << RTE_ETH_EVENT_IPSEC) |
410 			    (UINT32_C(1) << RTE_ETH_EVENT_MACSEC) |
411 			    (UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV) |
412 			    (UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED);
413 /*
414  * Decide if all memory are locked for performance.
415  */
416 int do_mlockall = 0;
417 
418 /*
419  * NIC bypass mode configuration options.
420  */
421 
422 #if defined RTE_NET_IXGBE && defined RTE_LIBRTE_IXGBE_BYPASS
423 /* The NIC bypass watchdog timeout. */
424 uint32_t bypass_timeout = RTE_PMD_IXGBE_BYPASS_TMT_OFF;
425 #endif
426 
427 
428 #ifdef RTE_LIB_LATENCYSTATS
429 
430 /*
431  * Set when latency stats is enabled in the commandline
432  */
433 uint8_t latencystats_enabled;
434 
435 /*
436  * Lcore ID to serive latency statistics.
437  */
438 lcoreid_t latencystats_lcore_id = -1;
439 
440 #endif
441 
442 /*
443  * Ethernet device configuration.
444  */
445 struct rte_eth_rxmode rx_mode = {
446 	.max_rx_pkt_len = RTE_ETHER_MAX_LEN,
447 		/**< Default maximum frame length. */
448 };
449 
450 struct rte_eth_txmode tx_mode = {
451 	.offloads = DEV_TX_OFFLOAD_MBUF_FAST_FREE,
452 };
453 
454 struct rte_fdir_conf fdir_conf = {
455 	.mode = RTE_FDIR_MODE_NONE,
456 	.pballoc = RTE_FDIR_PBALLOC_64K,
457 	.status = RTE_FDIR_REPORT_STATUS,
458 	.mask = {
459 		.vlan_tci_mask = 0xFFEF,
460 		.ipv4_mask     = {
461 			.src_ip = 0xFFFFFFFF,
462 			.dst_ip = 0xFFFFFFFF,
463 		},
464 		.ipv6_mask     = {
465 			.src_ip = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
466 			.dst_ip = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
467 		},
468 		.src_port_mask = 0xFFFF,
469 		.dst_port_mask = 0xFFFF,
470 		.mac_addr_byte_mask = 0xFF,
471 		.tunnel_type_mask = 1,
472 		.tunnel_id_mask = 0xFFFFFFFF,
473 	},
474 	.drop_queue = 127,
475 };
476 
477 volatile int test_done = 1; /* stop packet forwarding when set to 1. */
478 
479 /*
480  * Display zero values by default for xstats
481  */
482 uint8_t xstats_hide_zero;
483 
484 /*
485  * Measure of CPU cycles disabled by default
486  */
487 uint8_t record_core_cycles;
488 
489 /*
490  * Display of RX and TX bursts disabled by default
491  */
492 uint8_t record_burst_stats;
493 
494 unsigned int num_sockets = 0;
495 unsigned int socket_ids[RTE_MAX_NUMA_NODES];
496 
497 #ifdef RTE_LIB_BITRATESTATS
498 /* Bitrate statistics */
499 struct rte_stats_bitrates *bitrate_data;
500 lcoreid_t bitrate_lcore_id;
501 uint8_t bitrate_enabled;
502 #endif
503 
504 struct gro_status gro_ports[RTE_MAX_ETHPORTS];
505 uint8_t gro_flush_cycles = GRO_DEFAULT_FLUSH_CYCLES;
506 
507 /*
508  * hexadecimal bitmask of RX mq mode can be enabled.
509  */
510 enum rte_eth_rx_mq_mode rx_mq_mode = ETH_MQ_RX_VMDQ_DCB_RSS;
511 
512 /* Forward function declarations */
513 static void setup_attached_port(portid_t pi);
514 static void check_all_ports_link_status(uint32_t port_mask);
515 static int eth_event_callback(portid_t port_id,
516 			      enum rte_eth_event_type type,
517 			      void *param, void *ret_param);
518 static void dev_event_callback(const char *device_name,
519 				enum rte_dev_event_type type,
520 				void *param);
521 
522 /*
523  * Check if all the ports are started.
524  * If yes, return positive value. If not, return zero.
525  */
526 static int all_ports_started(void);
527 
528 struct gso_status gso_ports[RTE_MAX_ETHPORTS];
529 uint16_t gso_max_segment_size = RTE_ETHER_MAX_LEN - RTE_ETHER_CRC_LEN;
530 
531 /* Holds the registered mbuf dynamic flags names. */
532 char dynf_names[64][RTE_MBUF_DYN_NAMESIZE];
533 
534 /*
535  * Helper function to check if socket is already discovered.
536  * If yes, return positive value. If not, return zero.
537  */
538 int
539 new_socket_id(unsigned int socket_id)
540 {
541 	unsigned int i;
542 
543 	for (i = 0; i < num_sockets; i++) {
544 		if (socket_ids[i] == socket_id)
545 			return 0;
546 	}
547 	return 1;
548 }
549 
550 /*
551  * Setup default configuration.
552  */
553 static void
554 set_default_fwd_lcores_config(void)
555 {
556 	unsigned int i;
557 	unsigned int nb_lc;
558 	unsigned int sock_num;
559 
560 	nb_lc = 0;
561 	for (i = 0; i < RTE_MAX_LCORE; i++) {
562 		if (!rte_lcore_is_enabled(i))
563 			continue;
564 		sock_num = rte_lcore_to_socket_id(i);
565 		if (new_socket_id(sock_num)) {
566 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
567 				rte_exit(EXIT_FAILURE,
568 					 "Total sockets greater than %u\n",
569 					 RTE_MAX_NUMA_NODES);
570 			}
571 			socket_ids[num_sockets++] = sock_num;
572 		}
573 		if (i == rte_get_main_lcore())
574 			continue;
575 		fwd_lcores_cpuids[nb_lc++] = i;
576 	}
577 	nb_lcores = (lcoreid_t) nb_lc;
578 	nb_cfg_lcores = nb_lcores;
579 	nb_fwd_lcores = 1;
580 }
581 
582 static void
583 set_def_peer_eth_addrs(void)
584 {
585 	portid_t i;
586 
587 	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
588 		peer_eth_addrs[i].addr_bytes[0] = RTE_ETHER_LOCAL_ADMIN_ADDR;
589 		peer_eth_addrs[i].addr_bytes[5] = i;
590 	}
591 }
592 
593 static void
594 set_default_fwd_ports_config(void)
595 {
596 	portid_t pt_id;
597 	int i = 0;
598 
599 	RTE_ETH_FOREACH_DEV(pt_id) {
600 		fwd_ports_ids[i++] = pt_id;
601 
602 		/* Update sockets info according to the attached device */
603 		int socket_id = rte_eth_dev_socket_id(pt_id);
604 		if (socket_id >= 0 && new_socket_id(socket_id)) {
605 			if (num_sockets >= RTE_MAX_NUMA_NODES) {
606 				rte_exit(EXIT_FAILURE,
607 					 "Total sockets greater than %u\n",
608 					 RTE_MAX_NUMA_NODES);
609 			}
610 			socket_ids[num_sockets++] = socket_id;
611 		}
612 	}
613 
614 	nb_cfg_ports = nb_ports;
615 	nb_fwd_ports = nb_ports;
616 }
617 
618 void
619 set_def_fwd_config(void)
620 {
621 	set_default_fwd_lcores_config();
622 	set_def_peer_eth_addrs();
623 	set_default_fwd_ports_config();
624 }
625 
626 /* extremely pessimistic estimation of memory required to create a mempool */
627 static int
628 calc_mem_size(uint32_t nb_mbufs, uint32_t mbuf_sz, size_t pgsz, size_t *out)
629 {
630 	unsigned int n_pages, mbuf_per_pg, leftover;
631 	uint64_t total_mem, mbuf_mem, obj_sz;
632 
633 	/* there is no good way to predict how much space the mempool will
634 	 * occupy because it will allocate chunks on the fly, and some of those
635 	 * will come from default DPDK memory while some will come from our
636 	 * external memory, so just assume 128MB will be enough for everyone.
637 	 */
638 	uint64_t hdr_mem = 128 << 20;
639 
640 	/* account for possible non-contiguousness */
641 	obj_sz = rte_mempool_calc_obj_size(mbuf_sz, 0, NULL);
642 	if (obj_sz > pgsz) {
643 		TESTPMD_LOG(ERR, "Object size is bigger than page size\n");
644 		return -1;
645 	}
646 
647 	mbuf_per_pg = pgsz / obj_sz;
648 	leftover = (nb_mbufs % mbuf_per_pg) > 0;
649 	n_pages = (nb_mbufs / mbuf_per_pg) + leftover;
650 
651 	mbuf_mem = n_pages * pgsz;
652 
653 	total_mem = RTE_ALIGN(hdr_mem + mbuf_mem, pgsz);
654 
655 	if (total_mem > SIZE_MAX) {
656 		TESTPMD_LOG(ERR, "Memory size too big\n");
657 		return -1;
658 	}
659 	*out = (size_t)total_mem;
660 
661 	return 0;
662 }
663 
664 static int
665 pagesz_flags(uint64_t page_sz)
666 {
667 	/* as per mmap() manpage, all page sizes are log2 of page size
668 	 * shifted by MAP_HUGE_SHIFT
669 	 */
670 	int log2 = rte_log2_u64(page_sz);
671 
672 	return (log2 << HUGE_SHIFT);
673 }
674 
675 static void *
676 alloc_mem(size_t memsz, size_t pgsz, bool huge)
677 {
678 	void *addr;
679 	int flags;
680 
681 	/* allocate anonymous hugepages */
682 	flags = MAP_ANONYMOUS | MAP_PRIVATE;
683 	if (huge)
684 		flags |= HUGE_FLAG | pagesz_flags(pgsz);
685 
686 	addr = mmap(NULL, memsz, PROT_READ | PROT_WRITE, flags, -1, 0);
687 	if (addr == MAP_FAILED)
688 		return NULL;
689 
690 	return addr;
691 }
692 
693 struct extmem_param {
694 	void *addr;
695 	size_t len;
696 	size_t pgsz;
697 	rte_iova_t *iova_table;
698 	unsigned int iova_table_len;
699 };
700 
701 static int
702 create_extmem(uint32_t nb_mbufs, uint32_t mbuf_sz, struct extmem_param *param,
703 		bool huge)
704 {
705 	uint64_t pgsizes[] = {RTE_PGSIZE_2M, RTE_PGSIZE_1G, /* x86_64, ARM */
706 			RTE_PGSIZE_16M, RTE_PGSIZE_16G};    /* POWER */
707 	unsigned int cur_page, n_pages, pgsz_idx;
708 	size_t mem_sz, cur_pgsz;
709 	rte_iova_t *iovas = NULL;
710 	void *addr;
711 	int ret;
712 
713 	for (pgsz_idx = 0; pgsz_idx < RTE_DIM(pgsizes); pgsz_idx++) {
714 		/* skip anything that is too big */
715 		if (pgsizes[pgsz_idx] > SIZE_MAX)
716 			continue;
717 
718 		cur_pgsz = pgsizes[pgsz_idx];
719 
720 		/* if we were told not to allocate hugepages, override */
721 		if (!huge)
722 			cur_pgsz = sysconf(_SC_PAGESIZE);
723 
724 		ret = calc_mem_size(nb_mbufs, mbuf_sz, cur_pgsz, &mem_sz);
725 		if (ret < 0) {
726 			TESTPMD_LOG(ERR, "Cannot calculate memory size\n");
727 			return -1;
728 		}
729 
730 		/* allocate our memory */
731 		addr = alloc_mem(mem_sz, cur_pgsz, huge);
732 
733 		/* if we couldn't allocate memory with a specified page size,
734 		 * that doesn't mean we can't do it with other page sizes, so
735 		 * try another one.
736 		 */
737 		if (addr == NULL)
738 			continue;
739 
740 		/* store IOVA addresses for every page in this memory area */
741 		n_pages = mem_sz / cur_pgsz;
742 
743 		iovas = malloc(sizeof(*iovas) * n_pages);
744 
745 		if (iovas == NULL) {
746 			TESTPMD_LOG(ERR, "Cannot allocate memory for iova addresses\n");
747 			goto fail;
748 		}
749 		/* lock memory if it's not huge pages */
750 		if (!huge)
751 			mlock(addr, mem_sz);
752 
753 		/* populate IOVA addresses */
754 		for (cur_page = 0; cur_page < n_pages; cur_page++) {
755 			rte_iova_t iova;
756 			size_t offset;
757 			void *cur;
758 
759 			offset = cur_pgsz * cur_page;
760 			cur = RTE_PTR_ADD(addr, offset);
761 
762 			/* touch the page before getting its IOVA */
763 			*(volatile char *)cur = 0;
764 
765 			iova = rte_mem_virt2iova(cur);
766 
767 			iovas[cur_page] = iova;
768 		}
769 
770 		break;
771 	}
772 	/* if we couldn't allocate anything */
773 	if (iovas == NULL)
774 		return -1;
775 
776 	param->addr = addr;
777 	param->len = mem_sz;
778 	param->pgsz = cur_pgsz;
779 	param->iova_table = iovas;
780 	param->iova_table_len = n_pages;
781 
782 	return 0;
783 fail:
784 	if (iovas)
785 		free(iovas);
786 	if (addr)
787 		munmap(addr, mem_sz);
788 
789 	return -1;
790 }
791 
792 static int
793 setup_extmem(uint32_t nb_mbufs, uint32_t mbuf_sz, bool huge)
794 {
795 	struct extmem_param param;
796 	int socket_id, ret;
797 
798 	memset(&param, 0, sizeof(param));
799 
800 	/* check if our heap exists */
801 	socket_id = rte_malloc_heap_get_socket(EXTMEM_HEAP_NAME);
802 	if (socket_id < 0) {
803 		/* create our heap */
804 		ret = rte_malloc_heap_create(EXTMEM_HEAP_NAME);
805 		if (ret < 0) {
806 			TESTPMD_LOG(ERR, "Cannot create heap\n");
807 			return -1;
808 		}
809 	}
810 
811 	ret = create_extmem(nb_mbufs, mbuf_sz, &param, huge);
812 	if (ret < 0) {
813 		TESTPMD_LOG(ERR, "Cannot create memory area\n");
814 		return -1;
815 	}
816 
817 	/* we now have a valid memory area, so add it to heap */
818 	ret = rte_malloc_heap_memory_add(EXTMEM_HEAP_NAME,
819 			param.addr, param.len, param.iova_table,
820 			param.iova_table_len, param.pgsz);
821 
822 	/* when using VFIO, memory is automatically mapped for DMA by EAL */
823 
824 	/* not needed any more */
825 	free(param.iova_table);
826 
827 	if (ret < 0) {
828 		TESTPMD_LOG(ERR, "Cannot add memory to heap\n");
829 		munmap(param.addr, param.len);
830 		return -1;
831 	}
832 
833 	/* success */
834 
835 	TESTPMD_LOG(DEBUG, "Allocated %zuMB of external memory\n",
836 			param.len >> 20);
837 
838 	return 0;
839 }
840 static void
841 dma_unmap_cb(struct rte_mempool *mp __rte_unused, void *opaque __rte_unused,
842 	     struct rte_mempool_memhdr *memhdr, unsigned mem_idx __rte_unused)
843 {
844 	uint16_t pid = 0;
845 	int ret;
846 
847 	RTE_ETH_FOREACH_DEV(pid) {
848 		struct rte_eth_dev *dev =
849 			&rte_eth_devices[pid];
850 
851 		ret = rte_dev_dma_unmap(dev->device, memhdr->addr, 0,
852 					memhdr->len);
853 		if (ret) {
854 			TESTPMD_LOG(DEBUG,
855 				    "unable to DMA unmap addr 0x%p "
856 				    "for device %s\n",
857 				    memhdr->addr, dev->data->name);
858 		}
859 	}
860 	ret = rte_extmem_unregister(memhdr->addr, memhdr->len);
861 	if (ret) {
862 		TESTPMD_LOG(DEBUG,
863 			    "unable to un-register addr 0x%p\n", memhdr->addr);
864 	}
865 }
866 
867 static void
868 dma_map_cb(struct rte_mempool *mp __rte_unused, void *opaque __rte_unused,
869 	   struct rte_mempool_memhdr *memhdr, unsigned mem_idx __rte_unused)
870 {
871 	uint16_t pid = 0;
872 	size_t page_size = sysconf(_SC_PAGESIZE);
873 	int ret;
874 
875 	ret = rte_extmem_register(memhdr->addr, memhdr->len, NULL, 0,
876 				  page_size);
877 	if (ret) {
878 		TESTPMD_LOG(DEBUG,
879 			    "unable to register addr 0x%p\n", memhdr->addr);
880 		return;
881 	}
882 	RTE_ETH_FOREACH_DEV(pid) {
883 		struct rte_eth_dev *dev =
884 			&rte_eth_devices[pid];
885 
886 		ret = rte_dev_dma_map(dev->device, memhdr->addr, 0,
887 				      memhdr->len);
888 		if (ret) {
889 			TESTPMD_LOG(DEBUG,
890 				    "unable to DMA map addr 0x%p "
891 				    "for device %s\n",
892 				    memhdr->addr, dev->data->name);
893 		}
894 	}
895 }
896 
897 static unsigned int
898 setup_extbuf(uint32_t nb_mbufs, uint16_t mbuf_sz, unsigned int socket_id,
899 	    char *pool_name, struct rte_pktmbuf_extmem **ext_mem)
900 {
901 	struct rte_pktmbuf_extmem *xmem;
902 	unsigned int ext_num, zone_num, elt_num;
903 	uint16_t elt_size;
904 
905 	elt_size = RTE_ALIGN_CEIL(mbuf_sz, RTE_CACHE_LINE_SIZE);
906 	elt_num = EXTBUF_ZONE_SIZE / elt_size;
907 	zone_num = (nb_mbufs + elt_num - 1) / elt_num;
908 
909 	xmem = malloc(sizeof(struct rte_pktmbuf_extmem) * zone_num);
910 	if (xmem == NULL) {
911 		TESTPMD_LOG(ERR, "Cannot allocate memory for "
912 				 "external buffer descriptors\n");
913 		*ext_mem = NULL;
914 		return 0;
915 	}
916 	for (ext_num = 0; ext_num < zone_num; ext_num++) {
917 		struct rte_pktmbuf_extmem *xseg = xmem + ext_num;
918 		const struct rte_memzone *mz;
919 		char mz_name[RTE_MEMZONE_NAMESIZE];
920 		int ret;
921 
922 		ret = snprintf(mz_name, sizeof(mz_name),
923 			RTE_MEMPOOL_MZ_FORMAT "_xb_%u", pool_name, ext_num);
924 		if (ret < 0 || ret >= (int)sizeof(mz_name)) {
925 			errno = ENAMETOOLONG;
926 			ext_num = 0;
927 			break;
928 		}
929 		mz = rte_memzone_reserve_aligned(mz_name, EXTBUF_ZONE_SIZE,
930 						 socket_id,
931 						 RTE_MEMZONE_IOVA_CONTIG |
932 						 RTE_MEMZONE_1GB |
933 						 RTE_MEMZONE_SIZE_HINT_ONLY,
934 						 EXTBUF_ZONE_SIZE);
935 		if (mz == NULL) {
936 			/*
937 			 * The caller exits on external buffer creation
938 			 * error, so there is no need to free memzones.
939 			 */
940 			errno = ENOMEM;
941 			ext_num = 0;
942 			break;
943 		}
944 		xseg->buf_ptr = mz->addr;
945 		xseg->buf_iova = mz->iova;
946 		xseg->buf_len = EXTBUF_ZONE_SIZE;
947 		xseg->elt_size = elt_size;
948 	}
949 	if (ext_num == 0 && xmem != NULL) {
950 		free(xmem);
951 		xmem = NULL;
952 	}
953 	*ext_mem = xmem;
954 	return ext_num;
955 }
956 
957 /*
958  * Configuration initialisation done once at init time.
959  */
960 static struct rte_mempool *
961 mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
962 		 unsigned int socket_id, uint16_t size_idx)
963 {
964 	char pool_name[RTE_MEMPOOL_NAMESIZE];
965 	struct rte_mempool *rte_mp = NULL;
966 	uint32_t mb_size;
967 
968 	mb_size = sizeof(struct rte_mbuf) + mbuf_seg_size;
969 	mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name), size_idx);
970 
971 	TESTPMD_LOG(INFO,
972 		"create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
973 		pool_name, nb_mbuf, mbuf_seg_size, socket_id);
974 
975 	switch (mp_alloc_type) {
976 	case MP_ALLOC_NATIVE:
977 		{
978 			/* wrapper to rte_mempool_create() */
979 			TESTPMD_LOG(INFO, "preferred mempool ops selected: %s\n",
980 					rte_mbuf_best_mempool_ops());
981 			rte_mp = rte_pktmbuf_pool_create(pool_name, nb_mbuf,
982 				mb_mempool_cache, 0, mbuf_seg_size, socket_id);
983 			break;
984 		}
985 	case MP_ALLOC_ANON:
986 		{
987 			rte_mp = rte_mempool_create_empty(pool_name, nb_mbuf,
988 				mb_size, (unsigned int) mb_mempool_cache,
989 				sizeof(struct rte_pktmbuf_pool_private),
990 				socket_id, mempool_flags);
991 			if (rte_mp == NULL)
992 				goto err;
993 
994 			if (rte_mempool_populate_anon(rte_mp) == 0) {
995 				rte_mempool_free(rte_mp);
996 				rte_mp = NULL;
997 				goto err;
998 			}
999 			rte_pktmbuf_pool_init(rte_mp, NULL);
1000 			rte_mempool_obj_iter(rte_mp, rte_pktmbuf_init, NULL);
1001 			rte_mempool_mem_iter(rte_mp, dma_map_cb, NULL);
1002 			break;
1003 		}
1004 	case MP_ALLOC_XMEM:
1005 	case MP_ALLOC_XMEM_HUGE:
1006 		{
1007 			int heap_socket;
1008 			bool huge = mp_alloc_type == MP_ALLOC_XMEM_HUGE;
1009 
1010 			if (setup_extmem(nb_mbuf, mbuf_seg_size, huge) < 0)
1011 				rte_exit(EXIT_FAILURE, "Could not create external memory\n");
1012 
1013 			heap_socket =
1014 				rte_malloc_heap_get_socket(EXTMEM_HEAP_NAME);
1015 			if (heap_socket < 0)
1016 				rte_exit(EXIT_FAILURE, "Could not get external memory socket ID\n");
1017 
1018 			TESTPMD_LOG(INFO, "preferred mempool ops selected: %s\n",
1019 					rte_mbuf_best_mempool_ops());
1020 			rte_mp = rte_pktmbuf_pool_create(pool_name, nb_mbuf,
1021 					mb_mempool_cache, 0, mbuf_seg_size,
1022 					heap_socket);
1023 			break;
1024 		}
1025 	case MP_ALLOC_XBUF:
1026 		{
1027 			struct rte_pktmbuf_extmem *ext_mem;
1028 			unsigned int ext_num;
1029 
1030 			ext_num = setup_extbuf(nb_mbuf,	mbuf_seg_size,
1031 					       socket_id, pool_name, &ext_mem);
1032 			if (ext_num == 0)
1033 				rte_exit(EXIT_FAILURE,
1034 					 "Can't create pinned data buffers\n");
1035 
1036 			TESTPMD_LOG(INFO, "preferred mempool ops selected: %s\n",
1037 					rte_mbuf_best_mempool_ops());
1038 			rte_mp = rte_pktmbuf_pool_create_extbuf
1039 					(pool_name, nb_mbuf, mb_mempool_cache,
1040 					 0, mbuf_seg_size, socket_id,
1041 					 ext_mem, ext_num);
1042 			free(ext_mem);
1043 			break;
1044 		}
1045 	default:
1046 		{
1047 			rte_exit(EXIT_FAILURE, "Invalid mempool creation mode\n");
1048 		}
1049 	}
1050 
1051 err:
1052 	if (rte_mp == NULL) {
1053 		rte_exit(EXIT_FAILURE,
1054 			"Creation of mbuf pool for socket %u failed: %s\n",
1055 			socket_id, rte_strerror(rte_errno));
1056 	} else if (verbose_level > 0) {
1057 		rte_mempool_dump(stdout, rte_mp);
1058 	}
1059 	return rte_mp;
1060 }
1061 
1062 /*
1063  * Check given socket id is valid or not with NUMA mode,
1064  * if valid, return 0, else return -1
1065  */
1066 static int
1067 check_socket_id(const unsigned int socket_id)
1068 {
1069 	static int warning_once = 0;
1070 
1071 	if (new_socket_id(socket_id)) {
1072 		if (!warning_once && numa_support)
1073 			printf("Warning: NUMA should be configured manually by"
1074 			       " using --port-numa-config and"
1075 			       " --ring-numa-config parameters along with"
1076 			       " --numa.\n");
1077 		warning_once = 1;
1078 		return -1;
1079 	}
1080 	return 0;
1081 }
1082 
1083 /*
1084  * Get the allowed maximum number of RX queues.
1085  * *pid return the port id which has minimal value of
1086  * max_rx_queues in all ports.
1087  */
1088 queueid_t
1089 get_allowed_max_nb_rxq(portid_t *pid)
1090 {
1091 	queueid_t allowed_max_rxq = RTE_MAX_QUEUES_PER_PORT;
1092 	bool max_rxq_valid = false;
1093 	portid_t pi;
1094 	struct rte_eth_dev_info dev_info;
1095 
1096 	RTE_ETH_FOREACH_DEV(pi) {
1097 		if (eth_dev_info_get_print_err(pi, &dev_info) != 0)
1098 			continue;
1099 
1100 		max_rxq_valid = true;
1101 		if (dev_info.max_rx_queues < allowed_max_rxq) {
1102 			allowed_max_rxq = dev_info.max_rx_queues;
1103 			*pid = pi;
1104 		}
1105 	}
1106 	return max_rxq_valid ? allowed_max_rxq : 0;
1107 }
1108 
1109 /*
1110  * Check input rxq is valid or not.
1111  * If input rxq is not greater than any of maximum number
1112  * of RX queues of all ports, it is valid.
1113  * if valid, return 0, else return -1
1114  */
1115 int
1116 check_nb_rxq(queueid_t rxq)
1117 {
1118 	queueid_t allowed_max_rxq;
1119 	portid_t pid = 0;
1120 
1121 	allowed_max_rxq = get_allowed_max_nb_rxq(&pid);
1122 	if (rxq > allowed_max_rxq) {
1123 		printf("Fail: input rxq (%u) can't be greater "
1124 		       "than max_rx_queues (%u) of port %u\n",
1125 		       rxq,
1126 		       allowed_max_rxq,
1127 		       pid);
1128 		return -1;
1129 	}
1130 	return 0;
1131 }
1132 
1133 /*
1134  * Get the allowed maximum number of TX queues.
1135  * *pid return the port id which has minimal value of
1136  * max_tx_queues in all ports.
1137  */
1138 queueid_t
1139 get_allowed_max_nb_txq(portid_t *pid)
1140 {
1141 	queueid_t allowed_max_txq = RTE_MAX_QUEUES_PER_PORT;
1142 	bool max_txq_valid = false;
1143 	portid_t pi;
1144 	struct rte_eth_dev_info dev_info;
1145 
1146 	RTE_ETH_FOREACH_DEV(pi) {
1147 		if (eth_dev_info_get_print_err(pi, &dev_info) != 0)
1148 			continue;
1149 
1150 		max_txq_valid = true;
1151 		if (dev_info.max_tx_queues < allowed_max_txq) {
1152 			allowed_max_txq = dev_info.max_tx_queues;
1153 			*pid = pi;
1154 		}
1155 	}
1156 	return max_txq_valid ? allowed_max_txq : 0;
1157 }
1158 
1159 /*
1160  * Check input txq is valid or not.
1161  * If input txq is not greater than any of maximum number
1162  * of TX queues of all ports, it is valid.
1163  * if valid, return 0, else return -1
1164  */
1165 int
1166 check_nb_txq(queueid_t txq)
1167 {
1168 	queueid_t allowed_max_txq;
1169 	portid_t pid = 0;
1170 
1171 	allowed_max_txq = get_allowed_max_nb_txq(&pid);
1172 	if (txq > allowed_max_txq) {
1173 		printf("Fail: input txq (%u) can't be greater "
1174 		       "than max_tx_queues (%u) of port %u\n",
1175 		       txq,
1176 		       allowed_max_txq,
1177 		       pid);
1178 		return -1;
1179 	}
1180 	return 0;
1181 }
1182 
1183 /*
1184  * Get the allowed maximum number of RXDs of every rx queue.
1185  * *pid return the port id which has minimal value of
1186  * max_rxd in all queues of all ports.
1187  */
1188 static uint16_t
1189 get_allowed_max_nb_rxd(portid_t *pid)
1190 {
1191 	uint16_t allowed_max_rxd = UINT16_MAX;
1192 	portid_t pi;
1193 	struct rte_eth_dev_info dev_info;
1194 
1195 	RTE_ETH_FOREACH_DEV(pi) {
1196 		if (eth_dev_info_get_print_err(pi, &dev_info) != 0)
1197 			continue;
1198 
1199 		if (dev_info.rx_desc_lim.nb_max < allowed_max_rxd) {
1200 			allowed_max_rxd = dev_info.rx_desc_lim.nb_max;
1201 			*pid = pi;
1202 		}
1203 	}
1204 	return allowed_max_rxd;
1205 }
1206 
1207 /*
1208  * Get the allowed minimal number of RXDs of every rx queue.
1209  * *pid return the port id which has minimal value of
1210  * min_rxd in all queues of all ports.
1211  */
1212 static uint16_t
1213 get_allowed_min_nb_rxd(portid_t *pid)
1214 {
1215 	uint16_t allowed_min_rxd = 0;
1216 	portid_t pi;
1217 	struct rte_eth_dev_info dev_info;
1218 
1219 	RTE_ETH_FOREACH_DEV(pi) {
1220 		if (eth_dev_info_get_print_err(pi, &dev_info) != 0)
1221 			continue;
1222 
1223 		if (dev_info.rx_desc_lim.nb_min > allowed_min_rxd) {
1224 			allowed_min_rxd = dev_info.rx_desc_lim.nb_min;
1225 			*pid = pi;
1226 		}
1227 	}
1228 
1229 	return allowed_min_rxd;
1230 }
1231 
1232 /*
1233  * Check input rxd is valid or not.
1234  * If input rxd is not greater than any of maximum number
1235  * of RXDs of every Rx queues and is not less than any of
1236  * minimal number of RXDs of every Rx queues, it is valid.
1237  * if valid, return 0, else return -1
1238  */
1239 int
1240 check_nb_rxd(queueid_t rxd)
1241 {
1242 	uint16_t allowed_max_rxd;
1243 	uint16_t allowed_min_rxd;
1244 	portid_t pid = 0;
1245 
1246 	allowed_max_rxd = get_allowed_max_nb_rxd(&pid);
1247 	if (rxd > allowed_max_rxd) {
1248 		printf("Fail: input rxd (%u) can't be greater "
1249 		       "than max_rxds (%u) of port %u\n",
1250 		       rxd,
1251 		       allowed_max_rxd,
1252 		       pid);
1253 		return -1;
1254 	}
1255 
1256 	allowed_min_rxd = get_allowed_min_nb_rxd(&pid);
1257 	if (rxd < allowed_min_rxd) {
1258 		printf("Fail: input rxd (%u) can't be less "
1259 		       "than min_rxds (%u) of port %u\n",
1260 		       rxd,
1261 		       allowed_min_rxd,
1262 		       pid);
1263 		return -1;
1264 	}
1265 
1266 	return 0;
1267 }
1268 
1269 /*
1270  * Get the allowed maximum number of TXDs of every rx queues.
1271  * *pid return the port id which has minimal value of
1272  * max_txd in every tx queue.
1273  */
1274 static uint16_t
1275 get_allowed_max_nb_txd(portid_t *pid)
1276 {
1277 	uint16_t allowed_max_txd = UINT16_MAX;
1278 	portid_t pi;
1279 	struct rte_eth_dev_info dev_info;
1280 
1281 	RTE_ETH_FOREACH_DEV(pi) {
1282 		if (eth_dev_info_get_print_err(pi, &dev_info) != 0)
1283 			continue;
1284 
1285 		if (dev_info.tx_desc_lim.nb_max < allowed_max_txd) {
1286 			allowed_max_txd = dev_info.tx_desc_lim.nb_max;
1287 			*pid = pi;
1288 		}
1289 	}
1290 	return allowed_max_txd;
1291 }
1292 
1293 /*
1294  * Get the allowed maximum number of TXDs of every tx queues.
1295  * *pid return the port id which has minimal value of
1296  * min_txd in every tx queue.
1297  */
1298 static uint16_t
1299 get_allowed_min_nb_txd(portid_t *pid)
1300 {
1301 	uint16_t allowed_min_txd = 0;
1302 	portid_t pi;
1303 	struct rte_eth_dev_info dev_info;
1304 
1305 	RTE_ETH_FOREACH_DEV(pi) {
1306 		if (eth_dev_info_get_print_err(pi, &dev_info) != 0)
1307 			continue;
1308 
1309 		if (dev_info.tx_desc_lim.nb_min > allowed_min_txd) {
1310 			allowed_min_txd = dev_info.tx_desc_lim.nb_min;
1311 			*pid = pi;
1312 		}
1313 	}
1314 
1315 	return allowed_min_txd;
1316 }
1317 
1318 /*
1319  * Check input txd is valid or not.
1320  * If input txd is not greater than any of maximum number
1321  * of TXDs of every Rx queues, it is valid.
1322  * if valid, return 0, else return -1
1323  */
1324 int
1325 check_nb_txd(queueid_t txd)
1326 {
1327 	uint16_t allowed_max_txd;
1328 	uint16_t allowed_min_txd;
1329 	portid_t pid = 0;
1330 
1331 	allowed_max_txd = get_allowed_max_nb_txd(&pid);
1332 	if (txd > allowed_max_txd) {
1333 		printf("Fail: input txd (%u) can't be greater "
1334 		       "than max_txds (%u) of port %u\n",
1335 		       txd,
1336 		       allowed_max_txd,
1337 		       pid);
1338 		return -1;
1339 	}
1340 
1341 	allowed_min_txd = get_allowed_min_nb_txd(&pid);
1342 	if (txd < allowed_min_txd) {
1343 		printf("Fail: input txd (%u) can't be less "
1344 		       "than min_txds (%u) of port %u\n",
1345 		       txd,
1346 		       allowed_min_txd,
1347 		       pid);
1348 		return -1;
1349 	}
1350 	return 0;
1351 }
1352 
1353 
1354 /*
1355  * Get the allowed maximum number of hairpin queues.
1356  * *pid return the port id which has minimal value of
1357  * max_hairpin_queues in all ports.
1358  */
1359 queueid_t
1360 get_allowed_max_nb_hairpinq(portid_t *pid)
1361 {
1362 	queueid_t allowed_max_hairpinq = RTE_MAX_QUEUES_PER_PORT;
1363 	portid_t pi;
1364 	struct rte_eth_hairpin_cap cap;
1365 
1366 	RTE_ETH_FOREACH_DEV(pi) {
1367 		if (rte_eth_dev_hairpin_capability_get(pi, &cap) != 0) {
1368 			*pid = pi;
1369 			return 0;
1370 		}
1371 		if (cap.max_nb_queues < allowed_max_hairpinq) {
1372 			allowed_max_hairpinq = cap.max_nb_queues;
1373 			*pid = pi;
1374 		}
1375 	}
1376 	return allowed_max_hairpinq;
1377 }
1378 
1379 /*
1380  * Check input hairpin is valid or not.
1381  * If input hairpin is not greater than any of maximum number
1382  * of hairpin queues of all ports, it is valid.
1383  * if valid, return 0, else return -1
1384  */
1385 int
1386 check_nb_hairpinq(queueid_t hairpinq)
1387 {
1388 	queueid_t allowed_max_hairpinq;
1389 	portid_t pid = 0;
1390 
1391 	allowed_max_hairpinq = get_allowed_max_nb_hairpinq(&pid);
1392 	if (hairpinq > allowed_max_hairpinq) {
1393 		printf("Fail: input hairpin (%u) can't be greater "
1394 		       "than max_hairpin_queues (%u) of port %u\n",
1395 		       hairpinq, allowed_max_hairpinq, pid);
1396 		return -1;
1397 	}
1398 	return 0;
1399 }
1400 
1401 static void
1402 init_config(void)
1403 {
1404 	portid_t pid;
1405 	struct rte_port *port;
1406 	struct rte_mempool *mbp;
1407 	unsigned int nb_mbuf_per_pool;
1408 	lcoreid_t  lc_id;
1409 	uint8_t port_per_socket[RTE_MAX_NUMA_NODES];
1410 	struct rte_gro_param gro_param;
1411 	uint32_t gso_types;
1412 	uint16_t data_size;
1413 	bool warning = 0;
1414 	int k;
1415 	int ret;
1416 
1417 	memset(port_per_socket,0,RTE_MAX_NUMA_NODES);
1418 
1419 	/* Configuration of logical cores. */
1420 	fwd_lcores = rte_zmalloc("testpmd: fwd_lcores",
1421 				sizeof(struct fwd_lcore *) * nb_lcores,
1422 				RTE_CACHE_LINE_SIZE);
1423 	if (fwd_lcores == NULL) {
1424 		rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_lcore *)) "
1425 							"failed\n", nb_lcores);
1426 	}
1427 	for (lc_id = 0; lc_id < nb_lcores; lc_id++) {
1428 		fwd_lcores[lc_id] = rte_zmalloc("testpmd: struct fwd_lcore",
1429 					       sizeof(struct fwd_lcore),
1430 					       RTE_CACHE_LINE_SIZE);
1431 		if (fwd_lcores[lc_id] == NULL) {
1432 			rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_lcore) "
1433 								"failed\n");
1434 		}
1435 		fwd_lcores[lc_id]->cpuid_idx = lc_id;
1436 	}
1437 
1438 	RTE_ETH_FOREACH_DEV(pid) {
1439 		port = &ports[pid];
1440 		/* Apply default TxRx configuration for all ports */
1441 		port->dev_conf.txmode = tx_mode;
1442 		port->dev_conf.rxmode = rx_mode;
1443 
1444 		ret = eth_dev_info_get_print_err(pid, &port->dev_info);
1445 		if (ret != 0)
1446 			rte_exit(EXIT_FAILURE,
1447 				 "rte_eth_dev_info_get() failed\n");
1448 
1449 		if (!(port->dev_info.tx_offload_capa &
1450 		      DEV_TX_OFFLOAD_MBUF_FAST_FREE))
1451 			port->dev_conf.txmode.offloads &=
1452 				~DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1453 		if (numa_support) {
1454 			if (port_numa[pid] != NUMA_NO_CONFIG)
1455 				port_per_socket[port_numa[pid]]++;
1456 			else {
1457 				uint32_t socket_id = rte_eth_dev_socket_id(pid);
1458 
1459 				/*
1460 				 * if socket_id is invalid,
1461 				 * set to the first available socket.
1462 				 */
1463 				if (check_socket_id(socket_id) < 0)
1464 					socket_id = socket_ids[0];
1465 				port_per_socket[socket_id]++;
1466 			}
1467 		}
1468 
1469 		/* Apply Rx offloads configuration */
1470 		for (k = 0; k < port->dev_info.max_rx_queues; k++)
1471 			port->rx_conf[k].offloads =
1472 				port->dev_conf.rxmode.offloads;
1473 		/* Apply Tx offloads configuration */
1474 		for (k = 0; k < port->dev_info.max_tx_queues; k++)
1475 			port->tx_conf[k].offloads =
1476 				port->dev_conf.txmode.offloads;
1477 
1478 		/* set flag to initialize port/queue */
1479 		port->need_reconfig = 1;
1480 		port->need_reconfig_queues = 1;
1481 		port->tx_metadata = 0;
1482 
1483 		/* Check for maximum number of segments per MTU. Accordingly
1484 		 * update the mbuf data size.
1485 		 */
1486 		if (port->dev_info.rx_desc_lim.nb_mtu_seg_max != UINT16_MAX &&
1487 				port->dev_info.rx_desc_lim.nb_mtu_seg_max != 0) {
1488 			data_size = rx_mode.max_rx_pkt_len /
1489 				port->dev_info.rx_desc_lim.nb_mtu_seg_max;
1490 
1491 			if ((data_size + RTE_PKTMBUF_HEADROOM) >
1492 							mbuf_data_size[0]) {
1493 				mbuf_data_size[0] = data_size +
1494 						 RTE_PKTMBUF_HEADROOM;
1495 				warning = 1;
1496 			}
1497 		}
1498 	}
1499 
1500 	if (warning)
1501 		TESTPMD_LOG(WARNING,
1502 			    "Configured mbuf size of the first segment %hu\n",
1503 			    mbuf_data_size[0]);
1504 	/*
1505 	 * Create pools of mbuf.
1506 	 * If NUMA support is disabled, create a single pool of mbuf in
1507 	 * socket 0 memory by default.
1508 	 * Otherwise, create a pool of mbuf in the memory of sockets 0 and 1.
1509 	 *
1510 	 * Use the maximum value of nb_rxd and nb_txd here, then nb_rxd and
1511 	 * nb_txd can be configured at run time.
1512 	 */
1513 	if (param_total_num_mbufs)
1514 		nb_mbuf_per_pool = param_total_num_mbufs;
1515 	else {
1516 		nb_mbuf_per_pool = RTE_TEST_RX_DESC_MAX +
1517 			(nb_lcores * mb_mempool_cache) +
1518 			RTE_TEST_TX_DESC_MAX + MAX_PKT_BURST;
1519 		nb_mbuf_per_pool *= RTE_MAX_ETHPORTS;
1520 	}
1521 
1522 	if (numa_support) {
1523 		uint8_t i, j;
1524 
1525 		for (i = 0; i < num_sockets; i++)
1526 			for (j = 0; j < mbuf_data_size_n; j++)
1527 				mempools[i * MAX_SEGS_BUFFER_SPLIT + j] =
1528 					mbuf_pool_create(mbuf_data_size[j],
1529 							  nb_mbuf_per_pool,
1530 							  socket_ids[i], j);
1531 	} else {
1532 		uint8_t i;
1533 
1534 		for (i = 0; i < mbuf_data_size_n; i++)
1535 			mempools[i] = mbuf_pool_create
1536 					(mbuf_data_size[i],
1537 					 nb_mbuf_per_pool,
1538 					 socket_num == UMA_NO_CONFIG ?
1539 					 0 : socket_num, i);
1540 	}
1541 
1542 	init_port_config();
1543 
1544 	gso_types = DEV_TX_OFFLOAD_TCP_TSO | DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
1545 		DEV_TX_OFFLOAD_GRE_TNL_TSO | DEV_TX_OFFLOAD_UDP_TSO;
1546 	/*
1547 	 * Records which Mbuf pool to use by each logical core, if needed.
1548 	 */
1549 	for (lc_id = 0; lc_id < nb_lcores; lc_id++) {
1550 		mbp = mbuf_pool_find(
1551 			rte_lcore_to_socket_id(fwd_lcores_cpuids[lc_id]), 0);
1552 
1553 		if (mbp == NULL)
1554 			mbp = mbuf_pool_find(0, 0);
1555 		fwd_lcores[lc_id]->mbp = mbp;
1556 		/* initialize GSO context */
1557 		fwd_lcores[lc_id]->gso_ctx.direct_pool = mbp;
1558 		fwd_lcores[lc_id]->gso_ctx.indirect_pool = mbp;
1559 		fwd_lcores[lc_id]->gso_ctx.gso_types = gso_types;
1560 		fwd_lcores[lc_id]->gso_ctx.gso_size = RTE_ETHER_MAX_LEN -
1561 			RTE_ETHER_CRC_LEN;
1562 		fwd_lcores[lc_id]->gso_ctx.flag = 0;
1563 	}
1564 
1565 	/* Configuration of packet forwarding streams. */
1566 	if (init_fwd_streams() < 0)
1567 		rte_exit(EXIT_FAILURE, "FAIL from init_fwd_streams()\n");
1568 
1569 	fwd_config_setup();
1570 
1571 	/* create a gro context for each lcore */
1572 	gro_param.gro_types = RTE_GRO_TCP_IPV4;
1573 	gro_param.max_flow_num = GRO_MAX_FLUSH_CYCLES;
1574 	gro_param.max_item_per_flow = MAX_PKT_BURST;
1575 	for (lc_id = 0; lc_id < nb_lcores; lc_id++) {
1576 		gro_param.socket_id = rte_lcore_to_socket_id(
1577 				fwd_lcores_cpuids[lc_id]);
1578 		fwd_lcores[lc_id]->gro_ctx = rte_gro_ctx_create(&gro_param);
1579 		if (fwd_lcores[lc_id]->gro_ctx == NULL) {
1580 			rte_exit(EXIT_FAILURE,
1581 					"rte_gro_ctx_create() failed\n");
1582 		}
1583 	}
1584 }
1585 
1586 
1587 void
1588 reconfig(portid_t new_port_id, unsigned socket_id)
1589 {
1590 	struct rte_port *port;
1591 	int ret;
1592 
1593 	/* Reconfiguration of Ethernet ports. */
1594 	port = &ports[new_port_id];
1595 
1596 	ret = eth_dev_info_get_print_err(new_port_id, &port->dev_info);
1597 	if (ret != 0)
1598 		return;
1599 
1600 	/* set flag to initialize port/queue */
1601 	port->need_reconfig = 1;
1602 	port->need_reconfig_queues = 1;
1603 	port->socket_id = socket_id;
1604 
1605 	init_port_config();
1606 }
1607 
1608 
1609 int
1610 init_fwd_streams(void)
1611 {
1612 	portid_t pid;
1613 	struct rte_port *port;
1614 	streamid_t sm_id, nb_fwd_streams_new;
1615 	queueid_t q;
1616 
1617 	/* set socket id according to numa or not */
1618 	RTE_ETH_FOREACH_DEV(pid) {
1619 		port = &ports[pid];
1620 		if (nb_rxq > port->dev_info.max_rx_queues) {
1621 			printf("Fail: nb_rxq(%d) is greater than "
1622 				"max_rx_queues(%d)\n", nb_rxq,
1623 				port->dev_info.max_rx_queues);
1624 			return -1;
1625 		}
1626 		if (nb_txq > port->dev_info.max_tx_queues) {
1627 			printf("Fail: nb_txq(%d) is greater than "
1628 				"max_tx_queues(%d)\n", nb_txq,
1629 				port->dev_info.max_tx_queues);
1630 			return -1;
1631 		}
1632 		if (numa_support) {
1633 			if (port_numa[pid] != NUMA_NO_CONFIG)
1634 				port->socket_id = port_numa[pid];
1635 			else {
1636 				port->socket_id = rte_eth_dev_socket_id(pid);
1637 
1638 				/*
1639 				 * if socket_id is invalid,
1640 				 * set to the first available socket.
1641 				 */
1642 				if (check_socket_id(port->socket_id) < 0)
1643 					port->socket_id = socket_ids[0];
1644 			}
1645 		}
1646 		else {
1647 			if (socket_num == UMA_NO_CONFIG)
1648 				port->socket_id = 0;
1649 			else
1650 				port->socket_id = socket_num;
1651 		}
1652 	}
1653 
1654 	q = RTE_MAX(nb_rxq, nb_txq);
1655 	if (q == 0) {
1656 		printf("Fail: Cannot allocate fwd streams as number of queues is 0\n");
1657 		return -1;
1658 	}
1659 	nb_fwd_streams_new = (streamid_t)(nb_ports * q);
1660 	if (nb_fwd_streams_new == nb_fwd_streams)
1661 		return 0;
1662 	/* clear the old */
1663 	if (fwd_streams != NULL) {
1664 		for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) {
1665 			if (fwd_streams[sm_id] == NULL)
1666 				continue;
1667 			rte_free(fwd_streams[sm_id]);
1668 			fwd_streams[sm_id] = NULL;
1669 		}
1670 		rte_free(fwd_streams);
1671 		fwd_streams = NULL;
1672 	}
1673 
1674 	/* init new */
1675 	nb_fwd_streams = nb_fwd_streams_new;
1676 	if (nb_fwd_streams) {
1677 		fwd_streams = rte_zmalloc("testpmd: fwd_streams",
1678 			sizeof(struct fwd_stream *) * nb_fwd_streams,
1679 			RTE_CACHE_LINE_SIZE);
1680 		if (fwd_streams == NULL)
1681 			rte_exit(EXIT_FAILURE, "rte_zmalloc(%d"
1682 				 " (struct fwd_stream *)) failed\n",
1683 				 nb_fwd_streams);
1684 
1685 		for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) {
1686 			fwd_streams[sm_id] = rte_zmalloc("testpmd:"
1687 				" struct fwd_stream", sizeof(struct fwd_stream),
1688 				RTE_CACHE_LINE_SIZE);
1689 			if (fwd_streams[sm_id] == NULL)
1690 				rte_exit(EXIT_FAILURE, "rte_zmalloc"
1691 					 "(struct fwd_stream) failed\n");
1692 		}
1693 	}
1694 
1695 	return 0;
1696 }
1697 
1698 static void
1699 pkt_burst_stats_display(const char *rx_tx, struct pkt_burst_stats *pbs)
1700 {
1701 	uint64_t total_burst, sburst;
1702 	uint64_t nb_burst;
1703 	uint64_t burst_stats[4];
1704 	uint16_t pktnb_stats[4];
1705 	uint16_t nb_pkt;
1706 	int burst_percent[4], sburstp;
1707 	int i;
1708 
1709 	/*
1710 	 * First compute the total number of packet bursts and the
1711 	 * two highest numbers of bursts of the same number of packets.
1712 	 */
1713 	memset(&burst_stats, 0x0, sizeof(burst_stats));
1714 	memset(&pktnb_stats, 0x0, sizeof(pktnb_stats));
1715 
1716 	/* Show stats for 0 burst size always */
1717 	total_burst = pbs->pkt_burst_spread[0];
1718 	burst_stats[0] = pbs->pkt_burst_spread[0];
1719 	pktnb_stats[0] = 0;
1720 
1721 	/* Find the next 2 burst sizes with highest occurrences. */
1722 	for (nb_pkt = 1; nb_pkt < MAX_PKT_BURST; nb_pkt++) {
1723 		nb_burst = pbs->pkt_burst_spread[nb_pkt];
1724 
1725 		if (nb_burst == 0)
1726 			continue;
1727 
1728 		total_burst += nb_burst;
1729 
1730 		if (nb_burst > burst_stats[1]) {
1731 			burst_stats[2] = burst_stats[1];
1732 			pktnb_stats[2] = pktnb_stats[1];
1733 			burst_stats[1] = nb_burst;
1734 			pktnb_stats[1] = nb_pkt;
1735 		} else if (nb_burst > burst_stats[2]) {
1736 			burst_stats[2] = nb_burst;
1737 			pktnb_stats[2] = nb_pkt;
1738 		}
1739 	}
1740 	if (total_burst == 0)
1741 		return;
1742 
1743 	printf("  %s-bursts : %"PRIu64" [", rx_tx, total_burst);
1744 	for (i = 0, sburst = 0, sburstp = 0; i < 4; i++) {
1745 		if (i == 3) {
1746 			printf("%d%% of other]\n", 100 - sburstp);
1747 			return;
1748 		}
1749 
1750 		sburst += burst_stats[i];
1751 		if (sburst == total_burst) {
1752 			printf("%d%% of %d pkts]\n",
1753 				100 - sburstp, (int) pktnb_stats[i]);
1754 			return;
1755 		}
1756 
1757 		burst_percent[i] =
1758 			(double)burst_stats[i] / total_burst * 100;
1759 		printf("%d%% of %d pkts + ",
1760 			burst_percent[i], (int) pktnb_stats[i]);
1761 		sburstp += burst_percent[i];
1762 	}
1763 }
1764 
1765 static void
1766 fwd_stream_stats_display(streamid_t stream_id)
1767 {
1768 	struct fwd_stream *fs;
1769 	static const char *fwd_top_stats_border = "-------";
1770 
1771 	fs = fwd_streams[stream_id];
1772 	if ((fs->rx_packets == 0) && (fs->tx_packets == 0) &&
1773 	    (fs->fwd_dropped == 0))
1774 		return;
1775 	printf("\n  %s Forward Stats for RX Port=%2d/Queue=%2d -> "
1776 	       "TX Port=%2d/Queue=%2d %s\n",
1777 	       fwd_top_stats_border, fs->rx_port, fs->rx_queue,
1778 	       fs->tx_port, fs->tx_queue, fwd_top_stats_border);
1779 	printf("  RX-packets: %-14"PRIu64" TX-packets: %-14"PRIu64
1780 	       " TX-dropped: %-14"PRIu64,
1781 	       fs->rx_packets, fs->tx_packets, fs->fwd_dropped);
1782 
1783 	/* if checksum mode */
1784 	if (cur_fwd_eng == &csum_fwd_engine) {
1785 		printf("  RX- bad IP checksum: %-14"PRIu64
1786 		       "  Rx- bad L4 checksum: %-14"PRIu64
1787 		       " Rx- bad outer L4 checksum: %-14"PRIu64"\n",
1788 			fs->rx_bad_ip_csum, fs->rx_bad_l4_csum,
1789 			fs->rx_bad_outer_l4_csum);
1790 	} else {
1791 		printf("\n");
1792 	}
1793 
1794 	if (record_burst_stats) {
1795 		pkt_burst_stats_display("RX", &fs->rx_burst_stats);
1796 		pkt_burst_stats_display("TX", &fs->tx_burst_stats);
1797 	}
1798 }
1799 
1800 void
1801 fwd_stats_display(void)
1802 {
1803 	static const char *fwd_stats_border = "----------------------";
1804 	static const char *acc_stats_border = "+++++++++++++++";
1805 	struct {
1806 		struct fwd_stream *rx_stream;
1807 		struct fwd_stream *tx_stream;
1808 		uint64_t tx_dropped;
1809 		uint64_t rx_bad_ip_csum;
1810 		uint64_t rx_bad_l4_csum;
1811 		uint64_t rx_bad_outer_l4_csum;
1812 	} ports_stats[RTE_MAX_ETHPORTS];
1813 	uint64_t total_rx_dropped = 0;
1814 	uint64_t total_tx_dropped = 0;
1815 	uint64_t total_rx_nombuf = 0;
1816 	struct rte_eth_stats stats;
1817 	uint64_t fwd_cycles = 0;
1818 	uint64_t total_recv = 0;
1819 	uint64_t total_xmit = 0;
1820 	struct rte_port *port;
1821 	streamid_t sm_id;
1822 	portid_t pt_id;
1823 	int i;
1824 
1825 	memset(ports_stats, 0, sizeof(ports_stats));
1826 
1827 	for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) {
1828 		struct fwd_stream *fs = fwd_streams[sm_id];
1829 
1830 		if (cur_fwd_config.nb_fwd_streams >
1831 		    cur_fwd_config.nb_fwd_ports) {
1832 			fwd_stream_stats_display(sm_id);
1833 		} else {
1834 			ports_stats[fs->tx_port].tx_stream = fs;
1835 			ports_stats[fs->rx_port].rx_stream = fs;
1836 		}
1837 
1838 		ports_stats[fs->tx_port].tx_dropped += fs->fwd_dropped;
1839 
1840 		ports_stats[fs->rx_port].rx_bad_ip_csum += fs->rx_bad_ip_csum;
1841 		ports_stats[fs->rx_port].rx_bad_l4_csum += fs->rx_bad_l4_csum;
1842 		ports_stats[fs->rx_port].rx_bad_outer_l4_csum +=
1843 				fs->rx_bad_outer_l4_csum;
1844 
1845 		if (record_core_cycles)
1846 			fwd_cycles += fs->core_cycles;
1847 	}
1848 	for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {
1849 		pt_id = fwd_ports_ids[i];
1850 		port = &ports[pt_id];
1851 
1852 		rte_eth_stats_get(pt_id, &stats);
1853 		stats.ipackets -= port->stats.ipackets;
1854 		stats.opackets -= port->stats.opackets;
1855 		stats.ibytes -= port->stats.ibytes;
1856 		stats.obytes -= port->stats.obytes;
1857 		stats.imissed -= port->stats.imissed;
1858 		stats.oerrors -= port->stats.oerrors;
1859 		stats.rx_nombuf -= port->stats.rx_nombuf;
1860 
1861 		total_recv += stats.ipackets;
1862 		total_xmit += stats.opackets;
1863 		total_rx_dropped += stats.imissed;
1864 		total_tx_dropped += ports_stats[pt_id].tx_dropped;
1865 		total_tx_dropped += stats.oerrors;
1866 		total_rx_nombuf  += stats.rx_nombuf;
1867 
1868 		printf("\n  %s Forward statistics for port %-2d %s\n",
1869 		       fwd_stats_border, pt_id, fwd_stats_border);
1870 
1871 		printf("  RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64
1872 		       "RX-total: %-"PRIu64"\n", stats.ipackets, stats.imissed,
1873 		       stats.ipackets + stats.imissed);
1874 
1875 		if (cur_fwd_eng == &csum_fwd_engine)
1876 			printf("  Bad-ipcsum: %-14"PRIu64
1877 			       " Bad-l4csum: %-14"PRIu64
1878 			       "Bad-outer-l4csum: %-14"PRIu64"\n",
1879 			       ports_stats[pt_id].rx_bad_ip_csum,
1880 			       ports_stats[pt_id].rx_bad_l4_csum,
1881 			       ports_stats[pt_id].rx_bad_outer_l4_csum);
1882 		if (stats.ierrors + stats.rx_nombuf > 0) {
1883 			printf("  RX-error: %-"PRIu64"\n", stats.ierrors);
1884 			printf("  RX-nombufs: %-14"PRIu64"\n", stats.rx_nombuf);
1885 		}
1886 
1887 		printf("  TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64
1888 		       "TX-total: %-"PRIu64"\n",
1889 		       stats.opackets, ports_stats[pt_id].tx_dropped,
1890 		       stats.opackets + ports_stats[pt_id].tx_dropped);
1891 
1892 		if (record_burst_stats) {
1893 			if (ports_stats[pt_id].rx_stream)
1894 				pkt_burst_stats_display("RX",
1895 					&ports_stats[pt_id].rx_stream->rx_burst_stats);
1896 			if (ports_stats[pt_id].tx_stream)
1897 				pkt_burst_stats_display("TX",
1898 				&ports_stats[pt_id].tx_stream->tx_burst_stats);
1899 		}
1900 
1901 		printf("  %s--------------------------------%s\n",
1902 		       fwd_stats_border, fwd_stats_border);
1903 	}
1904 
1905 	printf("\n  %s Accumulated forward statistics for all ports"
1906 	       "%s\n",
1907 	       acc_stats_border, acc_stats_border);
1908 	printf("  RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: "
1909 	       "%-"PRIu64"\n"
1910 	       "  TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: "
1911 	       "%-"PRIu64"\n",
1912 	       total_recv, total_rx_dropped, total_recv + total_rx_dropped,
1913 	       total_xmit, total_tx_dropped, total_xmit + total_tx_dropped);
1914 	if (total_rx_nombuf > 0)
1915 		printf("  RX-nombufs: %-14"PRIu64"\n", total_rx_nombuf);
1916 	printf("  %s++++++++++++++++++++++++++++++++++++++++++++++"
1917 	       "%s\n",
1918 	       acc_stats_border, acc_stats_border);
1919 	if (record_core_cycles) {
1920 #define CYC_PER_MHZ 1E6
1921 		if (total_recv > 0 || total_xmit > 0) {
1922 			uint64_t total_pkts = 0;
1923 			if (strcmp(cur_fwd_eng->fwd_mode_name, "txonly") == 0 ||
1924 			    strcmp(cur_fwd_eng->fwd_mode_name, "flowgen") == 0)
1925 				total_pkts = total_xmit;
1926 			else
1927 				total_pkts = total_recv;
1928 
1929 			printf("\n  CPU cycles/packet=%.2F (total cycles="
1930 			       "%"PRIu64" / total %s packets=%"PRIu64") at %"PRIu64
1931 			       " MHz Clock\n",
1932 			       (double) fwd_cycles / total_pkts,
1933 			       fwd_cycles, cur_fwd_eng->fwd_mode_name, total_pkts,
1934 			       (uint64_t)(rte_get_tsc_hz() / CYC_PER_MHZ));
1935 		}
1936 	}
1937 }
1938 
1939 void
1940 fwd_stats_reset(void)
1941 {
1942 	streamid_t sm_id;
1943 	portid_t pt_id;
1944 	int i;
1945 
1946 	for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {
1947 		pt_id = fwd_ports_ids[i];
1948 		rte_eth_stats_get(pt_id, &ports[pt_id].stats);
1949 	}
1950 	for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) {
1951 		struct fwd_stream *fs = fwd_streams[sm_id];
1952 
1953 		fs->rx_packets = 0;
1954 		fs->tx_packets = 0;
1955 		fs->fwd_dropped = 0;
1956 		fs->rx_bad_ip_csum = 0;
1957 		fs->rx_bad_l4_csum = 0;
1958 		fs->rx_bad_outer_l4_csum = 0;
1959 
1960 		memset(&fs->rx_burst_stats, 0, sizeof(fs->rx_burst_stats));
1961 		memset(&fs->tx_burst_stats, 0, sizeof(fs->tx_burst_stats));
1962 		fs->core_cycles = 0;
1963 	}
1964 }
1965 
1966 static void
1967 flush_fwd_rx_queues(void)
1968 {
1969 	struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
1970 	portid_t  rxp;
1971 	portid_t port_id;
1972 	queueid_t rxq;
1973 	uint16_t  nb_rx;
1974 	uint16_t  i;
1975 	uint8_t   j;
1976 	uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
1977 	uint64_t timer_period;
1978 
1979 	/* convert to number of cycles */
1980 	timer_period = rte_get_timer_hz(); /* 1 second timeout */
1981 
1982 	for (j = 0; j < 2; j++) {
1983 		for (rxp = 0; rxp < cur_fwd_config.nb_fwd_ports; rxp++) {
1984 			for (rxq = 0; rxq < nb_rxq; rxq++) {
1985 				port_id = fwd_ports_ids[rxp];
1986 				/**
1987 				* testpmd can stuck in the below do while loop
1988 				* if rte_eth_rx_burst() always returns nonzero
1989 				* packets. So timer is added to exit this loop
1990 				* after 1sec timer expiry.
1991 				*/
1992 				prev_tsc = rte_rdtsc();
1993 				do {
1994 					nb_rx = rte_eth_rx_burst(port_id, rxq,
1995 						pkts_burst, MAX_PKT_BURST);
1996 					for (i = 0; i < nb_rx; i++)
1997 						rte_pktmbuf_free(pkts_burst[i]);
1998 
1999 					cur_tsc = rte_rdtsc();
2000 					diff_tsc = cur_tsc - prev_tsc;
2001 					timer_tsc += diff_tsc;
2002 				} while ((nb_rx > 0) &&
2003 					(timer_tsc < timer_period));
2004 				timer_tsc = 0;
2005 			}
2006 		}
2007 		rte_delay_ms(10); /* wait 10 milli-seconds before retrying */
2008 	}
2009 }
2010 
2011 static void
2012 run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd)
2013 {
2014 	struct fwd_stream **fsm;
2015 	streamid_t nb_fs;
2016 	streamid_t sm_id;
2017 #ifdef RTE_LIB_BITRATESTATS
2018 	uint64_t tics_per_1sec;
2019 	uint64_t tics_datum;
2020 	uint64_t tics_current;
2021 	uint16_t i, cnt_ports;
2022 
2023 	cnt_ports = nb_ports;
2024 	tics_datum = rte_rdtsc();
2025 	tics_per_1sec = rte_get_timer_hz();
2026 #endif
2027 	fsm = &fwd_streams[fc->stream_idx];
2028 	nb_fs = fc->stream_nb;
2029 	do {
2030 		for (sm_id = 0; sm_id < nb_fs; sm_id++)
2031 			(*pkt_fwd)(fsm[sm_id]);
2032 #ifdef RTE_LIB_BITRATESTATS
2033 		if (bitrate_enabled != 0 &&
2034 				bitrate_lcore_id == rte_lcore_id()) {
2035 			tics_current = rte_rdtsc();
2036 			if (tics_current - tics_datum >= tics_per_1sec) {
2037 				/* Periodic bitrate calculation */
2038 				for (i = 0; i < cnt_ports; i++)
2039 					rte_stats_bitrate_calc(bitrate_data,
2040 						ports_ids[i]);
2041 				tics_datum = tics_current;
2042 			}
2043 		}
2044 #endif
2045 #ifdef RTE_LIB_LATENCYSTATS
2046 		if (latencystats_enabled != 0 &&
2047 				latencystats_lcore_id == rte_lcore_id())
2048 			rte_latencystats_update();
2049 #endif
2050 
2051 	} while (! fc->stopped);
2052 }
2053 
2054 static int
2055 start_pkt_forward_on_core(void *fwd_arg)
2056 {
2057 	run_pkt_fwd_on_lcore((struct fwd_lcore *) fwd_arg,
2058 			     cur_fwd_config.fwd_eng->packet_fwd);
2059 	return 0;
2060 }
2061 
2062 /*
2063  * Run the TXONLY packet forwarding engine to send a single burst of packets.
2064  * Used to start communication flows in network loopback test configurations.
2065  */
2066 static int
2067 run_one_txonly_burst_on_core(void *fwd_arg)
2068 {
2069 	struct fwd_lcore *fwd_lc;
2070 	struct fwd_lcore tmp_lcore;
2071 
2072 	fwd_lc = (struct fwd_lcore *) fwd_arg;
2073 	tmp_lcore = *fwd_lc;
2074 	tmp_lcore.stopped = 1;
2075 	run_pkt_fwd_on_lcore(&tmp_lcore, tx_only_engine.packet_fwd);
2076 	return 0;
2077 }
2078 
2079 /*
2080  * Launch packet forwarding:
2081  *     - Setup per-port forwarding context.
2082  *     - launch logical cores with their forwarding configuration.
2083  */
2084 static void
2085 launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore)
2086 {
2087 	port_fwd_begin_t port_fwd_begin;
2088 	unsigned int i;
2089 	unsigned int lc_id;
2090 	int diag;
2091 
2092 	port_fwd_begin = cur_fwd_config.fwd_eng->port_fwd_begin;
2093 	if (port_fwd_begin != NULL) {
2094 		for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
2095 			(*port_fwd_begin)(fwd_ports_ids[i]);
2096 	}
2097 	for (i = 0; i < cur_fwd_config.nb_fwd_lcores; i++) {
2098 		lc_id = fwd_lcores_cpuids[i];
2099 		if ((interactive == 0) || (lc_id != rte_lcore_id())) {
2100 			fwd_lcores[i]->stopped = 0;
2101 			diag = rte_eal_remote_launch(pkt_fwd_on_lcore,
2102 						     fwd_lcores[i], lc_id);
2103 			if (diag != 0)
2104 				printf("launch lcore %u failed - diag=%d\n",
2105 				       lc_id, diag);
2106 		}
2107 	}
2108 }
2109 
2110 /*
2111  * Launch packet forwarding configuration.
2112  */
2113 void
2114 start_packet_forwarding(int with_tx_first)
2115 {
2116 	port_fwd_begin_t port_fwd_begin;
2117 	port_fwd_end_t  port_fwd_end;
2118 	struct rte_port *port;
2119 	unsigned int i;
2120 	portid_t   pt_id;
2121 
2122 	if (strcmp(cur_fwd_eng->fwd_mode_name, "rxonly") == 0 && !nb_rxq)
2123 		rte_exit(EXIT_FAILURE, "rxq are 0, cannot use rxonly fwd mode\n");
2124 
2125 	if (strcmp(cur_fwd_eng->fwd_mode_name, "txonly") == 0 && !nb_txq)
2126 		rte_exit(EXIT_FAILURE, "txq are 0, cannot use txonly fwd mode\n");
2127 
2128 	if ((strcmp(cur_fwd_eng->fwd_mode_name, "rxonly") != 0 &&
2129 		strcmp(cur_fwd_eng->fwd_mode_name, "txonly") != 0) &&
2130 		(!nb_rxq || !nb_txq))
2131 		rte_exit(EXIT_FAILURE,
2132 			"Either rxq or txq are 0, cannot use %s fwd mode\n",
2133 			cur_fwd_eng->fwd_mode_name);
2134 
2135 	if (all_ports_started() == 0) {
2136 		printf("Not all ports were started\n");
2137 		return;
2138 	}
2139 	if (test_done == 0) {
2140 		printf("Packet forwarding already started\n");
2141 		return;
2142 	}
2143 
2144 
2145 	if(dcb_test) {
2146 		for (i = 0; i < nb_fwd_ports; i++) {
2147 			pt_id = fwd_ports_ids[i];
2148 			port = &ports[pt_id];
2149 			if (!port->dcb_flag) {
2150 				printf("In DCB mode, all forwarding ports must "
2151                                        "be configured in this mode.\n");
2152 				return;
2153 			}
2154 		}
2155 		if (nb_fwd_lcores == 1) {
2156 			printf("In DCB mode,the nb forwarding cores "
2157                                "should be larger than 1.\n");
2158 			return;
2159 		}
2160 	}
2161 	test_done = 0;
2162 
2163 	fwd_config_setup();
2164 
2165 	if(!no_flush_rx)
2166 		flush_fwd_rx_queues();
2167 
2168 	pkt_fwd_config_display(&cur_fwd_config);
2169 	rxtx_config_display();
2170 
2171 	fwd_stats_reset();
2172 	if (with_tx_first) {
2173 		port_fwd_begin = tx_only_engine.port_fwd_begin;
2174 		if (port_fwd_begin != NULL) {
2175 			for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
2176 				(*port_fwd_begin)(fwd_ports_ids[i]);
2177 		}
2178 		while (with_tx_first--) {
2179 			launch_packet_forwarding(
2180 					run_one_txonly_burst_on_core);
2181 			rte_eal_mp_wait_lcore();
2182 		}
2183 		port_fwd_end = tx_only_engine.port_fwd_end;
2184 		if (port_fwd_end != NULL) {
2185 			for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
2186 				(*port_fwd_end)(fwd_ports_ids[i]);
2187 		}
2188 	}
2189 	launch_packet_forwarding(start_pkt_forward_on_core);
2190 }
2191 
2192 void
2193 stop_packet_forwarding(void)
2194 {
2195 	port_fwd_end_t port_fwd_end;
2196 	lcoreid_t lc_id;
2197 	portid_t pt_id;
2198 	int i;
2199 
2200 	if (test_done) {
2201 		printf("Packet forwarding not started\n");
2202 		return;
2203 	}
2204 	printf("Telling cores to stop...");
2205 	for (lc_id = 0; lc_id < cur_fwd_config.nb_fwd_lcores; lc_id++)
2206 		fwd_lcores[lc_id]->stopped = 1;
2207 	printf("\nWaiting for lcores to finish...\n");
2208 	rte_eal_mp_wait_lcore();
2209 	port_fwd_end = cur_fwd_config.fwd_eng->port_fwd_end;
2210 	if (port_fwd_end != NULL) {
2211 		for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {
2212 			pt_id = fwd_ports_ids[i];
2213 			(*port_fwd_end)(pt_id);
2214 		}
2215 	}
2216 
2217 	fwd_stats_display();
2218 
2219 	printf("\nDone.\n");
2220 	test_done = 1;
2221 }
2222 
2223 void
2224 dev_set_link_up(portid_t pid)
2225 {
2226 	if (rte_eth_dev_set_link_up(pid) < 0)
2227 		printf("\nSet link up fail.\n");
2228 }
2229 
2230 void
2231 dev_set_link_down(portid_t pid)
2232 {
2233 	if (rte_eth_dev_set_link_down(pid) < 0)
2234 		printf("\nSet link down fail.\n");
2235 }
2236 
2237 static int
2238 all_ports_started(void)
2239 {
2240 	portid_t pi;
2241 	struct rte_port *port;
2242 
2243 	RTE_ETH_FOREACH_DEV(pi) {
2244 		port = &ports[pi];
2245 		/* Check if there is a port which is not started */
2246 		if ((port->port_status != RTE_PORT_STARTED) &&
2247 			(port->slave_flag == 0))
2248 			return 0;
2249 	}
2250 
2251 	/* No port is not started */
2252 	return 1;
2253 }
2254 
2255 int
2256 port_is_stopped(portid_t port_id)
2257 {
2258 	struct rte_port *port = &ports[port_id];
2259 
2260 	if ((port->port_status != RTE_PORT_STOPPED) &&
2261 	    (port->slave_flag == 0))
2262 		return 0;
2263 	return 1;
2264 }
2265 
2266 int
2267 all_ports_stopped(void)
2268 {
2269 	portid_t pi;
2270 
2271 	RTE_ETH_FOREACH_DEV(pi) {
2272 		if (!port_is_stopped(pi))
2273 			return 0;
2274 	}
2275 
2276 	return 1;
2277 }
2278 
2279 int
2280 port_is_started(portid_t port_id)
2281 {
2282 	if (port_id_is_invalid(port_id, ENABLED_WARN))
2283 		return 0;
2284 
2285 	if (ports[port_id].port_status != RTE_PORT_STARTED)
2286 		return 0;
2287 
2288 	return 1;
2289 }
2290 
2291 /* Configure the Rx and Tx hairpin queues for the selected port. */
2292 static int
2293 setup_hairpin_queues(portid_t pi, portid_t p_pi, uint16_t cnt_pi)
2294 {
2295 	queueid_t qi;
2296 	struct rte_eth_hairpin_conf hairpin_conf = {
2297 		.peer_count = 1,
2298 	};
2299 	int i;
2300 	int diag;
2301 	struct rte_port *port = &ports[pi];
2302 	uint16_t peer_rx_port = pi;
2303 	uint16_t peer_tx_port = pi;
2304 	uint32_t manual = 1;
2305 	uint32_t tx_exp = hairpin_mode & 0x10;
2306 
2307 	if (!(hairpin_mode & 0xf)) {
2308 		peer_rx_port = pi;
2309 		peer_tx_port = pi;
2310 		manual = 0;
2311 	} else if (hairpin_mode & 0x1) {
2312 		peer_tx_port = rte_eth_find_next_owned_by(pi + 1,
2313 						       RTE_ETH_DEV_NO_OWNER);
2314 		if (peer_tx_port >= RTE_MAX_ETHPORTS)
2315 			peer_tx_port = rte_eth_find_next_owned_by(0,
2316 						RTE_ETH_DEV_NO_OWNER);
2317 		if (p_pi != RTE_MAX_ETHPORTS) {
2318 			peer_rx_port = p_pi;
2319 		} else {
2320 			uint16_t next_pi;
2321 
2322 			/* Last port will be the peer RX port of the first. */
2323 			RTE_ETH_FOREACH_DEV(next_pi)
2324 				peer_rx_port = next_pi;
2325 		}
2326 		manual = 1;
2327 	} else if (hairpin_mode & 0x2) {
2328 		if (cnt_pi & 0x1) {
2329 			peer_rx_port = p_pi;
2330 		} else {
2331 			peer_rx_port = rte_eth_find_next_owned_by(pi + 1,
2332 						RTE_ETH_DEV_NO_OWNER);
2333 			if (peer_rx_port >= RTE_MAX_ETHPORTS)
2334 				peer_rx_port = pi;
2335 		}
2336 		peer_tx_port = peer_rx_port;
2337 		manual = 1;
2338 	}
2339 
2340 	for (qi = nb_txq, i = 0; qi < nb_hairpinq + nb_txq; qi++) {
2341 		hairpin_conf.peers[0].port = peer_rx_port;
2342 		hairpin_conf.peers[0].queue = i + nb_rxq;
2343 		hairpin_conf.manual_bind = !!manual;
2344 		hairpin_conf.tx_explicit = !!tx_exp;
2345 		diag = rte_eth_tx_hairpin_queue_setup
2346 			(pi, qi, nb_txd, &hairpin_conf);
2347 		i++;
2348 		if (diag == 0)
2349 			continue;
2350 
2351 		/* Fail to setup rx queue, return */
2352 		if (rte_atomic16_cmpset(&(port->port_status),
2353 					RTE_PORT_HANDLING,
2354 					RTE_PORT_STOPPED) == 0)
2355 			printf("Port %d can not be set back "
2356 					"to stopped\n", pi);
2357 		printf("Fail to configure port %d hairpin "
2358 				"queues\n", pi);
2359 		/* try to reconfigure queues next time */
2360 		port->need_reconfig_queues = 1;
2361 		return -1;
2362 	}
2363 	for (qi = nb_rxq, i = 0; qi < nb_hairpinq + nb_rxq; qi++) {
2364 		hairpin_conf.peers[0].port = peer_tx_port;
2365 		hairpin_conf.peers[0].queue = i + nb_txq;
2366 		hairpin_conf.manual_bind = !!manual;
2367 		hairpin_conf.tx_explicit = !!tx_exp;
2368 		diag = rte_eth_rx_hairpin_queue_setup
2369 			(pi, qi, nb_rxd, &hairpin_conf);
2370 		i++;
2371 		if (diag == 0)
2372 			continue;
2373 
2374 		/* Fail to setup rx queue, return */
2375 		if (rte_atomic16_cmpset(&(port->port_status),
2376 					RTE_PORT_HANDLING,
2377 					RTE_PORT_STOPPED) == 0)
2378 			printf("Port %d can not be set back "
2379 					"to stopped\n", pi);
2380 		printf("Fail to configure port %d hairpin "
2381 				"queues\n", pi);
2382 		/* try to reconfigure queues next time */
2383 		port->need_reconfig_queues = 1;
2384 		return -1;
2385 	}
2386 	return 0;
2387 }
2388 
2389 /* Configure the Rx with optional split. */
2390 int
2391 rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
2392 	       uint16_t nb_rx_desc, unsigned int socket_id,
2393 	       struct rte_eth_rxconf *rx_conf, struct rte_mempool *mp)
2394 {
2395 	union rte_eth_rxseg rx_useg[MAX_SEGS_BUFFER_SPLIT] = {};
2396 	unsigned int i, mp_n;
2397 	int ret;
2398 
2399 	if (rx_pkt_nb_segs <= 1 ||
2400 	    (rx_conf->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) == 0) {
2401 		rx_conf->rx_seg = NULL;
2402 		rx_conf->rx_nseg = 0;
2403 		ret = rte_eth_rx_queue_setup(port_id, rx_queue_id,
2404 					     nb_rx_desc, socket_id,
2405 					     rx_conf, mp);
2406 		return ret;
2407 	}
2408 	for (i = 0; i < rx_pkt_nb_segs; i++) {
2409 		struct rte_eth_rxseg_split *rx_seg = &rx_useg[i].split;
2410 		struct rte_mempool *mpx;
2411 		/*
2412 		 * Use last valid pool for the segments with number
2413 		 * exceeding the pool index.
2414 		 */
2415 		mp_n = (i > mbuf_data_size_n) ? mbuf_data_size_n - 1 : i;
2416 		mpx = mbuf_pool_find(socket_id, mp_n);
2417 		/* Handle zero as mbuf data buffer size. */
2418 		rx_seg->length = rx_pkt_seg_lengths[i] ?
2419 				   rx_pkt_seg_lengths[i] :
2420 				   mbuf_data_size[mp_n];
2421 		rx_seg->offset = i < rx_pkt_nb_offs ?
2422 				   rx_pkt_seg_offsets[i] : 0;
2423 		rx_seg->mp = mpx ? mpx : mp;
2424 	}
2425 	rx_conf->rx_nseg = rx_pkt_nb_segs;
2426 	rx_conf->rx_seg = rx_useg;
2427 	ret = rte_eth_rx_queue_setup(port_id, rx_queue_id, nb_rx_desc,
2428 				    socket_id, rx_conf, NULL);
2429 	rx_conf->rx_seg = NULL;
2430 	rx_conf->rx_nseg = 0;
2431 	return ret;
2432 }
2433 
2434 int
2435 start_port(portid_t pid)
2436 {
2437 	int diag, need_check_link_status = -1;
2438 	portid_t pi;
2439 	portid_t p_pi = RTE_MAX_ETHPORTS;
2440 	portid_t pl[RTE_MAX_ETHPORTS];
2441 	portid_t peer_pl[RTE_MAX_ETHPORTS];
2442 	uint16_t cnt_pi = 0;
2443 	uint16_t cfg_pi = 0;
2444 	int peer_pi;
2445 	queueid_t qi;
2446 	struct rte_port *port;
2447 	struct rte_ether_addr mac_addr;
2448 	struct rte_eth_hairpin_cap cap;
2449 
2450 	if (port_id_is_invalid(pid, ENABLED_WARN))
2451 		return 0;
2452 
2453 	if(dcb_config)
2454 		dcb_test = 1;
2455 	RTE_ETH_FOREACH_DEV(pi) {
2456 		if (pid != pi && pid != (portid_t)RTE_PORT_ALL)
2457 			continue;
2458 
2459 		need_check_link_status = 0;
2460 		port = &ports[pi];
2461 		if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STOPPED,
2462 						 RTE_PORT_HANDLING) == 0) {
2463 			printf("Port %d is now not stopped\n", pi);
2464 			continue;
2465 		}
2466 
2467 		if (port->need_reconfig > 0) {
2468 			port->need_reconfig = 0;
2469 
2470 			if (flow_isolate_all) {
2471 				int ret = port_flow_isolate(pi, 1);
2472 				if (ret) {
2473 					printf("Failed to apply isolated"
2474 					       " mode on port %d\n", pi);
2475 					return -1;
2476 				}
2477 			}
2478 			configure_rxtx_dump_callbacks(0);
2479 			printf("Configuring Port %d (socket %u)\n", pi,
2480 					port->socket_id);
2481 			if (nb_hairpinq > 0 &&
2482 			    rte_eth_dev_hairpin_capability_get(pi, &cap)) {
2483 				printf("Port %d doesn't support hairpin "
2484 				       "queues\n", pi);
2485 				return -1;
2486 			}
2487 			/* configure port */
2488 			diag = rte_eth_dev_configure(pi, nb_rxq + nb_hairpinq,
2489 						     nb_txq + nb_hairpinq,
2490 						     &(port->dev_conf));
2491 			if (diag != 0) {
2492 				if (rte_atomic16_cmpset(&(port->port_status),
2493 				RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0)
2494 					printf("Port %d can not be set back "
2495 							"to stopped\n", pi);
2496 				printf("Fail to configure port %d\n", pi);
2497 				/* try to reconfigure port next time */
2498 				port->need_reconfig = 1;
2499 				return -1;
2500 			}
2501 		}
2502 		if (port->need_reconfig_queues > 0) {
2503 			port->need_reconfig_queues = 0;
2504 			/* setup tx queues */
2505 			for (qi = 0; qi < nb_txq; qi++) {
2506 				if ((numa_support) &&
2507 					(txring_numa[pi] != NUMA_NO_CONFIG))
2508 					diag = rte_eth_tx_queue_setup(pi, qi,
2509 						port->nb_tx_desc[qi],
2510 						txring_numa[pi],
2511 						&(port->tx_conf[qi]));
2512 				else
2513 					diag = rte_eth_tx_queue_setup(pi, qi,
2514 						port->nb_tx_desc[qi],
2515 						port->socket_id,
2516 						&(port->tx_conf[qi]));
2517 
2518 				if (diag == 0)
2519 					continue;
2520 
2521 				/* Fail to setup tx queue, return */
2522 				if (rte_atomic16_cmpset(&(port->port_status),
2523 							RTE_PORT_HANDLING,
2524 							RTE_PORT_STOPPED) == 0)
2525 					printf("Port %d can not be set back "
2526 							"to stopped\n", pi);
2527 				printf("Fail to configure port %d tx queues\n",
2528 				       pi);
2529 				/* try to reconfigure queues next time */
2530 				port->need_reconfig_queues = 1;
2531 				return -1;
2532 			}
2533 			for (qi = 0; qi < nb_rxq; qi++) {
2534 				/* setup rx queues */
2535 				if ((numa_support) &&
2536 					(rxring_numa[pi] != NUMA_NO_CONFIG)) {
2537 					struct rte_mempool * mp =
2538 						mbuf_pool_find
2539 							(rxring_numa[pi], 0);
2540 					if (mp == NULL) {
2541 						printf("Failed to setup RX queue:"
2542 							"No mempool allocation"
2543 							" on the socket %d\n",
2544 							rxring_numa[pi]);
2545 						return -1;
2546 					}
2547 
2548 					diag = rx_queue_setup(pi, qi,
2549 					     port->nb_rx_desc[qi],
2550 					     rxring_numa[pi],
2551 					     &(port->rx_conf[qi]),
2552 					     mp);
2553 				} else {
2554 					struct rte_mempool *mp =
2555 						mbuf_pool_find
2556 							(port->socket_id, 0);
2557 					if (mp == NULL) {
2558 						printf("Failed to setup RX queue:"
2559 							"No mempool allocation"
2560 							" on the socket %d\n",
2561 							port->socket_id);
2562 						return -1;
2563 					}
2564 					diag = rx_queue_setup(pi, qi,
2565 					     port->nb_rx_desc[qi],
2566 					     port->socket_id,
2567 					     &(port->rx_conf[qi]),
2568 					     mp);
2569 				}
2570 				if (diag == 0)
2571 					continue;
2572 
2573 				/* Fail to setup rx queue, return */
2574 				if (rte_atomic16_cmpset(&(port->port_status),
2575 							RTE_PORT_HANDLING,
2576 							RTE_PORT_STOPPED) == 0)
2577 					printf("Port %d can not be set back "
2578 							"to stopped\n", pi);
2579 				printf("Fail to configure port %d rx queues\n",
2580 				       pi);
2581 				/* try to reconfigure queues next time */
2582 				port->need_reconfig_queues = 1;
2583 				return -1;
2584 			}
2585 			/* setup hairpin queues */
2586 			if (setup_hairpin_queues(pi, p_pi, cnt_pi) != 0)
2587 				return -1;
2588 		}
2589 		configure_rxtx_dump_callbacks(verbose_level);
2590 		if (clear_ptypes) {
2591 			diag = rte_eth_dev_set_ptypes(pi, RTE_PTYPE_UNKNOWN,
2592 					NULL, 0);
2593 			if (diag < 0)
2594 				printf(
2595 				"Port %d: Failed to disable Ptype parsing\n",
2596 				pi);
2597 		}
2598 
2599 		p_pi = pi;
2600 		cnt_pi++;
2601 
2602 		/* start port */
2603 		if (rte_eth_dev_start(pi) < 0) {
2604 			printf("Fail to start port %d\n", pi);
2605 
2606 			/* Fail to setup rx queue, return */
2607 			if (rte_atomic16_cmpset(&(port->port_status),
2608 				RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0)
2609 				printf("Port %d can not be set back to "
2610 							"stopped\n", pi);
2611 			continue;
2612 		}
2613 
2614 		if (rte_atomic16_cmpset(&(port->port_status),
2615 			RTE_PORT_HANDLING, RTE_PORT_STARTED) == 0)
2616 			printf("Port %d can not be set into started\n", pi);
2617 
2618 		if (eth_macaddr_get_print_err(pi, &mac_addr) == 0)
2619 			printf("Port %d: %02X:%02X:%02X:%02X:%02X:%02X\n", pi,
2620 				mac_addr.addr_bytes[0], mac_addr.addr_bytes[1],
2621 				mac_addr.addr_bytes[2], mac_addr.addr_bytes[3],
2622 				mac_addr.addr_bytes[4], mac_addr.addr_bytes[5]);
2623 
2624 		/* at least one port started, need checking link status */
2625 		need_check_link_status = 1;
2626 
2627 		pl[cfg_pi++] = pi;
2628 	}
2629 
2630 	if (need_check_link_status == 1 && !no_link_check)
2631 		check_all_ports_link_status(RTE_PORT_ALL);
2632 	else if (need_check_link_status == 0)
2633 		printf("Please stop the ports first\n");
2634 
2635 	if (hairpin_mode & 0xf) {
2636 		uint16_t i;
2637 		int j;
2638 
2639 		/* bind all started hairpin ports */
2640 		for (i = 0; i < cfg_pi; i++) {
2641 			pi = pl[i];
2642 			/* bind current Tx to all peer Rx */
2643 			peer_pi = rte_eth_hairpin_get_peer_ports(pi, peer_pl,
2644 							RTE_MAX_ETHPORTS, 1);
2645 			if (peer_pi < 0)
2646 				return peer_pi;
2647 			for (j = 0; j < peer_pi; j++) {
2648 				if (!port_is_started(peer_pl[j]))
2649 					continue;
2650 				diag = rte_eth_hairpin_bind(pi, peer_pl[j]);
2651 				if (diag < 0) {
2652 					printf("Error during binding hairpin"
2653 					       " Tx port %u to %u: %s\n",
2654 					       pi, peer_pl[j],
2655 					       rte_strerror(-diag));
2656 					return -1;
2657 				}
2658 			}
2659 			/* bind all peer Tx to current Rx */
2660 			peer_pi = rte_eth_hairpin_get_peer_ports(pi, peer_pl,
2661 							RTE_MAX_ETHPORTS, 0);
2662 			if (peer_pi < 0)
2663 				return peer_pi;
2664 			for (j = 0; j < peer_pi; j++) {
2665 				if (!port_is_started(peer_pl[j]))
2666 					continue;
2667 				diag = rte_eth_hairpin_bind(peer_pl[j], pi);
2668 				if (diag < 0) {
2669 					printf("Error during binding hairpin"
2670 					       " Tx port %u to %u: %s\n",
2671 					       peer_pl[j], pi,
2672 					       rte_strerror(-diag));
2673 					return -1;
2674 				}
2675 			}
2676 		}
2677 	}
2678 
2679 	printf("Done\n");
2680 	return 0;
2681 }
2682 
2683 void
2684 stop_port(portid_t pid)
2685 {
2686 	portid_t pi;
2687 	struct rte_port *port;
2688 	int need_check_link_status = 0;
2689 	portid_t peer_pl[RTE_MAX_ETHPORTS];
2690 	int peer_pi;
2691 
2692 	if (dcb_test) {
2693 		dcb_test = 0;
2694 		dcb_config = 0;
2695 	}
2696 
2697 	if (port_id_is_invalid(pid, ENABLED_WARN))
2698 		return;
2699 
2700 	printf("Stopping ports...\n");
2701 
2702 	RTE_ETH_FOREACH_DEV(pi) {
2703 		if (pid != pi && pid != (portid_t)RTE_PORT_ALL)
2704 			continue;
2705 
2706 		if (port_is_forwarding(pi) != 0 && test_done == 0) {
2707 			printf("Please remove port %d from forwarding configuration.\n", pi);
2708 			continue;
2709 		}
2710 
2711 		if (port_is_bonding_slave(pi)) {
2712 			printf("Please remove port %d from bonded device.\n", pi);
2713 			continue;
2714 		}
2715 
2716 		port = &ports[pi];
2717 		if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STARTED,
2718 						RTE_PORT_HANDLING) == 0)
2719 			continue;
2720 
2721 		if (hairpin_mode & 0xf) {
2722 			int j;
2723 
2724 			rte_eth_hairpin_unbind(pi, RTE_MAX_ETHPORTS);
2725 			/* unbind all peer Tx from current Rx */
2726 			peer_pi = rte_eth_hairpin_get_peer_ports(pi, peer_pl,
2727 							RTE_MAX_ETHPORTS, 0);
2728 			if (peer_pi < 0)
2729 				continue;
2730 			for (j = 0; j < peer_pi; j++) {
2731 				if (!port_is_started(peer_pl[j]))
2732 					continue;
2733 				rte_eth_hairpin_unbind(peer_pl[j], pi);
2734 			}
2735 		}
2736 
2737 		if (rte_eth_dev_stop(pi) != 0)
2738 			RTE_LOG(ERR, EAL, "rte_eth_dev_stop failed for port %u\n",
2739 				pi);
2740 
2741 		if (rte_atomic16_cmpset(&(port->port_status),
2742 			RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0)
2743 			printf("Port %d can not be set into stopped\n", pi);
2744 		need_check_link_status = 1;
2745 	}
2746 	if (need_check_link_status && !no_link_check)
2747 		check_all_ports_link_status(RTE_PORT_ALL);
2748 
2749 	printf("Done\n");
2750 }
2751 
2752 static void
2753 remove_invalid_ports_in(portid_t *array, portid_t *total)
2754 {
2755 	portid_t i;
2756 	portid_t new_total = 0;
2757 
2758 	for (i = 0; i < *total; i++)
2759 		if (!port_id_is_invalid(array[i], DISABLED_WARN)) {
2760 			array[new_total] = array[i];
2761 			new_total++;
2762 		}
2763 	*total = new_total;
2764 }
2765 
2766 static void
2767 remove_invalid_ports(void)
2768 {
2769 	remove_invalid_ports_in(ports_ids, &nb_ports);
2770 	remove_invalid_ports_in(fwd_ports_ids, &nb_fwd_ports);
2771 	nb_cfg_ports = nb_fwd_ports;
2772 }
2773 
2774 void
2775 close_port(portid_t pid)
2776 {
2777 	portid_t pi;
2778 	struct rte_port *port;
2779 
2780 	if (port_id_is_invalid(pid, ENABLED_WARN))
2781 		return;
2782 
2783 	printf("Closing ports...\n");
2784 
2785 	RTE_ETH_FOREACH_DEV(pi) {
2786 		if (pid != pi && pid != (portid_t)RTE_PORT_ALL)
2787 			continue;
2788 
2789 		if (port_is_forwarding(pi) != 0 && test_done == 0) {
2790 			printf("Please remove port %d from forwarding configuration.\n", pi);
2791 			continue;
2792 		}
2793 
2794 		if (port_is_bonding_slave(pi)) {
2795 			printf("Please remove port %d from bonded device.\n", pi);
2796 			continue;
2797 		}
2798 
2799 		port = &ports[pi];
2800 		if (rte_atomic16_cmpset(&(port->port_status),
2801 			RTE_PORT_CLOSED, RTE_PORT_CLOSED) == 1) {
2802 			printf("Port %d is already closed\n", pi);
2803 			continue;
2804 		}
2805 
2806 		port_flow_flush(pi);
2807 		rte_eth_dev_close(pi);
2808 	}
2809 
2810 	remove_invalid_ports();
2811 	printf("Done\n");
2812 }
2813 
2814 void
2815 reset_port(portid_t pid)
2816 {
2817 	int diag;
2818 	portid_t pi;
2819 	struct rte_port *port;
2820 
2821 	if (port_id_is_invalid(pid, ENABLED_WARN))
2822 		return;
2823 
2824 	if ((pid == (portid_t)RTE_PORT_ALL && !all_ports_stopped()) ||
2825 		(pid != (portid_t)RTE_PORT_ALL && !port_is_stopped(pid))) {
2826 		printf("Can not reset port(s), please stop port(s) first.\n");
2827 		return;
2828 	}
2829 
2830 	printf("Resetting ports...\n");
2831 
2832 	RTE_ETH_FOREACH_DEV(pi) {
2833 		if (pid != pi && pid != (portid_t)RTE_PORT_ALL)
2834 			continue;
2835 
2836 		if (port_is_forwarding(pi) != 0 && test_done == 0) {
2837 			printf("Please remove port %d from forwarding "
2838 			       "configuration.\n", pi);
2839 			continue;
2840 		}
2841 
2842 		if (port_is_bonding_slave(pi)) {
2843 			printf("Please remove port %d from bonded device.\n",
2844 			       pi);
2845 			continue;
2846 		}
2847 
2848 		diag = rte_eth_dev_reset(pi);
2849 		if (diag == 0) {
2850 			port = &ports[pi];
2851 			port->need_reconfig = 1;
2852 			port->need_reconfig_queues = 1;
2853 		} else {
2854 			printf("Failed to reset port %d. diag=%d\n", pi, diag);
2855 		}
2856 	}
2857 
2858 	printf("Done\n");
2859 }
2860 
2861 void
2862 attach_port(char *identifier)
2863 {
2864 	portid_t pi;
2865 	struct rte_dev_iterator iterator;
2866 
2867 	printf("Attaching a new port...\n");
2868 
2869 	if (identifier == NULL) {
2870 		printf("Invalid parameters are specified\n");
2871 		return;
2872 	}
2873 
2874 	if (rte_dev_probe(identifier) < 0) {
2875 		TESTPMD_LOG(ERR, "Failed to attach port %s\n", identifier);
2876 		return;
2877 	}
2878 
2879 	/* first attach mode: event */
2880 	if (setup_on_probe_event) {
2881 		/* new ports are detected on RTE_ETH_EVENT_NEW event */
2882 		for (pi = 0; pi < RTE_MAX_ETHPORTS; pi++)
2883 			if (ports[pi].port_status == RTE_PORT_HANDLING &&
2884 					ports[pi].need_setup != 0)
2885 				setup_attached_port(pi);
2886 		return;
2887 	}
2888 
2889 	/* second attach mode: iterator */
2890 	RTE_ETH_FOREACH_MATCHING_DEV(pi, identifier, &iterator) {
2891 		/* setup ports matching the devargs used for probing */
2892 		if (port_is_forwarding(pi))
2893 			continue; /* port was already attached before */
2894 		setup_attached_port(pi);
2895 	}
2896 }
2897 
2898 static void
2899 setup_attached_port(portid_t pi)
2900 {
2901 	unsigned int socket_id;
2902 	int ret;
2903 
2904 	socket_id = (unsigned)rte_eth_dev_socket_id(pi);
2905 	/* if socket_id is invalid, set to the first available socket. */
2906 	if (check_socket_id(socket_id) < 0)
2907 		socket_id = socket_ids[0];
2908 	reconfig(pi, socket_id);
2909 	ret = rte_eth_promiscuous_enable(pi);
2910 	if (ret != 0)
2911 		printf("Error during enabling promiscuous mode for port %u: %s - ignore\n",
2912 			pi, rte_strerror(-ret));
2913 
2914 	ports_ids[nb_ports++] = pi;
2915 	fwd_ports_ids[nb_fwd_ports++] = pi;
2916 	nb_cfg_ports = nb_fwd_ports;
2917 	ports[pi].need_setup = 0;
2918 	ports[pi].port_status = RTE_PORT_STOPPED;
2919 
2920 	printf("Port %d is attached. Now total ports is %d\n", pi, nb_ports);
2921 	printf("Done\n");
2922 }
2923 
2924 static void
2925 detach_device(struct rte_device *dev)
2926 {
2927 	portid_t sibling;
2928 
2929 	if (dev == NULL) {
2930 		printf("Device already removed\n");
2931 		return;
2932 	}
2933 
2934 	printf("Removing a device...\n");
2935 
2936 	RTE_ETH_FOREACH_DEV_OF(sibling, dev) {
2937 		if (ports[sibling].port_status != RTE_PORT_CLOSED) {
2938 			if (ports[sibling].port_status != RTE_PORT_STOPPED) {
2939 				printf("Port %u not stopped\n", sibling);
2940 				return;
2941 			}
2942 			port_flow_flush(sibling);
2943 		}
2944 	}
2945 
2946 	if (rte_dev_remove(dev) < 0) {
2947 		TESTPMD_LOG(ERR, "Failed to detach device %s\n", dev->name);
2948 		return;
2949 	}
2950 	remove_invalid_ports();
2951 
2952 	printf("Device is detached\n");
2953 	printf("Now total ports is %d\n", nb_ports);
2954 	printf("Done\n");
2955 	return;
2956 }
2957 
2958 void
2959 detach_port_device(portid_t port_id)
2960 {
2961 	if (port_id_is_invalid(port_id, ENABLED_WARN))
2962 		return;
2963 
2964 	if (ports[port_id].port_status != RTE_PORT_CLOSED) {
2965 		if (ports[port_id].port_status != RTE_PORT_STOPPED) {
2966 			printf("Port not stopped\n");
2967 			return;
2968 		}
2969 		printf("Port was not closed\n");
2970 	}
2971 
2972 	detach_device(rte_eth_devices[port_id].device);
2973 }
2974 
2975 void
2976 detach_devargs(char *identifier)
2977 {
2978 	struct rte_dev_iterator iterator;
2979 	struct rte_devargs da;
2980 	portid_t port_id;
2981 
2982 	printf("Removing a device...\n");
2983 
2984 	memset(&da, 0, sizeof(da));
2985 	if (rte_devargs_parsef(&da, "%s", identifier)) {
2986 		printf("cannot parse identifier\n");
2987 		if (da.args)
2988 			free(da.args);
2989 		return;
2990 	}
2991 
2992 	RTE_ETH_FOREACH_MATCHING_DEV(port_id, identifier, &iterator) {
2993 		if (ports[port_id].port_status != RTE_PORT_CLOSED) {
2994 			if (ports[port_id].port_status != RTE_PORT_STOPPED) {
2995 				printf("Port %u not stopped\n", port_id);
2996 				rte_eth_iterator_cleanup(&iterator);
2997 				return;
2998 			}
2999 			port_flow_flush(port_id);
3000 		}
3001 	}
3002 
3003 	if (rte_eal_hotplug_remove(da.bus->name, da.name) != 0) {
3004 		TESTPMD_LOG(ERR, "Failed to detach device %s(%s)\n",
3005 			    da.name, da.bus->name);
3006 		return;
3007 	}
3008 
3009 	remove_invalid_ports();
3010 
3011 	printf("Device %s is detached\n", identifier);
3012 	printf("Now total ports is %d\n", nb_ports);
3013 	printf("Done\n");
3014 }
3015 
3016 void
3017 pmd_test_exit(void)
3018 {
3019 	portid_t pt_id;
3020 	unsigned int i;
3021 	int ret;
3022 
3023 	if (test_done == 0)
3024 		stop_packet_forwarding();
3025 
3026 	for (i = 0 ; i < RTE_DIM(mempools) ; i++) {
3027 		if (mempools[i]) {
3028 			if (mp_alloc_type == MP_ALLOC_ANON)
3029 				rte_mempool_mem_iter(mempools[i], dma_unmap_cb,
3030 						     NULL);
3031 		}
3032 	}
3033 	if (ports != NULL) {
3034 		no_link_check = 1;
3035 		RTE_ETH_FOREACH_DEV(pt_id) {
3036 			printf("\nStopping port %d...\n", pt_id);
3037 			fflush(stdout);
3038 			stop_port(pt_id);
3039 		}
3040 		RTE_ETH_FOREACH_DEV(pt_id) {
3041 			printf("\nShutting down port %d...\n", pt_id);
3042 			fflush(stdout);
3043 			close_port(pt_id);
3044 		}
3045 	}
3046 
3047 	if (hot_plug) {
3048 		ret = rte_dev_event_monitor_stop();
3049 		if (ret) {
3050 			RTE_LOG(ERR, EAL,
3051 				"fail to stop device event monitor.");
3052 			return;
3053 		}
3054 
3055 		ret = rte_dev_event_callback_unregister(NULL,
3056 			dev_event_callback, NULL);
3057 		if (ret < 0) {
3058 			RTE_LOG(ERR, EAL,
3059 				"fail to unregister device event callback.\n");
3060 			return;
3061 		}
3062 
3063 		ret = rte_dev_hotplug_handle_disable();
3064 		if (ret) {
3065 			RTE_LOG(ERR, EAL,
3066 				"fail to disable hotplug handling.\n");
3067 			return;
3068 		}
3069 	}
3070 	for (i = 0 ; i < RTE_DIM(mempools) ; i++) {
3071 		if (mempools[i])
3072 			rte_mempool_free(mempools[i]);
3073 	}
3074 
3075 	printf("\nBye...\n");
3076 }
3077 
3078 typedef void (*cmd_func_t)(void);
3079 struct pmd_test_command {
3080 	const char *cmd_name;
3081 	cmd_func_t cmd_func;
3082 };
3083 
3084 /* Check the link status of all ports in up to 9s, and print them finally */
3085 static void
3086 check_all_ports_link_status(uint32_t port_mask)
3087 {
3088 #define CHECK_INTERVAL 100 /* 100ms */
3089 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
3090 	portid_t portid;
3091 	uint8_t count, all_ports_up, print_flag = 0;
3092 	struct rte_eth_link link;
3093 	int ret;
3094 	char link_status[RTE_ETH_LINK_MAX_STR_LEN];
3095 
3096 	printf("Checking link statuses...\n");
3097 	fflush(stdout);
3098 	for (count = 0; count <= MAX_CHECK_TIME; count++) {
3099 		all_ports_up = 1;
3100 		RTE_ETH_FOREACH_DEV(portid) {
3101 			if ((port_mask & (1 << portid)) == 0)
3102 				continue;
3103 			memset(&link, 0, sizeof(link));
3104 			ret = rte_eth_link_get_nowait(portid, &link);
3105 			if (ret < 0) {
3106 				all_ports_up = 0;
3107 				if (print_flag == 1)
3108 					printf("Port %u link get failed: %s\n",
3109 						portid, rte_strerror(-ret));
3110 				continue;
3111 			}
3112 			/* print link status if flag set */
3113 			if (print_flag == 1) {
3114 				rte_eth_link_to_str(link_status,
3115 					sizeof(link_status), &link);
3116 				printf("Port %d %s\n", portid, link_status);
3117 				continue;
3118 			}
3119 			/* clear all_ports_up flag if any link down */
3120 			if (link.link_status == ETH_LINK_DOWN) {
3121 				all_ports_up = 0;
3122 				break;
3123 			}
3124 		}
3125 		/* after finally printing all link status, get out */
3126 		if (print_flag == 1)
3127 			break;
3128 
3129 		if (all_ports_up == 0) {
3130 			fflush(stdout);
3131 			rte_delay_ms(CHECK_INTERVAL);
3132 		}
3133 
3134 		/* set the print_flag if all ports up or timeout */
3135 		if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
3136 			print_flag = 1;
3137 		}
3138 
3139 		if (lsc_interrupt)
3140 			break;
3141 	}
3142 }
3143 
3144 static void
3145 rmv_port_callback(void *arg)
3146 {
3147 	int need_to_start = 0;
3148 	int org_no_link_check = no_link_check;
3149 	portid_t port_id = (intptr_t)arg;
3150 	struct rte_device *dev;
3151 
3152 	RTE_ETH_VALID_PORTID_OR_RET(port_id);
3153 
3154 	if (!test_done && port_is_forwarding(port_id)) {
3155 		need_to_start = 1;
3156 		stop_packet_forwarding();
3157 	}
3158 	no_link_check = 1;
3159 	stop_port(port_id);
3160 	no_link_check = org_no_link_check;
3161 
3162 	/* Save rte_device pointer before closing ethdev port */
3163 	dev = rte_eth_devices[port_id].device;
3164 	close_port(port_id);
3165 	detach_device(dev); /* might be already removed or have more ports */
3166 
3167 	if (need_to_start)
3168 		start_packet_forwarding(0);
3169 }
3170 
3171 /* This function is used by the interrupt thread */
3172 static int
3173 eth_event_callback(portid_t port_id, enum rte_eth_event_type type, void *param,
3174 		  void *ret_param)
3175 {
3176 	RTE_SET_USED(param);
3177 	RTE_SET_USED(ret_param);
3178 
3179 	if (type >= RTE_ETH_EVENT_MAX) {
3180 		fprintf(stderr, "\nPort %" PRIu16 ": %s called upon invalid event %d\n",
3181 			port_id, __func__, type);
3182 		fflush(stderr);
3183 	} else if (event_print_mask & (UINT32_C(1) << type)) {
3184 		printf("\nPort %" PRIu16 ": %s event\n", port_id,
3185 			eth_event_desc[type]);
3186 		fflush(stdout);
3187 	}
3188 
3189 	switch (type) {
3190 	case RTE_ETH_EVENT_NEW:
3191 		ports[port_id].need_setup = 1;
3192 		ports[port_id].port_status = RTE_PORT_HANDLING;
3193 		break;
3194 	case RTE_ETH_EVENT_INTR_RMV:
3195 		if (port_id_is_invalid(port_id, DISABLED_WARN))
3196 			break;
3197 		if (rte_eal_alarm_set(100000,
3198 				rmv_port_callback, (void *)(intptr_t)port_id))
3199 			fprintf(stderr, "Could not set up deferred device removal\n");
3200 		break;
3201 	case RTE_ETH_EVENT_DESTROY:
3202 		ports[port_id].port_status = RTE_PORT_CLOSED;
3203 		printf("Port %u is closed\n", port_id);
3204 		break;
3205 	default:
3206 		break;
3207 	}
3208 	return 0;
3209 }
3210 
3211 static int
3212 register_eth_event_callback(void)
3213 {
3214 	int ret;
3215 	enum rte_eth_event_type event;
3216 
3217 	for (event = RTE_ETH_EVENT_UNKNOWN;
3218 			event < RTE_ETH_EVENT_MAX; event++) {
3219 		ret = rte_eth_dev_callback_register(RTE_ETH_ALL,
3220 				event,
3221 				eth_event_callback,
3222 				NULL);
3223 		if (ret != 0) {
3224 			TESTPMD_LOG(ERR, "Failed to register callback for "
3225 					"%s event\n", eth_event_desc[event]);
3226 			return -1;
3227 		}
3228 	}
3229 
3230 	return 0;
3231 }
3232 
3233 /* This function is used by the interrupt thread */
3234 static void
3235 dev_event_callback(const char *device_name, enum rte_dev_event_type type,
3236 			     __rte_unused void *arg)
3237 {
3238 	uint16_t port_id;
3239 	int ret;
3240 
3241 	if (type >= RTE_DEV_EVENT_MAX) {
3242 		fprintf(stderr, "%s called upon invalid event %d\n",
3243 			__func__, type);
3244 		fflush(stderr);
3245 	}
3246 
3247 	switch (type) {
3248 	case RTE_DEV_EVENT_REMOVE:
3249 		RTE_LOG(DEBUG, EAL, "The device: %s has been removed!\n",
3250 			device_name);
3251 		ret = rte_eth_dev_get_port_by_name(device_name, &port_id);
3252 		if (ret) {
3253 			RTE_LOG(ERR, EAL, "can not get port by device %s!\n",
3254 				device_name);
3255 			return;
3256 		}
3257 		/*
3258 		 * Because the user's callback is invoked in eal interrupt
3259 		 * callback, the interrupt callback need to be finished before
3260 		 * it can be unregistered when detaching device. So finish
3261 		 * callback soon and use a deferred removal to detach device
3262 		 * is need. It is a workaround, once the device detaching be
3263 		 * moved into the eal in the future, the deferred removal could
3264 		 * be deleted.
3265 		 */
3266 		if (rte_eal_alarm_set(100000,
3267 				rmv_port_callback, (void *)(intptr_t)port_id))
3268 			RTE_LOG(ERR, EAL,
3269 				"Could not set up deferred device removal\n");
3270 		break;
3271 	case RTE_DEV_EVENT_ADD:
3272 		RTE_LOG(ERR, EAL, "The device: %s has been added!\n",
3273 			device_name);
3274 		/* TODO: After finish kernel driver binding,
3275 		 * begin to attach port.
3276 		 */
3277 		break;
3278 	default:
3279 		break;
3280 	}
3281 }
3282 
3283 static void
3284 rxtx_port_config(struct rte_port *port)
3285 {
3286 	uint16_t qid;
3287 	uint64_t offloads;
3288 
3289 	for (qid = 0; qid < nb_rxq; qid++) {
3290 		offloads = port->rx_conf[qid].offloads;
3291 		port->rx_conf[qid] = port->dev_info.default_rxconf;
3292 		if (offloads != 0)
3293 			port->rx_conf[qid].offloads = offloads;
3294 
3295 		/* Check if any Rx parameters have been passed */
3296 		if (rx_pthresh != RTE_PMD_PARAM_UNSET)
3297 			port->rx_conf[qid].rx_thresh.pthresh = rx_pthresh;
3298 
3299 		if (rx_hthresh != RTE_PMD_PARAM_UNSET)
3300 			port->rx_conf[qid].rx_thresh.hthresh = rx_hthresh;
3301 
3302 		if (rx_wthresh != RTE_PMD_PARAM_UNSET)
3303 			port->rx_conf[qid].rx_thresh.wthresh = rx_wthresh;
3304 
3305 		if (rx_free_thresh != RTE_PMD_PARAM_UNSET)
3306 			port->rx_conf[qid].rx_free_thresh = rx_free_thresh;
3307 
3308 		if (rx_drop_en != RTE_PMD_PARAM_UNSET)
3309 			port->rx_conf[qid].rx_drop_en = rx_drop_en;
3310 
3311 		port->nb_rx_desc[qid] = nb_rxd;
3312 	}
3313 
3314 	for (qid = 0; qid < nb_txq; qid++) {
3315 		offloads = port->tx_conf[qid].offloads;
3316 		port->tx_conf[qid] = port->dev_info.default_txconf;
3317 		if (offloads != 0)
3318 			port->tx_conf[qid].offloads = offloads;
3319 
3320 		/* Check if any Tx parameters have been passed */
3321 		if (tx_pthresh != RTE_PMD_PARAM_UNSET)
3322 			port->tx_conf[qid].tx_thresh.pthresh = tx_pthresh;
3323 
3324 		if (tx_hthresh != RTE_PMD_PARAM_UNSET)
3325 			port->tx_conf[qid].tx_thresh.hthresh = tx_hthresh;
3326 
3327 		if (tx_wthresh != RTE_PMD_PARAM_UNSET)
3328 			port->tx_conf[qid].tx_thresh.wthresh = tx_wthresh;
3329 
3330 		if (tx_rs_thresh != RTE_PMD_PARAM_UNSET)
3331 			port->tx_conf[qid].tx_rs_thresh = tx_rs_thresh;
3332 
3333 		if (tx_free_thresh != RTE_PMD_PARAM_UNSET)
3334 			port->tx_conf[qid].tx_free_thresh = tx_free_thresh;
3335 
3336 		port->nb_tx_desc[qid] = nb_txd;
3337 	}
3338 }
3339 
3340 void
3341 init_port_config(void)
3342 {
3343 	portid_t pid;
3344 	struct rte_port *port;
3345 	int ret;
3346 
3347 	RTE_ETH_FOREACH_DEV(pid) {
3348 		port = &ports[pid];
3349 		port->dev_conf.fdir_conf = fdir_conf;
3350 
3351 		ret = eth_dev_info_get_print_err(pid, &port->dev_info);
3352 		if (ret != 0)
3353 			return;
3354 
3355 		if (nb_rxq > 1) {
3356 			port->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL;
3357 			port->dev_conf.rx_adv_conf.rss_conf.rss_hf =
3358 				rss_hf & port->dev_info.flow_type_rss_offloads;
3359 		} else {
3360 			port->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL;
3361 			port->dev_conf.rx_adv_conf.rss_conf.rss_hf = 0;
3362 		}
3363 
3364 		if (port->dcb_flag == 0) {
3365 			if( port->dev_conf.rx_adv_conf.rss_conf.rss_hf != 0)
3366 				port->dev_conf.rxmode.mq_mode =
3367 					(enum rte_eth_rx_mq_mode)
3368 						(rx_mq_mode & ETH_MQ_RX_RSS);
3369 			else
3370 				port->dev_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
3371 		}
3372 
3373 		rxtx_port_config(port);
3374 
3375 		ret = eth_macaddr_get_print_err(pid, &port->eth_addr);
3376 		if (ret != 0)
3377 			return;
3378 
3379 #if defined RTE_NET_IXGBE && defined RTE_LIBRTE_IXGBE_BYPASS
3380 		rte_pmd_ixgbe_bypass_init(pid);
3381 #endif
3382 
3383 		if (lsc_interrupt &&
3384 		    (rte_eth_devices[pid].data->dev_flags &
3385 		     RTE_ETH_DEV_INTR_LSC))
3386 			port->dev_conf.intr_conf.lsc = 1;
3387 		if (rmv_interrupt &&
3388 		    (rte_eth_devices[pid].data->dev_flags &
3389 		     RTE_ETH_DEV_INTR_RMV))
3390 			port->dev_conf.intr_conf.rmv = 1;
3391 	}
3392 }
3393 
3394 void set_port_slave_flag(portid_t slave_pid)
3395 {
3396 	struct rte_port *port;
3397 
3398 	port = &ports[slave_pid];
3399 	port->slave_flag = 1;
3400 }
3401 
3402 void clear_port_slave_flag(portid_t slave_pid)
3403 {
3404 	struct rte_port *port;
3405 
3406 	port = &ports[slave_pid];
3407 	port->slave_flag = 0;
3408 }
3409 
3410 uint8_t port_is_bonding_slave(portid_t slave_pid)
3411 {
3412 	struct rte_port *port;
3413 
3414 	port = &ports[slave_pid];
3415 	if ((rte_eth_devices[slave_pid].data->dev_flags &
3416 	    RTE_ETH_DEV_BONDED_SLAVE) || (port->slave_flag == 1))
3417 		return 1;
3418 	return 0;
3419 }
3420 
3421 const uint16_t vlan_tags[] = {
3422 		0,  1,  2,  3,  4,  5,  6,  7,
3423 		8,  9, 10, 11,  12, 13, 14, 15,
3424 		16, 17, 18, 19, 20, 21, 22, 23,
3425 		24, 25, 26, 27, 28, 29, 30, 31
3426 };
3427 
3428 static  int
3429 get_eth_dcb_conf(portid_t pid, struct rte_eth_conf *eth_conf,
3430 		 enum dcb_mode_enable dcb_mode,
3431 		 enum rte_eth_nb_tcs num_tcs,
3432 		 uint8_t pfc_en)
3433 {
3434 	uint8_t i;
3435 	int32_t rc;
3436 	struct rte_eth_rss_conf rss_conf;
3437 
3438 	/*
3439 	 * Builds up the correct configuration for dcb+vt based on the vlan tags array
3440 	 * given above, and the number of traffic classes available for use.
3441 	 */
3442 	if (dcb_mode == DCB_VT_ENABLED) {
3443 		struct rte_eth_vmdq_dcb_conf *vmdq_rx_conf =
3444 				&eth_conf->rx_adv_conf.vmdq_dcb_conf;
3445 		struct rte_eth_vmdq_dcb_tx_conf *vmdq_tx_conf =
3446 				&eth_conf->tx_adv_conf.vmdq_dcb_tx_conf;
3447 
3448 		/* VMDQ+DCB RX and TX configurations */
3449 		vmdq_rx_conf->enable_default_pool = 0;
3450 		vmdq_rx_conf->default_pool = 0;
3451 		vmdq_rx_conf->nb_queue_pools =
3452 			(num_tcs ==  ETH_4_TCS ? ETH_32_POOLS : ETH_16_POOLS);
3453 		vmdq_tx_conf->nb_queue_pools =
3454 			(num_tcs ==  ETH_4_TCS ? ETH_32_POOLS : ETH_16_POOLS);
3455 
3456 		vmdq_rx_conf->nb_pool_maps = vmdq_rx_conf->nb_queue_pools;
3457 		for (i = 0; i < vmdq_rx_conf->nb_pool_maps; i++) {
3458 			vmdq_rx_conf->pool_map[i].vlan_id = vlan_tags[i];
3459 			vmdq_rx_conf->pool_map[i].pools =
3460 				1 << (i % vmdq_rx_conf->nb_queue_pools);
3461 		}
3462 		for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
3463 			vmdq_rx_conf->dcb_tc[i] = i % num_tcs;
3464 			vmdq_tx_conf->dcb_tc[i] = i % num_tcs;
3465 		}
3466 
3467 		/* set DCB mode of RX and TX of multiple queues */
3468 		eth_conf->rxmode.mq_mode =
3469 				(enum rte_eth_rx_mq_mode)
3470 					(rx_mq_mode & ETH_MQ_RX_VMDQ_DCB);
3471 		eth_conf->txmode.mq_mode = ETH_MQ_TX_VMDQ_DCB;
3472 	} else {
3473 		struct rte_eth_dcb_rx_conf *rx_conf =
3474 				&eth_conf->rx_adv_conf.dcb_rx_conf;
3475 		struct rte_eth_dcb_tx_conf *tx_conf =
3476 				&eth_conf->tx_adv_conf.dcb_tx_conf;
3477 
3478 		memset(&rss_conf, 0, sizeof(struct rte_eth_rss_conf));
3479 
3480 		rc = rte_eth_dev_rss_hash_conf_get(pid, &rss_conf);
3481 		if (rc != 0)
3482 			return rc;
3483 
3484 		rx_conf->nb_tcs = num_tcs;
3485 		tx_conf->nb_tcs = num_tcs;
3486 
3487 		for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
3488 			rx_conf->dcb_tc[i] = i % num_tcs;
3489 			tx_conf->dcb_tc[i] = i % num_tcs;
3490 		}
3491 
3492 		eth_conf->rxmode.mq_mode =
3493 				(enum rte_eth_rx_mq_mode)
3494 					(rx_mq_mode & ETH_MQ_RX_DCB_RSS);
3495 		eth_conf->rx_adv_conf.rss_conf = rss_conf;
3496 		eth_conf->txmode.mq_mode = ETH_MQ_TX_DCB;
3497 	}
3498 
3499 	if (pfc_en)
3500 		eth_conf->dcb_capability_en =
3501 				ETH_DCB_PG_SUPPORT | ETH_DCB_PFC_SUPPORT;
3502 	else
3503 		eth_conf->dcb_capability_en = ETH_DCB_PG_SUPPORT;
3504 
3505 	return 0;
3506 }
3507 
3508 int
3509 init_port_dcb_config(portid_t pid,
3510 		     enum dcb_mode_enable dcb_mode,
3511 		     enum rte_eth_nb_tcs num_tcs,
3512 		     uint8_t pfc_en)
3513 {
3514 	struct rte_eth_conf port_conf;
3515 	struct rte_port *rte_port;
3516 	int retval;
3517 	uint16_t i;
3518 
3519 	rte_port = &ports[pid];
3520 
3521 	memset(&port_conf, 0, sizeof(struct rte_eth_conf));
3522 	/* Enter DCB configuration status */
3523 	dcb_config = 1;
3524 
3525 	port_conf.rxmode = rte_port->dev_conf.rxmode;
3526 	port_conf.txmode = rte_port->dev_conf.txmode;
3527 
3528 	/*set configuration of DCB in vt mode and DCB in non-vt mode*/
3529 	retval = get_eth_dcb_conf(pid, &port_conf, dcb_mode, num_tcs, pfc_en);
3530 	if (retval < 0)
3531 		return retval;
3532 	port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3533 
3534 	/* re-configure the device . */
3535 	retval = rte_eth_dev_configure(pid, nb_rxq, nb_rxq, &port_conf);
3536 	if (retval < 0)
3537 		return retval;
3538 
3539 	retval = eth_dev_info_get_print_err(pid, &rte_port->dev_info);
3540 	if (retval != 0)
3541 		return retval;
3542 
3543 	/* If dev_info.vmdq_pool_base is greater than 0,
3544 	 * the queue id of vmdq pools is started after pf queues.
3545 	 */
3546 	if (dcb_mode == DCB_VT_ENABLED &&
3547 	    rte_port->dev_info.vmdq_pool_base > 0) {
3548 		printf("VMDQ_DCB multi-queue mode is nonsensical"
3549 			" for port %d.", pid);
3550 		return -1;
3551 	}
3552 
3553 	/* Assume the ports in testpmd have the same dcb capability
3554 	 * and has the same number of rxq and txq in dcb mode
3555 	 */
3556 	if (dcb_mode == DCB_VT_ENABLED) {
3557 		if (rte_port->dev_info.max_vfs > 0) {
3558 			nb_rxq = rte_port->dev_info.nb_rx_queues;
3559 			nb_txq = rte_port->dev_info.nb_tx_queues;
3560 		} else {
3561 			nb_rxq = rte_port->dev_info.max_rx_queues;
3562 			nb_txq = rte_port->dev_info.max_tx_queues;
3563 		}
3564 	} else {
3565 		/*if vt is disabled, use all pf queues */
3566 		if (rte_port->dev_info.vmdq_pool_base == 0) {
3567 			nb_rxq = rte_port->dev_info.max_rx_queues;
3568 			nb_txq = rte_port->dev_info.max_tx_queues;
3569 		} else {
3570 			nb_rxq = (queueid_t)num_tcs;
3571 			nb_txq = (queueid_t)num_tcs;
3572 
3573 		}
3574 	}
3575 	rx_free_thresh = 64;
3576 
3577 	memcpy(&rte_port->dev_conf, &port_conf, sizeof(struct rte_eth_conf));
3578 
3579 	rxtx_port_config(rte_port);
3580 	/* VLAN filter */
3581 	rte_port->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
3582 	for (i = 0; i < RTE_DIM(vlan_tags); i++)
3583 		rx_vft_set(pid, vlan_tags[i], 1);
3584 
3585 	retval = eth_macaddr_get_print_err(pid, &rte_port->eth_addr);
3586 	if (retval != 0)
3587 		return retval;
3588 
3589 	rte_port->dcb_flag = 1;
3590 
3591 	return 0;
3592 }
3593 
3594 static void
3595 init_port(void)
3596 {
3597 	int i;
3598 
3599 	/* Configuration of Ethernet ports. */
3600 	ports = rte_zmalloc("testpmd: ports",
3601 			    sizeof(struct rte_port) * RTE_MAX_ETHPORTS,
3602 			    RTE_CACHE_LINE_SIZE);
3603 	if (ports == NULL) {
3604 		rte_exit(EXIT_FAILURE,
3605 				"rte_zmalloc(%d struct rte_port) failed\n",
3606 				RTE_MAX_ETHPORTS);
3607 	}
3608 	for (i = 0; i < RTE_MAX_ETHPORTS; i++)
3609 		LIST_INIT(&ports[i].flow_tunnel_list);
3610 	/* Initialize ports NUMA structures */
3611 	memset(port_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS);
3612 	memset(rxring_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS);
3613 	memset(txring_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS);
3614 }
3615 
3616 static void
3617 force_quit(void)
3618 {
3619 	pmd_test_exit();
3620 	prompt_exit();
3621 }
3622 
3623 static void
3624 print_stats(void)
3625 {
3626 	uint8_t i;
3627 	const char clr[] = { 27, '[', '2', 'J', '\0' };
3628 	const char top_left[] = { 27, '[', '1', ';', '1', 'H', '\0' };
3629 
3630 	/* Clear screen and move to top left */
3631 	printf("%s%s", clr, top_left);
3632 
3633 	printf("\nPort statistics ====================================");
3634 	for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
3635 		nic_stats_display(fwd_ports_ids[i]);
3636 
3637 	fflush(stdout);
3638 }
3639 
3640 static void
3641 signal_handler(int signum)
3642 {
3643 	if (signum == SIGINT || signum == SIGTERM) {
3644 		printf("\nSignal %d received, preparing to exit...\n",
3645 				signum);
3646 #ifdef RTE_LIB_PDUMP
3647 		/* uninitialize packet capture framework */
3648 		rte_pdump_uninit();
3649 #endif
3650 #ifdef RTE_LIB_LATENCYSTATS
3651 		if (latencystats_enabled != 0)
3652 			rte_latencystats_uninit();
3653 #endif
3654 		force_quit();
3655 		/* Set flag to indicate the force termination. */
3656 		f_quit = 1;
3657 		/* exit with the expected status */
3658 		signal(signum, SIG_DFL);
3659 		kill(getpid(), signum);
3660 	}
3661 }
3662 
3663 int
3664 main(int argc, char** argv)
3665 {
3666 	int diag;
3667 	portid_t port_id;
3668 	uint16_t count;
3669 	int ret;
3670 
3671 	signal(SIGINT, signal_handler);
3672 	signal(SIGTERM, signal_handler);
3673 
3674 	testpmd_logtype = rte_log_register("testpmd");
3675 	if (testpmd_logtype < 0)
3676 		rte_exit(EXIT_FAILURE, "Cannot register log type");
3677 	rte_log_set_level(testpmd_logtype, RTE_LOG_DEBUG);
3678 
3679 	diag = rte_eal_init(argc, argv);
3680 	if (diag < 0)
3681 		rte_exit(EXIT_FAILURE, "Cannot init EAL: %s\n",
3682 			 rte_strerror(rte_errno));
3683 
3684 	if (rte_eal_process_type() == RTE_PROC_SECONDARY)
3685 		rte_exit(EXIT_FAILURE,
3686 			 "Secondary process type not supported.\n");
3687 
3688 	ret = register_eth_event_callback();
3689 	if (ret != 0)
3690 		rte_exit(EXIT_FAILURE, "Cannot register for ethdev events");
3691 
3692 #ifdef RTE_LIB_PDUMP
3693 	/* initialize packet capture framework */
3694 	rte_pdump_init();
3695 #endif
3696 
3697 	count = 0;
3698 	RTE_ETH_FOREACH_DEV(port_id) {
3699 		ports_ids[count] = port_id;
3700 		count++;
3701 	}
3702 	nb_ports = (portid_t) count;
3703 	if (nb_ports == 0)
3704 		TESTPMD_LOG(WARNING, "No probed ethernet devices\n");
3705 
3706 	/* allocate port structures, and init them */
3707 	init_port();
3708 
3709 	set_def_fwd_config();
3710 	if (nb_lcores == 0)
3711 		rte_exit(EXIT_FAILURE, "No cores defined for forwarding\n"
3712 			 "Check the core mask argument\n");
3713 
3714 	/* Bitrate/latency stats disabled by default */
3715 #ifdef RTE_LIB_BITRATESTATS
3716 	bitrate_enabled = 0;
3717 #endif
3718 #ifdef RTE_LIB_LATENCYSTATS
3719 	latencystats_enabled = 0;
3720 #endif
3721 
3722 	/* on FreeBSD, mlockall() is disabled by default */
3723 #ifdef RTE_EXEC_ENV_FREEBSD
3724 	do_mlockall = 0;
3725 #else
3726 	do_mlockall = 1;
3727 #endif
3728 
3729 	argc -= diag;
3730 	argv += diag;
3731 	if (argc > 1)
3732 		launch_args_parse(argc, argv);
3733 
3734 	if (do_mlockall && mlockall(MCL_CURRENT | MCL_FUTURE)) {
3735 		TESTPMD_LOG(NOTICE, "mlockall() failed with error \"%s\"\n",
3736 			strerror(errno));
3737 	}
3738 
3739 	if (tx_first && interactive)
3740 		rte_exit(EXIT_FAILURE, "--tx-first cannot be used on "
3741 				"interactive mode.\n");
3742 
3743 	if (tx_first && lsc_interrupt) {
3744 		printf("Warning: lsc_interrupt needs to be off when "
3745 				" using tx_first. Disabling.\n");
3746 		lsc_interrupt = 0;
3747 	}
3748 
3749 	if (!nb_rxq && !nb_txq)
3750 		printf("Warning: Either rx or tx queues should be non-zero\n");
3751 
3752 	if (nb_rxq > 1 && nb_rxq > nb_txq)
3753 		printf("Warning: nb_rxq=%d enables RSS configuration, "
3754 		       "but nb_txq=%d will prevent to fully test it.\n",
3755 		       nb_rxq, nb_txq);
3756 
3757 	init_config();
3758 
3759 	if (hot_plug) {
3760 		ret = rte_dev_hotplug_handle_enable();
3761 		if (ret) {
3762 			RTE_LOG(ERR, EAL,
3763 				"fail to enable hotplug handling.");
3764 			return -1;
3765 		}
3766 
3767 		ret = rte_dev_event_monitor_start();
3768 		if (ret) {
3769 			RTE_LOG(ERR, EAL,
3770 				"fail to start device event monitoring.");
3771 			return -1;
3772 		}
3773 
3774 		ret = rte_dev_event_callback_register(NULL,
3775 			dev_event_callback, NULL);
3776 		if (ret) {
3777 			RTE_LOG(ERR, EAL,
3778 				"fail  to register device event callback\n");
3779 			return -1;
3780 		}
3781 	}
3782 
3783 	if (!no_device_start && start_port(RTE_PORT_ALL) != 0)
3784 		rte_exit(EXIT_FAILURE, "Start ports failed\n");
3785 
3786 	/* set all ports to promiscuous mode by default */
3787 	RTE_ETH_FOREACH_DEV(port_id) {
3788 		ret = rte_eth_promiscuous_enable(port_id);
3789 		if (ret != 0)
3790 			printf("Error during enabling promiscuous mode for port %u: %s - ignore\n",
3791 				port_id, rte_strerror(-ret));
3792 	}
3793 
3794 	/* Init metrics library */
3795 	rte_metrics_init(rte_socket_id());
3796 
3797 #ifdef RTE_LIB_LATENCYSTATS
3798 	if (latencystats_enabled != 0) {
3799 		int ret = rte_latencystats_init(1, NULL);
3800 		if (ret)
3801 			printf("Warning: latencystats init()"
3802 				" returned error %d\n",	ret);
3803 		printf("Latencystats running on lcore %d\n",
3804 			latencystats_lcore_id);
3805 	}
3806 #endif
3807 
3808 	/* Setup bitrate stats */
3809 #ifdef RTE_LIB_BITRATESTATS
3810 	if (bitrate_enabled != 0) {
3811 		bitrate_data = rte_stats_bitrate_create();
3812 		if (bitrate_data == NULL)
3813 			rte_exit(EXIT_FAILURE,
3814 				"Could not allocate bitrate data.\n");
3815 		rte_stats_bitrate_reg(bitrate_data);
3816 	}
3817 #endif
3818 
3819 #ifdef RTE_LIB_CMDLINE
3820 	if (strlen(cmdline_filename) != 0)
3821 		cmdline_read_from_file(cmdline_filename);
3822 
3823 	if (interactive == 1) {
3824 		if (auto_start) {
3825 			printf("Start automatic packet forwarding\n");
3826 			start_packet_forwarding(0);
3827 		}
3828 		prompt();
3829 		pmd_test_exit();
3830 	} else
3831 #endif
3832 	{
3833 		char c;
3834 		int rc;
3835 
3836 		f_quit = 0;
3837 
3838 		printf("No commandline core given, start packet forwarding\n");
3839 		start_packet_forwarding(tx_first);
3840 		if (stats_period != 0) {
3841 			uint64_t prev_time = 0, cur_time, diff_time = 0;
3842 			uint64_t timer_period;
3843 
3844 			/* Convert to number of cycles */
3845 			timer_period = stats_period * rte_get_timer_hz();
3846 
3847 			while (f_quit == 0) {
3848 				cur_time = rte_get_timer_cycles();
3849 				diff_time += cur_time - prev_time;
3850 
3851 				if (diff_time >= timer_period) {
3852 					print_stats();
3853 					/* Reset the timer */
3854 					diff_time = 0;
3855 				}
3856 				/* Sleep to avoid unnecessary checks */
3857 				prev_time = cur_time;
3858 				sleep(1);
3859 			}
3860 		}
3861 
3862 		printf("Press enter to exit\n");
3863 		rc = read(0, &c, 1);
3864 		pmd_test_exit();
3865 		if (rc < 0)
3866 			return 1;
3867 	}
3868 
3869 	ret = rte_eal_cleanup();
3870 	if (ret != 0)
3871 		rte_exit(EXIT_FAILURE,
3872 			 "EAL cleanup failed: %s\n", strerror(-ret));
3873 
3874 	return EXIT_SUCCESS;
3875 }
3876