1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
11 #include <sys/queue.h>
16 #include <rte_common.h>
17 #include <rte_byteorder.h>
19 #include <rte_memory.h>
20 #include <rte_memcpy.h>
22 #include <rte_launch.h>
23 #include <rte_atomic.h>
24 #include <rte_cycles.h>
25 #include <rte_prefetch.h>
26 #include <rte_lcore.h>
27 #include <rte_per_lcore.h>
28 #include <rte_branch_prediction.h>
29 #include <rte_interrupts.h>
30 #include <rte_random.h>
31 #include <rte_debug.h>
32 #include <rte_ether.h>
33 #include <rte_ethdev.h>
34 #include <rte_mempool.h>
39 #include <rte_string_fns.h>
43 struct app_params app;
45 static const char usage[] =
47 " load_balancer <EAL PARAMS> -- <APP PARAMS> \n"
49 "Application manadatory parameters: \n"
50 " --rx \"(PORT, QUEUE, LCORE), ...\" : List of NIC RX ports and queues \n"
51 " handled by the I/O RX lcores \n"
52 " --tx \"(PORT, LCORE), ...\" : List of NIC TX ports handled by the I/O TX \n"
54 " --w \"LCORE, ...\" : List of the worker lcores \n"
55 " --lpm \"IP / PREFIX => PORT; ...\" : List of LPM rules used by the worker \n"
56 " lcores for packet forwarding \n"
58 "Application optional parameters: \n"
59 " --rsz \"A, B, C, D\" : Ring sizes \n"
60 " A = Size (in number of buffer descriptors) of each of the NIC RX \n"
61 " rings read by the I/O RX lcores (default value is %u) \n"
62 " B = Size (in number of elements) of each of the SW rings used by the\n"
63 " I/O RX lcores to send packets to worker lcores (default value is\n"
65 " C = Size (in number of elements) of each of the SW rings used by the\n"
66 " worker lcores to send packets to I/O TX lcores (default value is\n"
68 " D = Size (in number of buffer descriptors) of each of the NIC TX \n"
69 " rings written by I/O TX lcores (default value is %u) \n"
70 " --bsz \"(A, B), (C, D), (E, F)\" : Burst sizes \n"
71 " A = I/O RX lcore read burst size from NIC RX (default value is %u) \n"
72 " B = I/O RX lcore write burst size to output SW rings (default value \n"
74 " C = Worker lcore read burst size from input SW rings (default value \n"
76 " D = Worker lcore write burst size to output SW rings (default value \n"
78 " E = I/O TX lcore read burst size from input SW rings (default value \n"
80 " F = I/O TX lcore write burst size to NIC TX (default value is %u) \n"
81 " --pos-lb POS : Position of the 1-byte field within the input packet used by\n"
82 " the I/O RX lcores to identify the worker lcore for the current \n"
83 " packet (default value is %u) \n";
89 APP_DEFAULT_NIC_RX_RING_SIZE,
90 APP_DEFAULT_RING_RX_SIZE,
91 APP_DEFAULT_RING_TX_SIZE,
92 APP_DEFAULT_NIC_TX_RING_SIZE,
93 APP_DEFAULT_BURST_SIZE_IO_RX_READ,
94 APP_DEFAULT_BURST_SIZE_IO_RX_WRITE,
95 APP_DEFAULT_BURST_SIZE_WORKER_READ,
96 APP_DEFAULT_BURST_SIZE_WORKER_WRITE,
97 APP_DEFAULT_BURST_SIZE_IO_TX_READ,
98 APP_DEFAULT_BURST_SIZE_IO_TX_WRITE,
99 APP_DEFAULT_IO_RX_LB_POS
103 #ifndef APP_ARG_RX_MAX_CHARS
104 #define APP_ARG_RX_MAX_CHARS 4096
107 #ifndef APP_ARG_RX_MAX_TUPLES
108 #define APP_ARG_RX_MAX_TUPLES 128
112 str_to_unsigned_array(
113 const char *s, size_t sbuflen,
119 char *splits[num_vals];
121 int i, num_splits = 0;
123 /* copy s so we don't modify original string */
124 strlcpy(str, s, sizeof(str));
125 num_splits = rte_strsplit(str, sizeof(str), splits, num_vals, separator);
128 for (i = 0; i < num_splits; i++) {
129 vals[i] = strtoul(splits[i], &endptr, 0);
130 if (errno != 0 || *endptr != '\0')
138 str_to_unsigned_vals(
142 unsigned num_vals, ...)
144 unsigned i, vals[num_vals];
147 num_vals = str_to_unsigned_array(s, sbuflen, separator, num_vals, vals);
149 va_start(ap, num_vals);
150 for (i = 0; i < num_vals; i++) {
151 unsigned *u = va_arg(ap, unsigned *);
159 parse_arg_rx(const char *arg)
161 const char *p0 = arg, *p = arg;
164 if (strnlen(arg, APP_ARG_RX_MAX_CHARS + 1) == APP_ARG_RX_MAX_CHARS + 1) {
169 while ((p = strchr(p0,'(')) != NULL) {
170 struct app_lcore_params *lp;
171 uint32_t port, queue, lcore, i;
173 p0 = strchr(p++, ')');
175 (str_to_unsigned_vals(p, p0 - p, ',', 3, &port, &queue, &lcore) != 3)) {
179 /* Enable port and queue for later initialization */
180 if ((port >= APP_MAX_NIC_PORTS) || (queue >= APP_MAX_RX_QUEUES_PER_NIC_PORT)) {
183 if (app.nic_rx_queue_mask[port][queue] != 0) {
186 app.nic_rx_queue_mask[port][queue] = 1;
188 /* Check and assign (port, queue) to I/O lcore */
189 if (rte_lcore_is_enabled(lcore) == 0) {
193 if (lcore >= APP_MAX_LCORES) {
196 lp = &app.lcore_params[lcore];
197 if (lp->type == e_APP_LCORE_WORKER) {
200 lp->type = e_APP_LCORE_IO;
201 const size_t n_queues = RTE_MIN(lp->io.rx.n_nic_queues,
202 RTE_DIM(lp->io.rx.nic_queues));
203 for (i = 0; i < n_queues; i ++) {
204 if ((lp->io.rx.nic_queues[i].port == port) &&
205 (lp->io.rx.nic_queues[i].queue == queue)) {
209 if (lp->io.rx.n_nic_queues >= APP_MAX_NIC_RX_QUEUES_PER_IO_LCORE) {
212 lp->io.rx.nic_queues[lp->io.rx.n_nic_queues].port = port;
213 lp->io.rx.nic_queues[lp->io.rx.n_nic_queues].queue = (uint8_t) queue;
214 lp->io.rx.n_nic_queues ++;
217 if (n_tuples > APP_ARG_RX_MAX_TUPLES) {
229 #ifndef APP_ARG_TX_MAX_CHARS
230 #define APP_ARG_TX_MAX_CHARS 4096
233 #ifndef APP_ARG_TX_MAX_TUPLES
234 #define APP_ARG_TX_MAX_TUPLES 128
238 parse_arg_tx(const char *arg)
240 const char *p0 = arg, *p = arg;
243 if (strnlen(arg, APP_ARG_TX_MAX_CHARS + 1) == APP_ARG_TX_MAX_CHARS + 1) {
248 while ((p = strchr(p0,'(')) != NULL) {
249 struct app_lcore_params *lp;
250 uint32_t port, lcore, i;
252 p0 = strchr(p++, ')');
254 (str_to_unsigned_vals(p, p0 - p, ',', 2, &port, &lcore) != 2)) {
258 /* Enable port and queue for later initialization */
259 if (port >= APP_MAX_NIC_PORTS) {
262 if (app.nic_tx_port_mask[port] != 0) {
265 app.nic_tx_port_mask[port] = 1;
267 /* Check and assign (port, queue) to I/O lcore */
268 if (rte_lcore_is_enabled(lcore) == 0) {
272 if (lcore >= APP_MAX_LCORES) {
275 lp = &app.lcore_params[lcore];
276 if (lp->type == e_APP_LCORE_WORKER) {
279 lp->type = e_APP_LCORE_IO;
280 const size_t n_ports = RTE_MIN(lp->io.tx.n_nic_ports,
281 RTE_DIM(lp->io.tx.nic_ports));
282 for (i = 0; i < n_ports; i ++) {
283 if (lp->io.tx.nic_ports[i] == port) {
287 if (lp->io.tx.n_nic_ports >= APP_MAX_NIC_TX_PORTS_PER_IO_LCORE) {
290 lp->io.tx.nic_ports[lp->io.tx.n_nic_ports] = port;
291 lp->io.tx.n_nic_ports ++;
294 if (n_tuples > APP_ARG_TX_MAX_TUPLES) {
306 #ifndef APP_ARG_W_MAX_CHARS
307 #define APP_ARG_W_MAX_CHARS 4096
310 #ifndef APP_ARG_W_MAX_TUPLES
311 #define APP_ARG_W_MAX_TUPLES APP_MAX_WORKER_LCORES
315 parse_arg_w(const char *arg)
320 if (strnlen(arg, APP_ARG_W_MAX_CHARS + 1) == APP_ARG_W_MAX_CHARS + 1) {
326 struct app_lcore_params *lp;
330 lcore = strtoul(p, NULL, 0);
335 /* Check and enable worker lcore */
336 if (rte_lcore_is_enabled(lcore) == 0) {
340 if (lcore >= APP_MAX_LCORES) {
343 lp = &app.lcore_params[lcore];
344 if (lp->type == e_APP_LCORE_IO) {
347 lp->type = e_APP_LCORE_WORKER;
350 if (n_tuples > APP_ARG_W_MAX_TUPLES) {
365 if ((n_tuples & (n_tuples - 1)) != 0) {
372 #ifndef APP_ARG_LPM_MAX_CHARS
373 #define APP_ARG_LPM_MAX_CHARS 4096
377 parse_arg_lpm(const char *arg)
379 const char *p = arg, *p0;
381 if (strnlen(arg, APP_ARG_LPM_MAX_CHARS + 1) == APP_ARG_TX_MAX_CHARS + 1) {
386 uint32_t ip_a, ip_b, ip_c, ip_d, ip, depth, if_out;
391 (str_to_unsigned_vals(p, p0 - p, '.', 4, &ip_a, &ip_b, &ip_c, &ip_d) != 4)) {
397 depth = strtoul(p, &endptr, 0);
398 if (errno != 0 || *endptr != '=') {
405 if_out = strtoul(++p, &endptr, 0);
406 if (errno != 0 || (*endptr != '\0' && *endptr != ';')) {
410 if ((ip_a >= 256) || (ip_b >= 256) || (ip_c >= 256) || (ip_d >= 256) ||
411 (depth == 0) || (depth >= 32) ||
412 (if_out >= APP_MAX_NIC_PORTS)) {
415 ip = (ip_a << 24) | (ip_b << 16) | (ip_c << 8) | ip_d;
417 if (app.n_lpm_rules >= APP_MAX_LPM_RULES) {
420 app.lpm_rules[app.n_lpm_rules].ip = ip;
421 app.lpm_rules[app.n_lpm_rules].depth = (uint8_t) depth;
422 app.lpm_rules[app.n_lpm_rules].if_out = (uint8_t) if_out;
432 if (app.n_lpm_rules == 0) {
440 app_check_lpm_table(void)
444 /* For each rule, check that the output I/F is enabled */
445 for (rule = 0; rule < app.n_lpm_rules; rule ++)
447 uint32_t port = app.lpm_rules[rule].if_out;
449 if (app.nic_tx_port_mask[port] == 0) {
458 app_check_every_rx_port_is_tx_enabled(void)
462 for (port = 0; port < APP_MAX_NIC_PORTS; port ++) {
463 if ((app_get_nic_rx_queues_per_port(port) > 0) && (app.nic_tx_port_mask[port] == 0)) {
471 #ifndef APP_ARG_RSZ_CHARS
472 #define APP_ARG_RSZ_CHARS 63
476 parse_arg_rsz(const char *arg)
478 if (strnlen(arg, APP_ARG_RSZ_CHARS + 1) == APP_ARG_RSZ_CHARS + 1) {
482 if (str_to_unsigned_vals(arg, APP_ARG_RSZ_CHARS, ',', 4,
483 &app.nic_rx_ring_size,
486 &app.nic_tx_ring_size) != 4)
490 if ((app.nic_rx_ring_size == 0) ||
491 (app.nic_tx_ring_size == 0) ||
492 (app.ring_rx_size == 0) ||
493 (app.ring_tx_size == 0)) {
500 #ifndef APP_ARG_BSZ_CHARS
501 #define APP_ARG_BSZ_CHARS 63
505 parse_arg_bsz(const char *arg)
507 const char *p = arg, *p0;
508 if (strnlen(arg, APP_ARG_BSZ_CHARS + 1) == APP_ARG_BSZ_CHARS + 1) {
512 p0 = strchr(p++, ')');
514 (str_to_unsigned_vals(p, p0 - p, ',', 2, &app.burst_size_io_rx_read, &app.burst_size_io_rx_write) != 2)) {
523 p0 = strchr(p++, ')');
525 (str_to_unsigned_vals(p, p0 - p, ',', 2, &app.burst_size_worker_read, &app.burst_size_worker_write) != 2)) {
534 p0 = strchr(p++, ')');
536 (str_to_unsigned_vals(p, p0 - p, ',', 2, &app.burst_size_io_tx_read, &app.burst_size_io_tx_write) != 2)) {
540 if ((app.burst_size_io_rx_read == 0) ||
541 (app.burst_size_io_rx_write == 0) ||
542 (app.burst_size_worker_read == 0) ||
543 (app.burst_size_worker_write == 0) ||
544 (app.burst_size_io_tx_read == 0) ||
545 (app.burst_size_io_tx_write == 0)) {
549 if ((app.burst_size_io_rx_read > APP_MBUF_ARRAY_SIZE) ||
550 (app.burst_size_io_rx_write > APP_MBUF_ARRAY_SIZE) ||
551 (app.burst_size_worker_read > APP_MBUF_ARRAY_SIZE) ||
552 (app.burst_size_worker_write > APP_MBUF_ARRAY_SIZE) ||
553 ((2 * app.burst_size_io_tx_read) > APP_MBUF_ARRAY_SIZE) ||
554 (app.burst_size_io_tx_write > APP_MBUF_ARRAY_SIZE)) {
561 #ifndef APP_ARG_NUMERICAL_SIZE_CHARS
562 #define APP_ARG_NUMERICAL_SIZE_CHARS 15
566 parse_arg_pos_lb(const char *arg)
571 if (strnlen(arg, APP_ARG_NUMERICAL_SIZE_CHARS + 1) == APP_ARG_NUMERICAL_SIZE_CHARS + 1) {
576 x = strtoul(arg, &endpt, 10);
577 if (errno != 0 || endpt == arg || *endpt != '\0'){
585 app.pos_lb = (uint8_t) x;
590 /* Parse the argument given in the command line of the application */
592 app_parse_args(int argc, char **argv)
597 char *prgname = argv[0];
598 static struct option lgopts[] = {
611 uint32_t arg_lpm = 0;
612 uint32_t arg_rsz = 0;
613 uint32_t arg_bsz = 0;
614 uint32_t arg_pos_lb = 0;
618 while ((opt = getopt_long(argc, argvopt, "",
619 lgopts, &option_index)) != EOF) {
624 if (!strcmp(lgopts[option_index].name, "rx")) {
626 ret = parse_arg_rx(optarg);
628 printf("Incorrect value for --rx argument (%d)\n", ret);
632 if (!strcmp(lgopts[option_index].name, "tx")) {
634 ret = parse_arg_tx(optarg);
636 printf("Incorrect value for --tx argument (%d)\n", ret);
640 if (!strcmp(lgopts[option_index].name, "w")) {
642 ret = parse_arg_w(optarg);
644 printf("Incorrect value for --w argument (%d)\n", ret);
648 if (!strcmp(lgopts[option_index].name, "lpm")) {
650 ret = parse_arg_lpm(optarg);
652 printf("Incorrect value for --lpm argument (%d)\n", ret);
656 if (!strcmp(lgopts[option_index].name, "rsz")) {
658 ret = parse_arg_rsz(optarg);
660 printf("Incorrect value for --rsz argument (%d)\n", ret);
664 if (!strcmp(lgopts[option_index].name, "bsz")) {
666 ret = parse_arg_bsz(optarg);
668 printf("Incorrect value for --bsz argument (%d)\n", ret);
672 if (!strcmp(lgopts[option_index].name, "pos-lb")) {
674 ret = parse_arg_pos_lb(optarg);
676 printf("Incorrect value for --pos-lb argument (%d)\n", ret);
687 /* Check that all mandatory arguments are provided */
688 if ((arg_rx == 0) || (arg_tx == 0) || (arg_w == 0) || (arg_lpm == 0)){
689 printf("Not all mandatory arguments are present\n");
693 /* Assign default values for the optional arguments not provided */
695 app.nic_rx_ring_size = APP_DEFAULT_NIC_RX_RING_SIZE;
696 app.nic_tx_ring_size = APP_DEFAULT_NIC_TX_RING_SIZE;
697 app.ring_rx_size = APP_DEFAULT_RING_RX_SIZE;
698 app.ring_tx_size = APP_DEFAULT_RING_TX_SIZE;
702 app.burst_size_io_rx_read = APP_DEFAULT_BURST_SIZE_IO_RX_READ;
703 app.burst_size_io_rx_write = APP_DEFAULT_BURST_SIZE_IO_RX_WRITE;
704 app.burst_size_io_tx_read = APP_DEFAULT_BURST_SIZE_IO_TX_READ;
705 app.burst_size_io_tx_write = APP_DEFAULT_BURST_SIZE_IO_TX_WRITE;
706 app.burst_size_worker_read = APP_DEFAULT_BURST_SIZE_WORKER_READ;
707 app.burst_size_worker_write = APP_DEFAULT_BURST_SIZE_WORKER_WRITE;
710 if (arg_pos_lb == 0) {
711 app.pos_lb = APP_DEFAULT_IO_RX_LB_POS;
714 /* Check cross-consistency of arguments */
715 if ((ret = app_check_lpm_table()) < 0) {
716 printf("At least one LPM rule is inconsistent (%d)\n", ret);
719 if (app_check_every_rx_port_is_tx_enabled() < 0) {
720 printf("On LPM lookup miss, packet is sent back on the input port.\n");
721 printf("At least one RX port is not enabled for TX.\n");
726 argv[optind - 1] = prgname;
729 optind = 1; /* reset getopt lib */
734 app_get_nic_rx_queues_per_port(uint16_t port)
738 if (port >= APP_MAX_NIC_PORTS) {
743 for (i = 0; i < APP_MAX_RX_QUEUES_PER_NIC_PORT; i ++) {
744 if (app.nic_rx_queue_mask[port][i] == 1) {
753 app_get_lcore_for_nic_rx(uint16_t port, uint8_t queue, uint32_t *lcore_out)
757 for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
758 struct app_lcore_params_io *lp = &app.lcore_params[lcore].io;
761 if (app.lcore_params[lcore].type != e_APP_LCORE_IO) {
765 const size_t n_queues = RTE_MIN(lp->rx.n_nic_queues,
766 RTE_DIM(lp->rx.nic_queues));
767 for (i = 0; i < n_queues; i ++) {
768 if ((lp->rx.nic_queues[i].port == port) &&
769 (lp->rx.nic_queues[i].queue == queue)) {
780 app_get_lcore_for_nic_tx(uint16_t port, uint32_t *lcore_out)
784 for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
785 struct app_lcore_params_io *lp = &app.lcore_params[lcore].io;
788 if (app.lcore_params[lcore].type != e_APP_LCORE_IO) {
792 const size_t n_ports = RTE_MIN(lp->tx.n_nic_ports,
793 RTE_DIM(lp->tx.nic_ports));
794 for (i = 0; i < n_ports; i ++) {
795 if (lp->tx.nic_ports[i] == port) {
806 app_is_socket_used(uint32_t socket)
810 for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
811 if (app.lcore_params[lcore].type == e_APP_LCORE_DISABLED) {
815 if (socket == rte_lcore_to_socket_id(lcore)) {
824 app_get_lcores_io_rx(void)
826 uint32_t lcore, count;
829 for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
830 struct app_lcore_params_io *lp_io = &app.lcore_params[lcore].io;
832 if ((app.lcore_params[lcore].type != e_APP_LCORE_IO) ||
833 (lp_io->rx.n_nic_queues == 0)) {
844 app_get_lcores_worker(void)
846 uint32_t lcore, count;
849 for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
850 if (app.lcore_params[lcore].type != e_APP_LCORE_WORKER) {
857 if (count > APP_MAX_WORKER_LCORES) {
858 rte_panic("Algorithmic error (too many worker lcores)\n");
866 app_print_params(void)
868 unsigned port, queue, lcore, rule, i, j;
870 /* Print NIC RX configuration */
871 printf("NIC RX ports: ");
872 for (port = 0; port < APP_MAX_NIC_PORTS; port ++) {
873 uint32_t n_rx_queues = app_get_nic_rx_queues_per_port(port);
875 if (n_rx_queues == 0) {
879 printf("%u (", port);
880 for (queue = 0; queue < APP_MAX_RX_QUEUES_PER_NIC_PORT; queue ++) {
881 if (app.nic_rx_queue_mask[port][queue] == 1) {
882 printf("%u ", queue);
889 /* Print I/O lcore RX params */
890 for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
891 struct app_lcore_params_io *lp = &app.lcore_params[lcore].io;
893 if ((app.lcore_params[lcore].type != e_APP_LCORE_IO) ||
894 (lp->rx.n_nic_queues == 0)) {
898 printf("I/O lcore %u (socket %u): ", lcore, rte_lcore_to_socket_id(lcore));
901 for (i = 0; i < lp->rx.n_nic_queues; i ++) {
903 (unsigned) lp->rx.nic_queues[i].port,
904 (unsigned) lp->rx.nic_queues[i].queue);
908 printf("Output rings ");
909 for (i = 0; i < lp->rx.n_rings; i ++) {
910 printf("%p ", lp->rx.rings[i]);
915 /* Print worker lcore RX params */
916 for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
917 struct app_lcore_params_worker *lp = &app.lcore_params[lcore].worker;
919 if (app.lcore_params[lcore].type != e_APP_LCORE_WORKER) {
923 printf("Worker lcore %u (socket %u) ID %u: ",
925 rte_lcore_to_socket_id(lcore),
926 (unsigned)lp->worker_id);
928 printf("Input rings ");
929 for (i = 0; i < lp->n_rings_in; i ++) {
930 printf("%p ", lp->rings_in[i]);
938 /* Print NIC TX configuration */
939 printf("NIC TX ports: ");
940 for (port = 0; port < APP_MAX_NIC_PORTS; port ++) {
941 if (app.nic_tx_port_mask[port] == 1) {
947 /* Print I/O TX lcore params */
948 for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
949 struct app_lcore_params_io *lp = &app.lcore_params[lcore].io;
950 uint32_t n_workers = app_get_lcores_worker();
952 if ((app.lcore_params[lcore].type != e_APP_LCORE_IO) ||
953 (lp->tx.n_nic_ports == 0)) {
957 printf("I/O lcore %u (socket %u): ", lcore, rte_lcore_to_socket_id(lcore));
959 printf("Input rings per TX port ");
960 for (i = 0; i < lp->tx.n_nic_ports; i ++) {
961 port = lp->tx.nic_ports[i];
963 printf("%u (", port);
964 for (j = 0; j < n_workers; j ++) {
965 printf("%p ", lp->tx.rings[port][j]);
974 /* Print worker lcore TX params */
975 for (lcore = 0; lcore < APP_MAX_LCORES; lcore ++) {
976 struct app_lcore_params_worker *lp = &app.lcore_params[lcore].worker;
978 if (app.lcore_params[lcore].type != e_APP_LCORE_WORKER) {
982 printf("Worker lcore %u (socket %u) ID %u: \n",
984 rte_lcore_to_socket_id(lcore),
985 (unsigned)lp->worker_id);
987 printf("Output rings per TX port ");
988 for (port = 0; port < APP_MAX_NIC_PORTS; port ++) {
989 if (lp->rings_out[port] != NULL) {
990 printf("%u (%p) ", port, lp->rings_out[port]);
997 /* Print LPM rules */
998 printf("LPM rules: \n");
999 for (rule = 0; rule < app.n_lpm_rules; rule ++) {
1000 uint32_t ip = app.lpm_rules[rule].ip;
1001 uint8_t depth = app.lpm_rules[rule].depth;
1002 uint8_t if_out = app.lpm_rules[rule].if_out;
1004 printf("\t%u: %u.%u.%u.%u/%u => %u;\n",
1006 (unsigned) (ip & 0xFF000000) >> 24,
1007 (unsigned) (ip & 0x00FF0000) >> 16,
1008 (unsigned) (ip & 0x0000FF00) >> 8,
1009 (unsigned) ip & 0x000000FF,
1016 printf("Ring sizes: NIC RX = %u; Worker in = %u; Worker out = %u; NIC TX = %u;\n",
1017 (unsigned) app.nic_rx_ring_size,
1018 (unsigned) app.ring_rx_size,
1019 (unsigned) app.ring_tx_size,
1020 (unsigned) app.nic_tx_ring_size);
1023 printf("Burst sizes: I/O RX (rd = %u, wr = %u); Worker (rd = %u, wr = %u); I/O TX (rd = %u, wr = %u)\n",
1024 (unsigned) app.burst_size_io_rx_read,
1025 (unsigned) app.burst_size_io_rx_write,
1026 (unsigned) app.burst_size_worker_read,
1027 (unsigned) app.burst_size_worker_write,
1028 (unsigned) app.burst_size_io_tx_read,
1029 (unsigned) app.burst_size_io_tx_write);