examples/ipsec-secgw: allow larger burst size for vectors
[dpdk.git] / examples / ipsec-secgw / event_helper.c
index 865dc91..172ab8e 100644 (file)
 #include <stdbool.h>
 
 #include "event_helper.h"
+#include "ipsec-secgw.h"
+
+#define DEFAULT_VECTOR_SIZE  16
+#define DEFAULT_VECTOR_TMO   102400
 
 static volatile bool eth_core_running;
 
@@ -712,6 +716,16 @@ eh_initialize_eventdev(struct eventmode_conf *em_conf)
                }
        }
 
+       return 0;
+}
+
+static int
+eh_start_eventdev(struct eventmode_conf *em_conf)
+{
+       struct eventdev_params *eventdev_config;
+       int nb_eventdev = em_conf->nb_eventdev;
+       int i, ret;
+
        /* Start event devices */
        for (i = 0; i < nb_eventdev; i++) {
 
@@ -728,6 +742,45 @@ eh_initialize_eventdev(struct eventmode_conf *em_conf)
        return 0;
 }
 
+static int
+eh_event_vector_limits_validate(struct eventmode_conf *em_conf,
+                               uint8_t ev_dev_id, uint8_t ethdev_id)
+{
+       struct rte_event_eth_rx_adapter_vector_limits limits = {0};
+       uint16_t vector_size = em_conf->ext_params.vector_size;
+       int ret;
+
+       ret = rte_event_eth_rx_adapter_vector_limits_get(ev_dev_id, ethdev_id,
+                                                        &limits);
+       if (ret) {
+               EH_LOG_ERR("failed to get vector limits");
+               return ret;
+       }
+
+       if (vector_size < limits.min_sz || vector_size > limits.max_sz) {
+               EH_LOG_ERR("Vector size [%d] not within limits min[%d] max[%d]",
+                          vector_size, limits.min_sz, limits.max_sz);
+               return -EINVAL;
+       }
+
+       if (limits.log2_sz && !rte_is_power_of_2(vector_size)) {
+               EH_LOG_ERR("Vector size [%d] not power of 2", vector_size);
+               return -EINVAL;
+       }
+
+       if (em_conf->vector_tmo_ns > limits.max_timeout_ns ||
+           em_conf->vector_tmo_ns < limits.min_timeout_ns) {
+               EH_LOG_ERR("Vector timeout [%" PRIu64
+                          "] not within limits max[%" PRIu64
+                          "] min[%" PRIu64 "]",
+                          em_conf->vector_tmo_ns,
+                          limits.max_timeout_ns,
+                          limits.min_timeout_ns);
+               return -EINVAL;
+       }
+       return 0;
+}
+
 static int
 eh_rx_adapter_configure(struct eventmode_conf *em_conf,
                struct rx_adapter_conf *adapter)
@@ -736,9 +789,11 @@ eh_rx_adapter_configure(struct eventmode_conf *em_conf,
        struct rte_event_dev_info evdev_default_conf = {0};
        struct rte_event_port_conf port_conf = {0};
        struct rx_adapter_connection_info *conn;
+       uint32_t service_id, socket_id, nb_elem;
+       struct rte_mempool *vector_pool = NULL;
+       uint32_t lcore_id = rte_lcore_id();
+       int ret, portid, nb_ports = 0;
        uint8_t eventdev_id;
-       uint32_t service_id;
-       int ret;
        int j;
 
        /* Get event dev ID */
@@ -751,6 +806,31 @@ eh_rx_adapter_configure(struct eventmode_conf *em_conf,
                return ret;
        }
 
+       RTE_ETH_FOREACH_DEV(portid)
+               if ((em_conf->eth_portmask & (1 << portid)))
+                       nb_ports++;
+
+       if (em_conf->ext_params.event_vector) {
+               socket_id = rte_lcore_to_socket_id(lcore_id);
+
+               if (em_conf->vector_pool_sz) {
+                       nb_elem = em_conf->vector_pool_sz;
+               } else {
+                       nb_elem = (nb_bufs_in_pool /
+                                  em_conf->ext_params.vector_size) + 1;
+                       if (per_port_pool)
+                               nb_elem = nb_ports * nb_elem;
+               }
+
+               vector_pool = rte_event_vector_pool_create(
+                       "vector_pool", nb_elem, 0,
+                       em_conf->ext_params.vector_size,
+                       socket_id);
+               if (vector_pool == NULL) {
+                       EH_LOG_ERR("failed to create event vector pool");
+                       return -ENOMEM;
+               }
+       }
        /* Setup port conf */
        port_conf.new_event_threshold = 1200;
        port_conf.dequeue_depth =
@@ -776,6 +856,20 @@ eh_rx_adapter_configure(struct eventmode_conf *em_conf,
                queue_conf.ev.sched_type = em_conf->ext_params.sched_type;
                queue_conf.ev.event_type = RTE_EVENT_TYPE_ETHDEV;
 
+               if (em_conf->ext_params.event_vector) {
+                       ret = eh_event_vector_limits_validate(em_conf,
+                                                             eventdev_id,
+                                                             conn->ethdev_id);
+                       if (ret)
+                               return ret;
+
+                       queue_conf.vector_sz = em_conf->ext_params.vector_size;
+                       queue_conf.vector_timeout_ns = em_conf->vector_tmo_ns;
+                       queue_conf.vector_mp = vector_pool;
+                       queue_conf.rx_queue_flags =
+                               RTE_EVENT_ETH_RX_ADAPTER_QUEUE_EVENT_VECTOR;
+               }
+
                /* Add queue to the adapter */
                ret = rte_event_eth_rx_adapter_queue_add(adapter->adapter_id,
                                conn->ethdev_id, conn->ethdev_rx_qid,
@@ -1280,7 +1374,7 @@ eh_display_rx_adapter_conf(struct eventmode_conf *em_conf)
        for (i = 0; i < nb_rx_adapter; i++) {
                adapter = &(em_conf->rx_adapter[i]);
                sprintf(print_buf,
-                       "\tRx adaper ID: %-2d\tConnections: %-2d\tEvent dev ID: %-2d",
+                       "\tRx adapter ID: %-2d\tConnections: %-2d\tEvent dev ID: %-2d",
                        adapter->adapter_id,
                        adapter->nb_connections,
                        adapter->eventdev_id);
@@ -1461,20 +1555,23 @@ eh_conf_init(void)
 
        /* Set two cores as eth cores for Rx & Tx */
 
-       /* Use first core other than master core as Rx core */
+       /* Use first core other than main core as Rx core */
        eth_core_id = rte_get_next_lcore(0,     /* curr core */
-                                        1,     /* skip master core */
+                                        1,     /* skip main core */
                                         0      /* wrap */);
 
        rte_bitmap_set(em_conf->eth_core_mask, eth_core_id);
 
        /* Use next core as Tx core */
        eth_core_id = rte_get_next_lcore(eth_core_id,   /* curr core */
-                                        1,             /* skip master core */
+                                        1,             /* skip main core */
                                         0              /* wrap */);
 
        rte_bitmap_set(em_conf->eth_core_mask, eth_core_id);
 
+       em_conf->ext_params.vector_size = DEFAULT_VECTOR_SIZE;
+       em_conf->vector_tmo_ns = DEFAULT_VECTOR_TMO;
+
        return conf;
 
 free_bitmap:
@@ -1583,7 +1680,12 @@ eh_devs_init(struct eh_conf *conf)
                if ((conf->eth_portmask & (1 << port_id)) == 0)
                        continue;
 
-               rte_eth_dev_stop(port_id);
+               ret = rte_eth_dev_stop(port_id);
+               if (ret != 0) {
+                       EH_LOG_ERR("Failed to stop port %u, err: %d",
+                                       port_id, ret);
+                       return ret;
+               }
        }
 
        /* Setup eventdev */
@@ -1607,6 +1709,13 @@ eh_devs_init(struct eh_conf *conf)
                return ret;
        }
 
+       /* Start eventdev */
+       ret = eh_start_eventdev(em_conf);
+       if (ret < 0) {
+               EH_LOG_ERR("Failed to start event dev %d", ret);
+               return ret;
+       }
+
        /* Start eth devices after setting up adapter */
        RTE_ETH_FOREACH_DEV(port_id) {