app/flow-perf: fix hairpin queues setup
[dpdk.git] / app / test-flow-perf / main.c
index 25501df..8d8465f 100644 (file)
@@ -26,6 +26,8 @@
 #include <getopt.h>
 #include <stdbool.h>
 #include <sys/time.h>
+#include <signal.h>
+#include <unistd.h>
 
 #include <rte_malloc.h>
 #include <rte_mempool.h>
 #include <rte_flow.h>
 
 #include "config.h"
+#include "flow_gen.h"
+
+#define MAX_ITERATIONS             100
+#define DEFAULT_RULES_COUNT    4000000
+#define DEFAULT_ITERATION       100000
+
+struct rte_flow *flow;
+static uint8_t flow_group;
+
+static uint64_t flow_items;
+static uint64_t flow_actions;
+static uint64_t flow_attrs;
+
+static volatile bool force_quit;
+static bool dump_iterations;
+static bool delete_flag;
+static bool dump_socket_mem_flag;
+static bool enable_fwd;
 
 static struct rte_mempool *mbuf_mp;
 static uint32_t nb_lcores;
+static uint32_t flows_count;
+static uint32_t iterations_number;
+static uint32_t hairpin_queues_num; /* total hairpin q number - default: 0 */
+static uint32_t nb_lcores;
+
+#define MAX_PKT_BURST    32
+#define LCORE_MODE_PKT    1
+#define LCORE_MODE_STATS  2
+#define MAX_STREAMS      64
+#define MAX_LCORES       64
+
+struct stream {
+       int tx_port;
+       int tx_queue;
+       int rx_port;
+       int rx_queue;
+};
+
+struct lcore_info {
+       int mode;
+       int streams_nb;
+       struct stream streams[MAX_STREAMS];
+       /* stats */
+       uint64_t tx_pkts;
+       uint64_t tx_drops;
+       uint64_t rx_pkts;
+       struct rte_mbuf *pkts[MAX_PKT_BURST];
+} __rte_cache_aligned;
+
+static struct lcore_info lcore_infos[MAX_LCORES];
 
 static void
 usage(char *progname)
 {
        printf("\nusage: %s\n", progname);
+       printf("\nControl configurations:\n");
+       printf("  --flows-count=N: to set the number of needed"
+               " flows to insert, default is 4,000,000\n");
+       printf("  --dump-iterations: To print rates for each"
+               " iteration\n");
+       printf("  --deletion-rate: Enable deletion rate"
+               " calculations\n");
+       printf("  --dump-socket-mem: To dump all socket memory\n");
+       printf("  --enable-fwd: To enable packets forwarding"
+               " after insertion\n");
+
+       printf("To set flow attributes:\n");
+       printf("  --ingress: set ingress attribute in flows\n");
+       printf("  --egress: set egress attribute in flows\n");
+       printf("  --transfer: set transfer attribute in flows\n");
+       printf("  --group=N: set group for all flows,"
+               " default is 0\n");
+
+       printf("To set flow items:\n");
+       printf("  --ether: add ether layer in flow items\n");
+       printf("  --vlan: add vlan layer in flow items\n");
+       printf("  --ipv4: add ipv4 layer in flow items\n");
+       printf("  --ipv6: add ipv6 layer in flow items\n");
+       printf("  --tcp: add tcp layer in flow items\n");
+       printf("  --udp: add udp layer in flow items\n");
+       printf("  --vxlan: add vxlan layer in flow items\n");
+       printf("  --vxlan-gpe: add vxlan-gpe layer in flow items\n");
+       printf("  --gre: add gre layer in flow items\n");
+       printf("  --geneve: add geneve layer in flow items\n");
+       printf("  --gtp: add gtp layer in flow items\n");
+       printf("  --meta: add meta layer in flow items\n");
+       printf("  --tag: add tag layer in flow items\n");
+
+       printf("To set flow actions:\n");
+       printf("  --port-id: add port-id action in flow actions\n");
+       printf("  --rss: add rss action in flow actions\n");
+       printf("  --queue: add queue action in flow actions\n");
+       printf("  --jump: add jump action in flow actions\n");
+       printf("  --mark: add mark action in flow actions\n");
+       printf("  --count: add count action in flow actions\n");
+       printf("  --set-meta: add set meta action in flow actions\n");
+       printf("  --set-tag: add set tag action in flow actions\n");
+       printf("  --drop: add drop action in flow actions\n");
+       printf("  --hairpin-queue=N: add hairpin-queue action in flow actions\n");
+       printf("  --hairpin-rss=N: add hairping-rss action in flow actions\n");
 }
 
 static void
 args_parse(int argc, char **argv)
 {
        char **argvopt;
-       int opt;
+       int n, opt;
        int opt_idx;
-       static struct option lgopts[] = {
+       size_t i;
+
+       static const struct option_dict {
+               const char *str;
+               const uint64_t mask;
+               uint64_t *bitmap;
+       } flow_options[] = {
+               {
+                       .str = "ether",
+                       .mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_ETH),
+                       .bitmap = &flow_items
+               },
+               {
+                       .str = "ipv4",
+                       .mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_IPV4),
+                       .bitmap = &flow_items
+               },
+               {
+                       .str = "ipv6",
+                       .mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_IPV6),
+                       .bitmap = &flow_items
+               },
+               {
+                       .str = "vlan",
+                       .mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_VLAN),
+                       .bitmap = &flow_items
+               },
+               {
+                       .str = "tcp",
+                       .mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_TCP),
+                       .bitmap = &flow_items
+               },
+               {
+                       .str = "udp",
+                       .mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_UDP),
+                       .bitmap = &flow_items
+               },
+               {
+                       .str = "vxlan",
+                       .mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_VXLAN),
+                       .bitmap = &flow_items
+               },
+               {
+                       .str = "vxlan-gpe",
+                       .mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_VXLAN_GPE),
+                       .bitmap = &flow_items
+               },
+               {
+                       .str = "gre",
+                       .mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_GRE),
+                       .bitmap = &flow_items
+               },
+               {
+                       .str = "geneve",
+                       .mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_GENEVE),
+                       .bitmap = &flow_items
+               },
+               {
+                       .str = "gtp",
+                       .mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_GTP),
+                       .bitmap = &flow_items
+               },
+               {
+                       .str = "meta",
+                       .mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_META),
+                       .bitmap = &flow_items
+               },
+               {
+                       .str = "tag",
+                       .mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_TAG),
+                       .bitmap = &flow_items
+               },
+               {
+                       .str = "ingress",
+                       .mask = INGRESS,
+                       .bitmap = &flow_attrs
+               },
+               {
+                       .str = "egress",
+                       .mask = EGRESS,
+                       .bitmap = &flow_attrs
+               },
+               {
+                       .str = "transfer",
+                       .mask = TRANSFER,
+                       .bitmap = &flow_attrs
+               },
+               {
+                       .str = "port-id",
+                       .mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_PORT_ID),
+                       .bitmap = &flow_actions
+               },
+               {
+                       .str = "rss",
+                       .mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_RSS),
+                       .bitmap = &flow_actions
+               },
+               {
+                       .str = "queue",
+                       .mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_QUEUE),
+                       .bitmap = &flow_actions
+               },
+               {
+                       .str = "jump",
+                       .mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_JUMP),
+                       .bitmap = &flow_actions
+               },
+               {
+                       .str = "mark",
+                       .mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_MARK),
+                       .bitmap = &flow_actions
+               },
+               {
+                       .str = "count",
+                       .mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_COUNT),
+                       .bitmap = &flow_actions
+               },
+               {
+                       .str = "set-meta",
+                       .mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_SET_META),
+                       .bitmap = &flow_actions
+               },
+               {
+                       .str = "set-tag",
+                       .mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_SET_TAG),
+                       .bitmap = &flow_actions
+               },
+               {
+                       .str = "drop",
+                       .mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_DROP),
+                       .bitmap = &flow_actions
+               }
+       };
+
+       static const struct option lgopts[] = {
                /* Control */
                { "help",                       0, 0, 0 },
+               { "flows-count",                1, 0, 0 },
+               { "dump-iterations",            0, 0, 0 },
+               { "deletion-rate",              0, 0, 0 },
+               { "dump-socket-mem",            0, 0, 0 },
+               { "enable-fwd",                 0, 0, 0 },
+               /* Attributes */
+               { "ingress",                    0, 0, 0 },
+               { "egress",                     0, 0, 0 },
+               { "transfer",                   0, 0, 0 },
+               { "group",                      1, 0, 0 },
+               /* Items */
+               { "ether",                      0, 0, 0 },
+               { "vlan",                       0, 0, 0 },
+               { "ipv4",                       0, 0, 0 },
+               { "ipv6",                       0, 0, 0 },
+               { "tcp",                        0, 0, 0 },
+               { "udp",                        0, 0, 0 },
+               { "vxlan",                      0, 0, 0 },
+               { "vxlan-gpe",                  0, 0, 0 },
+               { "gre",                        0, 0, 0 },
+               { "geneve",                     0, 0, 0 },
+               { "gtp",                        0, 0, 0 },
+               { "meta",                       0, 0, 0 },
+               { "tag",                        0, 0, 0 },
+               /* Actions */
+               { "port-id",                    0, 0, 0 },
+               { "rss",                        0, 0, 0 },
+               { "queue",                      0, 0, 0 },
+               { "jump",                       0, 0, 0 },
+               { "mark",                       0, 0, 0 },
+               { "count",                      0, 0, 0 },
+               { "set-meta",                   0, 0, 0 },
+               { "set-tag",                    0, 0, 0 },
+               { "drop",                       0, 0, 0 },
+               { "hairpin-queue",              1, 0, 0 },
+               { "hairpin-rss",                1, 0, 0 },
        };
 
+       flow_items = 0;
+       flow_actions = 0;
+       flow_attrs = 0;
+       hairpin_queues_num = 0;
        argvopt = argv;
 
+       printf(":: Flow -> ");
        while ((opt = getopt_long(argc, argvopt, "",
                                lgopts, &opt_idx)) != EOF) {
                switch (opt) {
@@ -65,6 +335,74 @@ args_parse(int argc, char **argv)
                                usage(argv[0]);
                                rte_exit(EXIT_SUCCESS, "Displayed help\n");
                        }
+
+                       if (strcmp(lgopts[opt_idx].name, "group") == 0) {
+                               n = atoi(optarg);
+                               if (n >= 0)
+                                       flow_group = n;
+                               else
+                                       rte_exit(EXIT_SUCCESS,
+                                               "flow group should be >= 0\n");
+                               printf("group %d ", flow_group);
+                       }
+
+                       for (i = 0; i < RTE_DIM(flow_options); i++)
+                               if (strcmp(lgopts[opt_idx].name,
+                                               flow_options[i].str) == 0) {
+                                       *flow_options[i].bitmap |=
+                                               flow_options[i].mask;
+                                       printf("%s / ", flow_options[i].str);
+                               }
+
+                       if (strcmp(lgopts[opt_idx].name,
+                                       "hairpin-rss") == 0) {
+                               n = atoi(optarg);
+                               if (n > 0)
+                                       hairpin_queues_num = n;
+                               else
+                                       rte_exit(EXIT_SUCCESS,
+                                               "Hairpin queues should be > 0\n");
+
+                               flow_actions |= HAIRPIN_RSS_ACTION;
+                               printf("hairpin-rss / ");
+                       }
+                       if (strcmp(lgopts[opt_idx].name,
+                                       "hairpin-queue") == 0) {
+                               n = atoi(optarg);
+                               if (n > 0)
+                                       hairpin_queues_num = n;
+                               else
+                                       rte_exit(EXIT_SUCCESS,
+                                               "Hairpin queues should be > 0\n");
+
+                               flow_actions |= HAIRPIN_QUEUE_ACTION;
+                               printf("hairpin-queue / ");
+                       }
+
+                       /* Control */
+                       if (strcmp(lgopts[opt_idx].name,
+                                       "flows-count") == 0) {
+                               n = atoi(optarg);
+                               if (n > (int) iterations_number)
+                                       flows_count = n;
+                               else {
+                                       printf("\n\nflows_count should be > %d\n",
+                                               iterations_number);
+                                       rte_exit(EXIT_SUCCESS, " ");
+                               }
+                       }
+                       if (strcmp(lgopts[opt_idx].name,
+                                       "dump-iterations") == 0)
+                               dump_iterations = true;
+                       if (strcmp(lgopts[opt_idx].name,
+                                       "deletion-rate") == 0)
+                               delete_flag = true;
+                       if (strcmp(lgopts[opt_idx].name,
+                                       "dump-socket-mem") == 0)
+                               dump_socket_mem_flag = true;
+                       if (strcmp(lgopts[opt_idx].name,
+                                       "enable-fwd") == 0)
+                               enable_fwd = true;
                        break;
                default:
                        fprintf(stderr, "Invalid option: %s\n", argv[optind]);
@@ -73,6 +411,518 @@ args_parse(int argc, char **argv)
                        break;
                }
        }
+       printf("end_flow\n");
+}
+
+/* Dump the socket memory statistics on console */
+static size_t
+dump_socket_mem(FILE *f)
+{
+       struct rte_malloc_socket_stats socket_stats;
+       unsigned int i = 0;
+       size_t total = 0;
+       size_t alloc = 0;
+       size_t free = 0;
+       unsigned int n_alloc = 0;
+       unsigned int n_free = 0;
+       bool active_nodes = false;
+
+
+       for (i = 0; i < RTE_MAX_NUMA_NODES; i++) {
+               if (rte_malloc_get_socket_stats(i, &socket_stats) ||
+                   !socket_stats.heap_totalsz_bytes)
+                       continue;
+               active_nodes = true;
+               total += socket_stats.heap_totalsz_bytes;
+               alloc += socket_stats.heap_allocsz_bytes;
+               free += socket_stats.heap_freesz_bytes;
+               n_alloc += socket_stats.alloc_count;
+               n_free += socket_stats.free_count;
+               if (dump_socket_mem_flag) {
+                       fprintf(f, "::::::::::::::::::::::::::::::::::::::::");
+                       fprintf(f,
+                               "\nSocket %u:\nsize(M) total: %.6lf\nalloc:"
+                               " %.6lf(%.3lf%%)\nfree: %.6lf"
+                               "\nmax: %.6lf"
+                               "\ncount alloc: %u\nfree: %u\n",
+                               i,
+                               socket_stats.heap_totalsz_bytes / 1.0e6,
+                               socket_stats.heap_allocsz_bytes / 1.0e6,
+                               (double)socket_stats.heap_allocsz_bytes * 100 /
+                               (double)socket_stats.heap_totalsz_bytes,
+                               socket_stats.heap_freesz_bytes / 1.0e6,
+                               socket_stats.greatest_free_size / 1.0e6,
+                               socket_stats.alloc_count,
+                               socket_stats.free_count);
+                               fprintf(f, "::::::::::::::::::::::::::::::::::::::::");
+               }
+       }
+       if (dump_socket_mem_flag && active_nodes) {
+               fprintf(f,
+                       "\nTotal: size(M)\ntotal: %.6lf"
+                       "\nalloc: %.6lf(%.3lf%%)\nfree: %.6lf"
+                       "\ncount alloc: %u\nfree: %u\n",
+                       total / 1.0e6, alloc / 1.0e6,
+                       (double)alloc * 100 / (double)total, free / 1.0e6,
+                       n_alloc, n_free);
+               fprintf(f, "::::::::::::::::::::::::::::::::::::::::\n");
+       }
+       return alloc;
+}
+
+static void
+print_flow_error(struct rte_flow_error error)
+{
+       printf("Flow can't be created %d message: %s\n",
+               error.type,
+               error.message ? error.message : "(no stated reason)");
+}
+
+static inline void
+destroy_flows(int port_id, struct rte_flow **flow_list)
+{
+       struct rte_flow_error error;
+       clock_t start_iter, end_iter;
+       double cpu_time_used = 0;
+       double flows_rate;
+       double cpu_time_per_iter[MAX_ITERATIONS];
+       double delta;
+       uint32_t i;
+       int iter_id;
+
+       for (i = 0; i < MAX_ITERATIONS; i++)
+               cpu_time_per_iter[i] = -1;
+
+       if (iterations_number > flows_count)
+               iterations_number = flows_count;
+
+       /* Deletion Rate */
+       printf("Flows Deletion on port = %d\n", port_id);
+       start_iter = clock();
+       for (i = 0; i < flows_count; i++) {
+               if (flow_list[i] == 0)
+                       break;
+
+               memset(&error, 0x33, sizeof(error));
+               if (rte_flow_destroy(port_id, flow_list[i], &error)) {
+                       print_flow_error(error);
+                       rte_exit(EXIT_FAILURE, "Error in deleting flow");
+               }
+
+               if (i && !((i + 1) % iterations_number)) {
+                       /* Save the deletion rate of each iter */
+                       end_iter = clock();
+                       delta = (double) (end_iter - start_iter);
+                       iter_id = ((i + 1) / iterations_number) - 1;
+                       cpu_time_per_iter[iter_id] =
+                               delta / CLOCKS_PER_SEC;
+                       cpu_time_used += cpu_time_per_iter[iter_id];
+                       start_iter = clock();
+               }
+       }
+
+       /* Deletion rate per iteration */
+       if (dump_iterations)
+               for (i = 0; i < MAX_ITERATIONS; i++) {
+                       if (cpu_time_per_iter[i] == -1)
+                               continue;
+                       delta = (double)(iterations_number /
+                               cpu_time_per_iter[i]);
+                       flows_rate = delta / 1000;
+                       printf(":: Iteration #%d: %d flows "
+                               "in %f sec[ Rate = %f K/Sec ]\n",
+                               i, iterations_number,
+                               cpu_time_per_iter[i], flows_rate);
+               }
+
+       /* Deletion rate for all flows */
+       flows_rate = ((double) (flows_count / cpu_time_used) / 1000);
+       printf("\n:: Total flow deletion rate -> %f K/Sec\n",
+               flows_rate);
+       printf(":: The time for deleting %d in flows %f seconds\n",
+               flows_count, cpu_time_used);
+}
+
+static inline void
+flows_handler(void)
+{
+       struct rte_flow **flow_list;
+       struct rte_flow_error error;
+       clock_t start_iter, end_iter;
+       double cpu_time_used;
+       double flows_rate;
+       double cpu_time_per_iter[MAX_ITERATIONS];
+       double delta;
+       uint16_t nr_ports;
+       uint32_t i;
+       int port_id;
+       int iter_id;
+       uint32_t flow_index;
+
+       nr_ports = rte_eth_dev_count_avail();
+
+       for (i = 0; i < MAX_ITERATIONS; i++)
+               cpu_time_per_iter[i] = -1;
+
+       if (iterations_number > flows_count)
+               iterations_number = flows_count;
+
+       printf(":: Flows Count per port: %d\n", flows_count);
+
+       flow_list = rte_zmalloc("flow_list",
+               (sizeof(struct rte_flow *) * flows_count) + 1, 0);
+       if (flow_list == NULL)
+               rte_exit(EXIT_FAILURE, "No Memory available!");
+
+       for (port_id = 0; port_id < nr_ports; port_id++) {
+               cpu_time_used = 0;
+               flow_index = 0;
+               if (flow_group > 0) {
+                       /*
+                        * Create global rule to jump into flow_group,
+                        * this way the app will avoid the default rules.
+                        *
+                        * Global rule:
+                        * group 0 eth / end actions jump group <flow_group>
+                        *
+                        */
+                       flow = generate_flow(port_id, 0, flow_attrs,
+                               FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_ETH),
+                               FLOW_ITEM_MASK(RTE_FLOW_ACTION_TYPE_JUMP),
+                               flow_group, 0, 0, &error);
+
+                       if (flow == NULL) {
+                               print_flow_error(error);
+                               rte_exit(EXIT_FAILURE, "error in creating flow");
+                       }
+                       flow_list[flow_index++] = flow;
+               }
+
+               /* Insertion Rate */
+               printf("Flows insertion on port = %d\n", port_id);
+               start_iter = clock();
+               for (i = 0; i < flows_count; i++) {
+                       flow = generate_flow(port_id, flow_group,
+                               flow_attrs, flow_items, flow_actions,
+                               JUMP_ACTION_TABLE, i,
+                               hairpin_queues_num, &error);
+
+                       if (force_quit)
+                               i = flows_count;
+
+                       if (!flow) {
+                               print_flow_error(error);
+                               rte_exit(EXIT_FAILURE, "error in creating flow");
+                       }
+
+                       flow_list[flow_index++] = flow;
+
+                       if (i && !((i + 1) % iterations_number)) {
+                               /* Save the insertion rate of each iter */
+                               end_iter = clock();
+                               delta = (double) (end_iter - start_iter);
+                               iter_id = ((i + 1) / iterations_number) - 1;
+                               cpu_time_per_iter[iter_id] =
+                                       delta / CLOCKS_PER_SEC;
+                               cpu_time_used += cpu_time_per_iter[iter_id];
+                               start_iter = clock();
+                       }
+               }
+
+               /* Iteration rate per iteration */
+               if (dump_iterations)
+                       for (i = 0; i < MAX_ITERATIONS; i++) {
+                               if (cpu_time_per_iter[i] == -1)
+                                       continue;
+                               delta = (double)(iterations_number /
+                                       cpu_time_per_iter[i]);
+                               flows_rate = delta / 1000;
+                               printf(":: Iteration #%d: %d flows "
+                                       "in %f sec[ Rate = %f K/Sec ]\n",
+                                       i, iterations_number,
+                                       cpu_time_per_iter[i], flows_rate);
+                       }
+
+               /* Insertion rate for all flows */
+               flows_rate = ((double) (flows_count / cpu_time_used) / 1000);
+               printf("\n:: Total flow insertion rate -> %f K/Sec\n",
+                                               flows_rate);
+               printf(":: The time for creating %d in flows %f seconds\n",
+                                               flows_count, cpu_time_used);
+
+               if (delete_flag)
+                       destroy_flows(port_id, flow_list);
+       }
+}
+
+static void
+signal_handler(int signum)
+{
+       if (signum == SIGINT || signum == SIGTERM) {
+               printf("\n\nSignal %d received, preparing to exit...\n",
+                                       signum);
+               printf("Error: Stats are wrong due to sudden signal!\n\n");
+               force_quit = true;
+       }
+}
+
+static inline uint16_t
+do_rx(struct lcore_info *li, uint16_t rx_port, uint16_t rx_queue)
+{
+       uint16_t cnt = 0;
+       cnt = rte_eth_rx_burst(rx_port, rx_queue, li->pkts, MAX_PKT_BURST);
+       li->rx_pkts += cnt;
+       return cnt;
+}
+
+static inline void
+do_tx(struct lcore_info *li, uint16_t cnt, uint16_t tx_port,
+                       uint16_t tx_queue)
+{
+       uint16_t nr_tx = 0;
+       uint16_t i;
+
+       nr_tx = rte_eth_tx_burst(tx_port, tx_queue, li->pkts, cnt);
+       li->tx_pkts  += nr_tx;
+       li->tx_drops += cnt - nr_tx;
+
+       for (i = nr_tx; i < cnt; i++)
+               rte_pktmbuf_free(li->pkts[i]);
+}
+
+/*
+ * Method to convert numbers into pretty numbers that easy
+ * to read. The design here is to add comma after each three
+ * digits and set all of this inside buffer.
+ *
+ * For example if n = 1799321, the output will be
+ * 1,799,321 after this method which is easier to read.
+ */
+static char *
+pretty_number(uint64_t n, char *buf)
+{
+       char p[6][4];
+       int i = 0;
+       int off = 0;
+
+       while (n > 1000) {
+               sprintf(p[i], "%03d", (int)(n % 1000));
+               n /= 1000;
+               i += 1;
+       }
+
+       sprintf(p[i++], "%d", (int)n);
+
+       while (i--)
+               off += sprintf(buf + off, "%s,", p[i]);
+       buf[strlen(buf) - 1] = '\0';
+
+       return buf;
+}
+
+static void
+packet_per_second_stats(void)
+{
+       struct lcore_info *old;
+       struct lcore_info *li, *oli;
+       int nr_lines = 0;
+       int i;
+
+       old = rte_zmalloc("old",
+               sizeof(struct lcore_info) * MAX_LCORES, 0);
+       if (old == NULL)
+               rte_exit(EXIT_FAILURE, "No Memory available!");
+
+       memcpy(old, lcore_infos,
+               sizeof(struct lcore_info) * MAX_LCORES);
+
+       while (!force_quit) {
+               uint64_t total_tx_pkts = 0;
+               uint64_t total_rx_pkts = 0;
+               uint64_t total_tx_drops = 0;
+               uint64_t tx_delta, rx_delta, drops_delta;
+               char buf[3][32];
+               int nr_valid_core = 0;
+
+               sleep(1);
+
+               if (nr_lines) {
+                       char go_up_nr_lines[16];
+
+                       sprintf(go_up_nr_lines, "%c[%dA\r", 27, nr_lines);
+                       printf("%s\r", go_up_nr_lines);
+               }
+
+               printf("\n%6s %16s %16s %16s\n", "core", "tx", "tx drops", "rx");
+               printf("%6s %16s %16s %16s\n", "------", "----------------",
+                       "----------------", "----------------");
+               nr_lines = 3;
+               for (i = 0; i < MAX_LCORES; i++) {
+                       li  = &lcore_infos[i];
+                       oli = &old[i];
+                       if (li->mode != LCORE_MODE_PKT)
+                               continue;
+
+                       tx_delta    = li->tx_pkts  - oli->tx_pkts;
+                       rx_delta    = li->rx_pkts  - oli->rx_pkts;
+                       drops_delta = li->tx_drops - oli->tx_drops;
+                       printf("%6d %16s %16s %16s\n", i,
+                               pretty_number(tx_delta,    buf[0]),
+                               pretty_number(drops_delta, buf[1]),
+                               pretty_number(rx_delta,    buf[2]));
+
+                       total_tx_pkts  += tx_delta;
+                       total_rx_pkts  += rx_delta;
+                       total_tx_drops += drops_delta;
+
+                       nr_valid_core++;
+                       nr_lines += 1;
+               }
+
+               if (nr_valid_core > 1) {
+                       printf("%6s %16s %16s %16s\n", "total",
+                               pretty_number(total_tx_pkts,  buf[0]),
+                               pretty_number(total_tx_drops, buf[1]),
+                               pretty_number(total_rx_pkts,  buf[2]));
+                       nr_lines += 1;
+               }
+
+               memcpy(old, lcore_infos,
+                       sizeof(struct lcore_info) * MAX_LCORES);
+       }
+}
+
+static int
+start_forwarding(void *data __rte_unused)
+{
+       int lcore = rte_lcore_id();
+       int stream_id;
+       uint16_t cnt;
+       struct lcore_info *li = &lcore_infos[lcore];
+
+       if (!li->mode)
+               return 0;
+
+       if (li->mode == LCORE_MODE_STATS) {
+               printf(":: started stats on lcore %u\n", lcore);
+               packet_per_second_stats();
+               return 0;
+       }
+
+       while (!force_quit)
+               for (stream_id = 0; stream_id < MAX_STREAMS; stream_id++) {
+                       if (li->streams[stream_id].rx_port == -1)
+                               continue;
+
+                       cnt = do_rx(li,
+                                       li->streams[stream_id].rx_port,
+                                       li->streams[stream_id].rx_queue);
+                       if (cnt)
+                               do_tx(li, cnt,
+                                       li->streams[stream_id].tx_port,
+                                       li->streams[stream_id].tx_queue);
+               }
+       return 0;
+}
+
+static void
+init_lcore_info(void)
+{
+       int i, j;
+       unsigned int lcore;
+       uint16_t nr_port;
+       uint16_t queue;
+       int port;
+       int stream_id = 0;
+       int streams_per_core;
+       int unassigned_streams;
+       int nb_fwd_streams;
+       nr_port = rte_eth_dev_count_avail();
+
+       /* First logical core is reserved for stats printing */
+       lcore = rte_get_next_lcore(-1, 0, 0);
+       lcore_infos[lcore].mode = LCORE_MODE_STATS;
+
+       /*
+        * Initialize all cores
+        * All cores at first must have -1 value in all streams
+        * This means that this stream is not used, or not set
+        * yet.
+        */
+       for (i = 0; i < MAX_LCORES; i++)
+               for (j = 0; j < MAX_STREAMS; j++) {
+                       lcore_infos[i].streams[j].tx_port = -1;
+                       lcore_infos[i].streams[j].rx_port = -1;
+                       lcore_infos[i].streams[j].tx_queue = -1;
+                       lcore_infos[i].streams[j].rx_queue = -1;
+                       lcore_infos[i].streams_nb = 0;
+               }
+
+       /*
+        * Calculate the total streams count.
+        * Also distribute those streams count between the available
+        * logical cores except first core, since it's reserved for
+        * stats prints.
+        */
+       nb_fwd_streams = nr_port * RXQ_NUM;
+       if ((int)(nb_lcores - 1) >= nb_fwd_streams)
+               for (i = 0; i < (int)(nb_lcores - 1); i++) {
+                       lcore = rte_get_next_lcore(lcore, 0, 0);
+                       lcore_infos[lcore].streams_nb = 1;
+               }
+       else {
+               streams_per_core = nb_fwd_streams / (nb_lcores - 1);
+               unassigned_streams = nb_fwd_streams % (nb_lcores - 1);
+               for (i = 0; i < (int)(nb_lcores - 1); i++) {
+                       lcore = rte_get_next_lcore(lcore, 0, 0);
+                       lcore_infos[lcore].streams_nb = streams_per_core;
+                       if (unassigned_streams) {
+                               lcore_infos[lcore].streams_nb++;
+                               unassigned_streams--;
+                       }
+               }
+       }
+
+       /*
+        * Set the streams for the cores according to each logical
+        * core stream count.
+        * The streams is built on the design of what received should
+        * forward as well, this means that if you received packets on
+        * port 0 queue 0 then the same queue should forward the
+        * packets, using the same logical core.
+        */
+       lcore = rte_get_next_lcore(-1, 0, 0);
+       for (port = 0; port < nr_port; port++) {
+               /* Create FWD stream */
+               for (queue = 0; queue < RXQ_NUM; queue++) {
+                       if (!lcore_infos[lcore].streams_nb ||
+                               !(stream_id % lcore_infos[lcore].streams_nb)) {
+                               lcore = rte_get_next_lcore(lcore, 0, 0);
+                               lcore_infos[lcore].mode = LCORE_MODE_PKT;
+                               stream_id = 0;
+                       }
+                       lcore_infos[lcore].streams[stream_id].rx_queue = queue;
+                       lcore_infos[lcore].streams[stream_id].tx_queue = queue;
+                       lcore_infos[lcore].streams[stream_id].rx_port = port;
+                       lcore_infos[lcore].streams[stream_id].tx_port = port;
+                       stream_id++;
+               }
+       }
+
+       /* Print all streams */
+       printf(":: Stream -> core id[N]: (rx_port, rx_queue)->(tx_port, tx_queue)\n");
+       for (i = 0; i < MAX_LCORES; i++)
+               for (j = 0; j < MAX_STREAMS; j++) {
+                       /* No streams for this core */
+                       if (lcore_infos[i].streams[j].tx_port == -1)
+                               break;
+                       printf("Stream -> core id[%d]: (%d,%d)->(%d,%d)\n",
+                               i,
+                               lcore_infos[i].streams[j].rx_port,
+                               lcore_infos[i].streams[j].rx_queue,
+                               lcore_infos[i].streams[j].tx_port,
+                               lcore_infos[i].streams[j].tx_queue);
+               }
 }
 
 static void
@@ -80,8 +930,13 @@ init_port(void)
 {
        int ret;
        uint16_t std_queue;
+       uint16_t hairpin_queue;
        uint16_t port_id;
        uint16_t nr_ports;
+       uint16_t nr_queues;
+       struct rte_eth_hairpin_conf hairpin_conf = {
+               .peer_count = 1,
+       };
        struct rte_eth_conf port_conf = {
                .rx_adv_conf = {
                        .rss_conf.rss_hf =
@@ -92,6 +947,10 @@ init_port(void)
        struct rte_eth_rxconf rxq_conf;
        struct rte_eth_dev_info dev_info;
 
+       nr_queues = RXQ_NUM;
+       if (hairpin_queues_num != 0)
+               nr_queues = RXQ_NUM + hairpin_queues_num;
+
        nr_ports = rte_eth_dev_count_avail();
        if (nr_ports == 0)
                rte_exit(EXIT_FAILURE, "Error: no port detected\n");
@@ -116,8 +975,8 @@ init_port(void)
 
                printf(":: initializing port: %d\n", port_id);
 
-               ret = rte_eth_dev_configure(port_id, RXQ_NUM,
-                               TXQ_NUM, &port_conf);
+               ret = rte_eth_dev_configure(port_id, nr_queues,
+                               nr_queues, &port_conf);
                if (ret < 0)
                        rte_exit(EXIT_FAILURE,
                                ":: cannot configure device: err=%d, port=%u\n",
@@ -153,6 +1012,43 @@ init_port(void)
                                ":: promiscuous mode enable failed: err=%s, port=%u\n",
                                rte_strerror(-ret), port_id);
 
+               if (hairpin_queues_num != 0) {
+                       /*
+                        * Configure peer which represents hairpin Tx.
+                        * Hairpin queue numbers start after standard queues
+                        * (RXQ_NUM and TXQ_NUM).
+                        */
+                       for (hairpin_queue = RXQ_NUM, std_queue = 0;
+                                       hairpin_queue < nr_queues;
+                                       hairpin_queue++, std_queue++) {
+                               hairpin_conf.peers[0].port = port_id;
+                               hairpin_conf.peers[0].queue =
+                                       std_queue + TXQ_NUM;
+                               ret = rte_eth_rx_hairpin_queue_setup(
+                                               port_id, hairpin_queue,
+                                               NR_RXD, &hairpin_conf);
+                               if (ret != 0)
+                                       rte_exit(EXIT_FAILURE,
+                                               ":: Hairpin rx queue setup failed: err=%d, port=%u\n",
+                                               ret, port_id);
+                       }
+
+                       for (hairpin_queue = TXQ_NUM, std_queue = 0;
+                                       hairpin_queue < nr_queues;
+                                       hairpin_queue++, std_queue++) {
+                               hairpin_conf.peers[0].port = port_id;
+                               hairpin_conf.peers[0].queue =
+                                       std_queue + RXQ_NUM;
+                               ret = rte_eth_tx_hairpin_queue_setup(
+                                               port_id, hairpin_queue,
+                                               NR_TXD, &hairpin_conf);
+                               if (ret != 0)
+                                       rte_exit(EXIT_FAILURE,
+                                               ":: Hairpin tx queue setup failed: err=%d, port=%u\n",
+                                               ret, port_id);
+                       }
+               }
+
                ret = rte_eth_dev_start(port_id);
                if (ret < 0)
                        rte_exit(EXIT_FAILURE,
@@ -169,11 +1065,23 @@ main(int argc, char **argv)
        int ret;
        uint16_t port;
        struct rte_flow_error error;
+       int64_t alloc, last_alloc;
 
        ret = rte_eal_init(argc, argv);
        if (ret < 0)
                rte_exit(EXIT_FAILURE, "EAL init failed\n");
 
+       force_quit = false;
+       dump_iterations = false;
+       flows_count = DEFAULT_RULES_COUNT;
+       iterations_number = DEFAULT_ITERATION;
+       delete_flag = false;
+       dump_socket_mem_flag = false;
+       flow_group = 0;
+
+       signal(SIGINT, signal_handler);
+       signal(SIGTERM, signal_handler);
+
        argc -= ret;
        argv += ret;
        if (argc > 1)
@@ -185,6 +1093,19 @@ main(int argc, char **argv)
        if (nb_lcores <= 1)
                rte_exit(EXIT_FAILURE, "This app needs at least two cores\n");
 
+       last_alloc = (int64_t)dump_socket_mem(stdout);
+       flows_handler();
+       alloc = (int64_t)dump_socket_mem(stdout);
+
+       if (last_alloc)
+               fprintf(stdout, ":: Memory allocation change(M): %.6lf\n",
+               (alloc - last_alloc) / 1.0e6);
+
+       if (enable_fwd) {
+               init_lcore_info();
+               rte_eal_mp_remote_launch(start_forwarding, NULL, CALL_MASTER);
+       }
+
        RTE_ETH_FOREACH_DEV(port) {
                rte_flow_flush(port, &error);
                rte_eth_dev_stop(port);