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39 #include <rte_cycles.h>
40 #include <rte_ethdev.h>
41 #include <rte_byteorder.h>
42 #include <rte_atomic.h>
43 #include <rte_malloc.h>
44 #include "packet_burst_generator.h"
47 #define NB_ETHPORTS_USED (1)
48 #define NB_SOCKETS (2)
49 #define MEMPOOL_CACHE_SIZE 250
50 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
51 #define MAX_PKT_BURST (32)
52 #define RTE_TEST_RX_DESC_DEFAULT (128)
53 #define RTE_TEST_TX_DESC_DEFAULT (512)
54 #define RTE_PORT_ALL (~(uint8_t)0x0)
56 /* how long test would take at full line rate */
57 #define RTE_TEST_DURATION (2)
60 * RX and TX Prefetch, Host, and Write-back threshold values should be
61 * carefully set for optimal performance. Consult the network
62 * controller's datasheet and supporting DPDK documentation for guidance
63 * on how these parameters should be set.
65 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
66 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
67 #define RX_WTHRESH 0 /**< Default values of RX write-back threshold reg. */
70 * These default values are optimized for use with the Intel(R) 82599 10 GbE
71 * Controller and the DPDK ixgbe PMD. Consider using other values for other
72 * network controllers and/or network drivers.
74 #define TX_PTHRESH 32 /**< Default values of TX prefetch threshold reg. */
75 #define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */
76 #define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */
78 #define MAX_TRAFFIC_BURST 2048
80 #define NB_MBUF RTE_MAX( \
81 (unsigned)(nb_ports*nb_rx_queue*nb_rxd + \
82 nb_ports*nb_lcores*MAX_PKT_BURST + \
83 nb_ports*nb_tx_queue*nb_txd + \
84 nb_lcores*MEMPOOL_CACHE_SIZE + \
85 nb_ports*MAX_TRAFFIC_BURST), \
89 static struct rte_mempool *mbufpool[NB_SOCKETS];
90 /* ethernet addresses of ports */
91 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
93 static struct rte_eth_conf port_conf = {
95 .mq_mode = ETH_MQ_RX_NONE,
96 .max_rx_pkt_len = ETHER_MAX_LEN,
98 .header_split = 0, /**< Header Split disabled */
99 .hw_ip_checksum = 0, /**< IP checksum offload enabled */
100 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
101 .hw_vlan_strip = 0, /**< VLAN strip enabled. */
102 .hw_vlan_extend = 0, /**< Extended VLAN disabled. */
103 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
104 .hw_strip_crc = 0, /**< CRC stripped by hardware */
105 .enable_scatter = 0, /**< scatter rx disabled */
108 .mq_mode = ETH_MQ_TX_NONE,
110 .lpbk_mode = 1, /* enable loopback */
113 static struct rte_eth_rxconf rx_conf = {
115 .pthresh = RX_PTHRESH,
116 .hthresh = RX_HTHRESH,
117 .wthresh = RX_WTHRESH,
119 .rx_free_thresh = 32,
122 static struct rte_eth_txconf tx_conf = {
124 .pthresh = TX_PTHRESH,
125 .hthresh = TX_HTHRESH,
126 .wthresh = TX_WTHRESH,
128 .tx_free_thresh = 32, /* Use PMD default values */
129 .tx_rs_thresh = 32, /* Use PMD default values */
130 .txq_flags = (ETH_TXQ_FLAGS_NOMULTSEGS |
131 ETH_TXQ_FLAGS_NOVLANOFFL |
132 ETH_TXQ_FLAGS_NOXSUMSCTP |
133 ETH_TXQ_FLAGS_NOXSUMUDP |
134 ETH_TXQ_FLAGS_NOXSUMTCP)
147 uint8_t portlist[RTE_MAX_ETHPORTS];
148 } __rte_cache_aligned;
150 struct lcore_conf lcore_conf[RTE_MAX_LCORE];
152 static uint64_t link_mbps;
160 static uint32_t sc_flag;
162 /* Check the link status of all ports in up to 3s, and print them finally */
164 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
166 #define CHECK_INTERVAL 100 /* 100ms */
167 #define MAX_CHECK_TIME 30 /* 3s (30 * 100ms) in total */
168 uint8_t portid, count, all_ports_up, print_flag = 0;
169 struct rte_eth_link link;
171 printf("Checking link statuses...\n");
173 for (count = 0; count <= MAX_CHECK_TIME; count++) {
175 for (portid = 0; portid < port_num; portid++) {
176 if ((port_mask & (1 << portid)) == 0)
178 memset(&link, 0, sizeof(link));
179 rte_eth_link_get_nowait(portid, &link);
180 /* print link status if flag set */
181 if (print_flag == 1) {
182 if (link.link_status) {
183 printf("Port %d Link Up - speed %u "
184 "Mbps - %s\n", (uint8_t)portid,
185 (unsigned)link.link_speed,
186 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
187 ("full-duplex") : ("half-duplex\n"));
189 link_mbps = link.link_speed;
191 printf("Port %d Link Down\n",
195 /* clear all_ports_up flag if any link down */
196 if (link.link_status == 0) {
201 /* after finally printing all link status, get out */
205 if (all_ports_up == 0) {
207 rte_delay_ms(CHECK_INTERVAL);
210 /* set the print_flag if all ports up or timeout */
211 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1))
217 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
219 char buf[ETHER_ADDR_FMT_SIZE];
220 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
221 printf("%s%s", name, buf);
225 init_traffic(struct rte_mempool *mp,
226 struct rte_mbuf **pkts_burst, uint32_t burst_size)
228 struct ether_hdr pkt_eth_hdr;
229 struct ipv4_hdr pkt_ipv4_hdr;
230 struct udp_hdr pkt_udp_hdr;
232 static uint8_t src_mac[] = { 0x00, 0xFF, 0xAA, 0xFF, 0xAA, 0xFF };
233 static uint8_t dst_mac[] = { 0x00, 0xAA, 0xFF, 0xAA, 0xFF, 0xAA };
236 initialize_eth_header(&pkt_eth_hdr,
237 (struct ether_addr *)src_mac,
238 (struct ether_addr *)dst_mac, 0, 0);
239 pkt_eth_hdr.ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
241 pktlen = initialize_ipv4_header(&pkt_ipv4_hdr,
242 IPV4_ADDR(10, 0, 0, 1),
243 IPV4_ADDR(10, 0, 0, 2), 26);
244 printf("IPv4 pktlen %u\n", pktlen);
246 pktlen = initialize_udp_header(&pkt_udp_hdr, 0, 0, 18);
248 printf("UDP pktlen %u\n", pktlen);
250 return generate_packet_burst(mp, pkts_burst, &pkt_eth_hdr,
252 &pkt_udp_hdr, burst_size,
253 PACKET_BURST_GEN_PKT_LEN, 1);
261 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
262 lcore_conf[lcore_id].socketid =
263 rte_lcore_to_socket_id(lcore_id);
264 if (rte_lcore_is_enabled(lcore_id) == 0) {
265 lcore_conf[lcore_id].status = LCORE_INVALID;
268 lcore_conf[lcore_id].status = LCORE_AVAIL;
274 init_mbufpool(unsigned nb_mbuf)
280 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
281 if (rte_lcore_is_enabled(lcore_id) == 0)
284 socketid = rte_lcore_to_socket_id(lcore_id);
285 if (socketid >= NB_SOCKETS) {
286 rte_exit(EXIT_FAILURE,
287 "Socket %d of lcore %u is out of range %d\n",
288 socketid, lcore_id, NB_SOCKETS);
290 if (mbufpool[socketid] == NULL) {
291 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
293 rte_mempool_create(s, nb_mbuf, MBUF_SIZE,
295 sizeof(struct rte_pktmbuf_pool_private),
296 rte_pktmbuf_pool_init, NULL,
297 rte_pktmbuf_init, NULL,
299 if (mbufpool[socketid] == NULL)
300 rte_exit(EXIT_FAILURE,
301 "Cannot init mbuf pool on socket %d\n",
304 printf("Allocated mbuf pool on socket %d\n",
312 alloc_lcore(uint16_t socketid)
316 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
317 if (LCORE_AVAIL != lcore_conf[lcore_id].status ||
318 lcore_conf[lcore_id].socketid != socketid ||
319 lcore_id == rte_get_master_lcore())
321 lcore_conf[lcore_id].status = LCORE_USED;
322 lcore_conf[lcore_id].nb_ports = 0;
329 volatile uint64_t stop;
343 stats_display(uint8_t port_id)
345 struct rte_eth_stats stats;
346 rte_eth_stats_get(port_id, &stats);
348 printf(" RX-packets: %-10"PRIu64" RX-missed: %-10"PRIu64" RX-bytes: "
350 stats.ipackets, stats.imissed, stats.ibytes);
351 printf(" RX-badcrc: %-10"PRIu64" RX-badlen: %-10"PRIu64" RX-errors: "
353 stats.ibadcrc, stats.ibadlen, stats.ierrors);
354 printf(" RX-nombuf: %-10"PRIu64"\n",
356 printf(" TX-packets: %-10"PRIu64" TX-errors: %-10"PRIu64" TX-bytes: "
358 stats.opackets, stats.oerrors, stats.obytes);
362 signal_handler(int signum)
364 /* USR1 signal, stop testing */
365 if (signum == SIGUSR1) {
366 printf("Force Stop!\n");
370 /* USR2 signal, print stats */
371 if (signum == SIGUSR2)
375 struct rte_mbuf **tx_burst;
377 uint64_t (*do_measure)(struct lcore_conf *conf,
378 struct rte_mbuf *pkts_burst[],
379 uint64_t total_pkts);
382 measure_rxtx(struct lcore_conf *conf,
383 struct rte_mbuf *pkts_burst[],
386 unsigned i, portid, nb_rx, nb_tx;
387 uint64_t prev_tsc, cur_tsc;
389 prev_tsc = rte_rdtsc();
391 while (likely(!stop)) {
392 for (i = 0; i < conf->nb_ports; i++) {
393 portid = conf->portlist[i];
394 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
395 pkts_burst, MAX_PKT_BURST);
396 if (unlikely(nb_rx == 0)) {
402 nb_tx = rte_eth_tx_burst(portid, 0, pkts_burst, nb_rx);
403 if (unlikely(nb_tx < nb_rx)) {
404 drop += (nb_rx - nb_tx);
406 rte_pktmbuf_free(pkts_burst[nb_tx]);
407 } while (++nb_tx < nb_rx);
410 if (unlikely(count >= total_pkts))
414 cur_tsc = rte_rdtsc();
416 return cur_tsc - prev_tsc;
420 measure_rxonly(struct lcore_conf *conf,
421 struct rte_mbuf *pkts_burst[],
424 unsigned i, portid, nb_rx, nb_tx;
425 uint64_t diff_tsc, cur_tsc;
428 while (likely(!stop)) {
429 for (i = 0; i < conf->nb_ports; i++) {
430 portid = conf->portlist[i];
432 cur_tsc = rte_rdtsc();
433 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
434 pkts_burst, MAX_PKT_BURST);
435 if (unlikely(nb_rx == 0)) {
439 diff_tsc += rte_rdtsc() - cur_tsc;
442 nb_tx = rte_eth_tx_burst(portid, 0, pkts_burst, nb_rx);
443 if (unlikely(nb_tx < nb_rx)) {
444 drop += (nb_rx - nb_tx);
446 rte_pktmbuf_free(pkts_burst[nb_tx]);
447 } while (++nb_tx < nb_rx);
450 if (unlikely(count >= total_pkts))
458 measure_txonly(struct lcore_conf *conf,
459 struct rte_mbuf *pkts_burst[],
462 unsigned i, portid, nb_rx, nb_tx;
463 uint64_t diff_tsc, cur_tsc;
465 printf("do tx measure\n");
467 while (likely(!stop)) {
468 for (i = 0; i < conf->nb_ports; i++) {
469 portid = conf->portlist[i];
470 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
471 pkts_burst, MAX_PKT_BURST);
472 if (unlikely(nb_rx == 0)) {
479 cur_tsc = rte_rdtsc();
480 nb_tx = rte_eth_tx_burst(portid, 0, pkts_burst, nb_rx);
481 if (unlikely(nb_tx < nb_rx)) {
482 drop += (nb_rx - nb_tx);
484 rte_pktmbuf_free(pkts_burst[nb_tx]);
485 } while (++nb_tx < nb_rx);
487 diff_tsc += rte_rdtsc() - cur_tsc;
489 if (unlikely(count >= total_pkts))
496 /* main processing loop */
498 main_loop(__rte_unused void *args)
500 #define PACKET_SIZE 64
502 #define MAC_PREAMBLE 8
503 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
505 unsigned i, portid, nb_rx = 0, nb_tx = 0;
506 struct lcore_conf *conf;
509 uint64_t packets_per_second, total_packets;
511 lcore_id = rte_lcore_id();
512 conf = &lcore_conf[lcore_id];
513 if (conf->status != LCORE_USED)
516 pkt_per_port = MAX_TRAFFIC_BURST;
519 for (i = 0; i < conf->nb_ports; i++) {
520 int num = pkt_per_port;
521 portid = conf->portlist[i];
522 printf("inject %d packet to port %d\n", num, portid);
524 nb_tx = RTE_MIN(MAX_PKT_BURST, num);
525 nb_tx = rte_eth_tx_burst(portid, 0,
526 &tx_burst[idx], nb_tx);
531 printf("Total packets inject to prime ports = %u\n", idx);
533 packets_per_second = (link_mbps * 1000 * 1000) /
534 ((PACKET_SIZE + FRAME_GAP + MAC_PREAMBLE) * CHAR_BIT);
535 printf("Each port will do %"PRIu64" packets per second\n",
538 total_packets = RTE_TEST_DURATION * conf->nb_ports * packets_per_second;
539 printf("Test will stop after at least %"PRIu64" packets received\n",
542 diff_tsc = do_measure(conf, pkts_burst, total_packets);
544 for (i = 0; i < conf->nb_ports; i++) {
545 portid = conf->portlist[i];
546 int nb_free = pkt_per_port;
548 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
549 pkts_burst, MAX_PKT_BURST);
551 while (nb_tx < nb_rx)
552 rte_pktmbuf_free(pkts_burst[nb_tx++]);
554 } while (nb_free != 0);
555 printf("free %d mbuf left in port %u\n", pkt_per_port, portid);
561 printf("%"PRIu64" packet, %"PRIu64" drop, %"PRIu64" idle\n",
563 printf("Result: %"PRIu64" cycles per packet\n", diff_tsc / count);
568 rte_atomic64_t start;
571 poll_burst(void *args)
573 #define MAX_IDLE (10000)
575 struct rte_mbuf **pkts_burst;
576 uint64_t diff_tsc, cur_tsc;
577 uint16_t next[RTE_MAX_ETHPORTS];
578 struct lcore_conf *conf;
579 uint32_t pkt_per_port = *((uint32_t *)args);
580 unsigned i, portid, nb_rx = 0;
582 uint64_t timeout = MAX_IDLE;
584 lcore_id = rte_lcore_id();
585 conf = &lcore_conf[lcore_id];
586 if (conf->status != LCORE_USED)
589 total = pkt_per_port * conf->nb_ports;
590 printf("start to receive total expect %"PRIu64"\n", total);
592 pkts_burst = (struct rte_mbuf **)
593 rte_calloc_socket("poll_burst",
594 total, sizeof(void *),
595 RTE_CACHE_LINE_SIZE, conf->socketid);
599 for (i = 0; i < conf->nb_ports; i++) {
600 portid = conf->portlist[i];
601 next[portid] = i * pkt_per_port;
604 while (!rte_atomic64_read(&start))
607 cur_tsc = rte_rdtsc();
609 for (i = 0; i < conf->nb_ports; i++) {
610 portid = conf->portlist[i];
611 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
612 &pkts_burst[next[portid]],
614 if (unlikely(nb_rx == 0)) {
616 if (unlikely(timeout == 0))
620 next[portid] += nb_rx;
625 diff_tsc = rte_rdtsc() - cur_tsc;
627 printf("%"PRIu64" packets lost, IDLE %"PRIu64" times\n",
628 total, MAX_IDLE - timeout);
631 total = pkt_per_port * conf->nb_ports - total;
632 for (i = 0; i < total; i++)
633 rte_pktmbuf_free(pkts_burst[i]);
635 rte_free(pkts_burst);
637 return diff_tsc / total;
641 exec_burst(uint32_t flags, int lcore)
643 unsigned i, portid, nb_tx = 0;
644 struct lcore_conf *conf;
645 uint32_t pkt_per_port;
649 conf = &lcore_conf[lcore];
651 pkt_per_port = MAX_TRAFFIC_BURST;
654 rte_atomic64_init(&start);
656 /* start polling thread, but not actually poll yet */
657 rte_eal_remote_launch(poll_burst,
658 (void *)&pkt_per_port, lcore);
660 /* Only when polling first */
661 if (flags == SC_BURST_POLL_FIRST)
662 rte_atomic64_set(&start, 1);
666 nb_tx = RTE_MIN(MAX_PKT_BURST, num);
667 for (i = 0; i < conf->nb_ports; i++) {
668 portid = conf->portlist[i];
669 rte_eth_tx_burst(portid, 0,
670 &tx_burst[idx], nb_tx);
678 /* only when polling second */
679 if (flags == SC_BURST_XMIT_FIRST)
680 rte_atomic64_set(&start, 1);
682 /* wait for polling finished */
683 diff_tsc = rte_eal_wait_lcore(lcore);
687 printf("Result: %d cycles per packet\n", diff_tsc);
695 uint16_t nb_ports, num, nb_lcores, slave_id = (uint16_t)-1;
696 uint16_t nb_rxd = MAX_TRAFFIC_BURST;
697 uint16_t nb_txd = MAX_TRAFFIC_BURST;
699 uint16_t nb_rx_queue = 1, nb_tx_queue = 1;
703 printf("Start PMD RXTX cycles cost test.\n");
705 signal(SIGUSR1, signal_handler);
706 signal(SIGUSR2, signal_handler);
708 nb_ports = rte_eth_dev_count();
709 if (nb_ports < NB_ETHPORTS_USED) {
710 printf("At least %u port(s) used for perf. test\n",
715 if (nb_ports > RTE_MAX_ETHPORTS)
716 nb_ports = RTE_MAX_ETHPORTS;
718 nb_lcores = rte_lcore_count();
720 memset(lcore_conf, 0, sizeof(lcore_conf));
723 init_mbufpool(NB_MBUF);
725 if (sc_flag == SC_CONTINUOUS) {
726 nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
727 nb_txd = RTE_TEST_TX_DESC_DEFAULT;
729 printf("CONFIG RXD=%d TXD=%d\n", nb_rxd, nb_txd);
733 for (portid = 0; portid < nb_ports; portid++) {
734 if (socketid == -1) {
735 socketid = rte_eth_dev_socket_id(portid);
736 slave_id = alloc_lcore(socketid);
737 if (slave_id == (uint16_t)-1) {
738 printf("No avail lcore to run test\n");
741 printf("Performance test runs on lcore %u socket %u\n",
745 if (socketid != rte_eth_dev_socket_id(portid)) {
746 printf("Skip port %d\n", portid);
751 ret = rte_eth_dev_configure(portid, nb_rx_queue,
752 nb_tx_queue, &port_conf);
754 rte_exit(EXIT_FAILURE,
755 "Cannot configure device: err=%d, port=%d\n",
758 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
759 printf("Port %u ", portid);
760 print_ethaddr("Address:", &ports_eth_addr[portid]);
764 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
767 rte_exit(EXIT_FAILURE,
768 "rte_eth_tx_queue_setup: err=%d, "
769 "port=%d\n", ret, portid);
772 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
776 rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d,"
777 "port=%d\n", ret, portid);
781 ret = rte_eth_dev_start(portid);
783 rte_exit(EXIT_FAILURE,
784 "rte_eth_dev_start: err=%d, port=%d\n",
787 /* always eanble promiscuous */
788 rte_eth_promiscuous_enable(portid);
790 lcore_conf[slave_id].portlist[num++] = portid;
791 lcore_conf[slave_id].nb_ports++;
793 check_all_ports_link_status(nb_ports, RTE_PORT_ALL);
795 if (tx_burst == NULL) {
796 tx_burst = (struct rte_mbuf **)
797 rte_calloc_socket("tx_buff",
798 MAX_TRAFFIC_BURST * nb_ports,
800 RTE_CACHE_LINE_SIZE, socketid);
805 init_traffic(mbufpool[socketid],
806 tx_burst, MAX_TRAFFIC_BURST * nb_ports);
808 printf("Generate %d packets @socket %d\n",
809 MAX_TRAFFIC_BURST * nb_ports, socketid);
811 if (sc_flag == SC_CONTINUOUS) {
812 /* do both rxtx by default */
813 if (NULL == do_measure)
814 do_measure = measure_rxtx;
816 rte_eal_remote_launch(main_loop, NULL, slave_id);
818 if (rte_eal_wait_lcore(slave_id) < 0)
820 } else if (sc_flag == SC_BURST_POLL_FIRST ||
821 sc_flag == SC_BURST_XMIT_FIRST)
822 exec_burst(sc_flag, slave_id);
825 for (portid = 0; portid < nb_ports; portid++) {
826 if (socketid != rte_eth_dev_socket_id(portid))
829 rte_eth_dev_stop(portid);
836 test_set_rxtx_conf(cmdline_fixed_string_t mode)
838 printf("mode switch to %s\n", mode);
840 if (!strcmp(mode, "vector")) {
842 tx_conf.txq_flags = 0xf01;
843 tx_conf.tx_rs_thresh = 32;
844 tx_conf.tx_free_thresh = 32;
845 port_conf.rxmode.hw_ip_checksum = 0;
846 port_conf.rxmode.enable_scatter = 0;
848 } else if (!strcmp(mode, "scalar")) {
849 /* bulk alloc rx, simple tx */
850 tx_conf.txq_flags = 0xf01;
851 tx_conf.tx_rs_thresh = 128;
852 tx_conf.tx_free_thresh = 128;
853 port_conf.rxmode.hw_ip_checksum = 1;
854 port_conf.rxmode.enable_scatter = 0;
856 } else if (!strcmp(mode, "hybrid")) {
857 /* bulk alloc rx, vector tx
858 * when vec macro not define,
859 * using the same rx/tx as scalar
861 tx_conf.txq_flags = 0xf01;
862 tx_conf.tx_rs_thresh = 32;
863 tx_conf.tx_free_thresh = 32;
864 port_conf.rxmode.hw_ip_checksum = 1;
865 port_conf.rxmode.enable_scatter = 0;
867 } else if (!strcmp(mode, "full")) {
868 /* full feature rx,tx pair */
869 tx_conf.txq_flags = 0x0; /* must condition */
870 tx_conf.tx_rs_thresh = 32;
871 tx_conf.tx_free_thresh = 32;
872 port_conf.rxmode.hw_ip_checksum = 0;
873 port_conf.rxmode.enable_scatter = 1; /* must condition */
881 test_set_rxtx_anchor(cmdline_fixed_string_t type)
883 printf("type switch to %s\n", type);
885 if (!strcmp(type, "rxtx")) {
886 do_measure = measure_rxtx;
888 } else if (!strcmp(type, "rxonly")) {
889 do_measure = measure_rxonly;
891 } else if (!strcmp(type, "txonly")) {
892 do_measure = measure_txonly;
900 test_set_rxtx_sc(cmdline_fixed_string_t type)
902 printf("stream control switch to %s\n", type);
904 if (!strcmp(type, "continuous")) {
905 sc_flag = SC_CONTINUOUS;
907 } else if (!strcmp(type, "poll_before_xmit")) {
908 sc_flag = SC_BURST_POLL_FIRST;
910 } else if (!strcmp(type, "poll_after_xmit")) {
911 sc_flag = SC_BURST_XMIT_FIRST;
918 static struct test_command pmd_perf_cmd = {
919 .command = "pmd_perf_autotest",
920 .callback = test_pmd_perf,
922 REGISTER_TEST_COMMAND(pmd_perf_cmd);