New upstream version 17.08
[deb_dpdk.git] / drivers / event / sw / sw_evdev.c
index a31aaa6..9c534b7 100644 (file)
@@ -30,6 +30,7 @@
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <inttypes.h>
 #include <string.h>
 
 #include <rte_vdev.h>
 #include <rte_kvargs.h>
 #include <rte_ring.h>
 #include <rte_errno.h>
+#include <rte_event_ring.h>
+#include <rte_service_component.h>
 
 #include "sw_evdev.h"
 #include "iq_ring.h"
-#include "event_ring.h"
 
 #define EVENTDEV_NAME_SW_PMD event_sw
 #define NUMA_NODE_ARG "numa_node"
@@ -90,7 +92,8 @@ sw_port_link(struct rte_eventdev *dev, void *port, const uint8_t queues[],
                } else if (q->type == RTE_SCHED_TYPE_ORDERED) {
                        p->num_ordered_qids++;
                        p->num_qids_mapped++;
-               } else if (q->type == RTE_SCHED_TYPE_ATOMIC) {
+               } else if (q->type == RTE_SCHED_TYPE_ATOMIC ||
+                               q->type == RTE_SCHED_TYPE_PARALLEL) {
                        p->num_qids_mapped++;
                }
 
@@ -138,7 +141,7 @@ sw_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 {
        struct sw_evdev *sw = sw_pmd_priv(dev);
        struct sw_port *p = &sw->ports[port_id];
-       char buf[QE_RING_NAMESIZE];
+       char buf[RTE_RING_NAMESIZE];
        unsigned int i;
 
        struct rte_event_dev_info info;
@@ -159,10 +162,19 @@ sw_port_setup(struct rte_eventdev *dev, uint8_t port_id,
        p->id = port_id;
        p->sw = sw;
 
-       snprintf(buf, sizeof(buf), "sw%d_%s", dev->data->dev_id,
-                       "rx_worker_ring");
-       p->rx_worker_ring = qe_ring_create(buf, MAX_SW_PROD_Q_DEPTH,
-                       dev->data->socket_id);
+       /* check to see if rings exists - port_setup() can be called multiple
+        * times legally (assuming device is stopped). If ring exists, free it
+        * to so it gets re-created with the correct size
+        */
+       snprintf(buf, sizeof(buf), "sw%d_p%u_%s", dev->data->dev_id,
+                       port_id, "rx_worker_ring");
+       struct rte_event_ring *existing_ring = rte_event_ring_lookup(buf);
+       if (existing_ring)
+               rte_event_ring_free(existing_ring);
+
+       p->rx_worker_ring = rte_event_ring_create(buf, MAX_SW_PROD_Q_DEPTH,
+                       dev->data->socket_id,
+                       RING_F_SP_ENQ | RING_F_SC_DEQ | RING_F_EXACT_SZ);
        if (p->rx_worker_ring == NULL) {
                SW_LOG_ERR("Error creating RX worker ring for port %d\n",
                                port_id);
@@ -171,12 +183,18 @@ sw_port_setup(struct rte_eventdev *dev, uint8_t port_id,
 
        p->inflight_max = conf->new_event_threshold;
 
-       snprintf(buf, sizeof(buf), "sw%d_%s", dev->data->dev_id,
-                       "cq_worker_ring");
-       p->cq_worker_ring = qe_ring_create(buf, conf->dequeue_depth,
-                       dev->data->socket_id);
+       /* check if ring exists, same as rx_worker above */
+       snprintf(buf, sizeof(buf), "sw%d_p%u, %s", dev->data->dev_id,
+                       port_id, "cq_worker_ring");
+       existing_ring = rte_event_ring_lookup(buf);
+       if (existing_ring)
+               rte_event_ring_free(existing_ring);
+
+       p->cq_worker_ring = rte_event_ring_create(buf, conf->dequeue_depth,
+                       dev->data->socket_id,
+                       RING_F_SP_ENQ | RING_F_SC_DEQ | RING_F_EXACT_SZ);
        if (p->cq_worker_ring == NULL) {
-               qe_ring_destroy(p->rx_worker_ring);
+               rte_event_ring_free(p->rx_worker_ring);
                SW_LOG_ERR("Error creating CQ worker ring for port %d\n",
                                port_id);
                return -1;
@@ -202,8 +220,8 @@ sw_port_release(void *port)
        if (p == NULL)
                return;
 
-       qe_ring_destroy(p->rx_worker_ring);
-       qe_ring_destroy(p->cq_worker_ring);
+       rte_event_ring_free(p->rx_worker_ring);
+       rte_event_ring_free(p->cq_worker_ring);
        memset(p, 0, sizeof(*p));
 }
 
@@ -435,6 +453,7 @@ sw_info_get(struct rte_eventdev *dev, struct rte_event_dev_info *info)
                        .max_event_port_enqueue_depth = MAX_SW_PROD_Q_DEPTH,
                        .max_num_events = SW_INFLIGHT_EVENTS_TOTAL,
                        .event_dev_cap = (RTE_EVENT_DEV_CAP_QUEUE_QOS |
+                                       RTE_EVENT_DEV_CAP_BURST_MODE |
                                        RTE_EVENT_DEV_CAP_EVENT_QOS),
        };
 
@@ -509,8 +528,9 @@ sw_dump(struct rte_eventdev *dev, FILE *f)
                fprintf(f, "\n");
 
                if (p->rx_worker_ring) {
-                       uint64_t used = qe_ring_count(p->rx_worker_ring);
-                       uint64_t space = qe_ring_free_count(p->rx_worker_ring);
+                       uint64_t used = rte_event_ring_count(p->rx_worker_ring);
+                       uint64_t space = rte_event_ring_free_count(
+                                       p->rx_worker_ring);
                        const char *col = (space == 0) ? COL_RED : COL_RESET;
                        fprintf(f, "\t%srx ring used: %4"PRIu64"\tfree: %4"
                                        PRIu64 COL_RESET"\n", col, used, space);
@@ -518,8 +538,9 @@ sw_dump(struct rte_eventdev *dev, FILE *f)
                        fprintf(f, "\trx ring not initialized.\n");
 
                if (p->cq_worker_ring) {
-                       uint64_t used = qe_ring_count(p->cq_worker_ring);
-                       uint64_t space = qe_ring_free_count(p->cq_worker_ring);
+                       uint64_t used = rte_event_ring_count(p->cq_worker_ring);
+                       uint64_t space = rte_event_ring_free_count(
+                                       p->cq_worker_ring);
                        const char *col = (space == 0) ? COL_RED : COL_RESET;
                        fprintf(f, "\t%scq ring used: %4"PRIu64"\tfree: %4"
                                        PRIu64 COL_RESET"\n", col, used, space);
@@ -559,12 +580,13 @@ sw_dump(struct rte_eventdev *dev, FILE *f)
                                inflights += qid->fids[flow].pcount;
                        }
 
-               uint32_t cq;
-               fprintf(f, "\tInflights: %u\tFlows pinned per port: ",
-                               inflights);
-               for (cq = 0; cq < sw->port_count; cq++)
-                       fprintf(f, "%d ", affinities_per_port[cq]);
-               fprintf(f, "\n");
+               uint32_t port;
+               fprintf(f, "\tPer Port Stats:\n");
+               for (port = 0; port < sw->port_count; port++) {
+                       fprintf(f, "\t  Port %d: Pkts: %"PRIu64, port,
+                                       qid->to_port[port]);
+                       fprintf(f, "\tFlows: %d\n", affinities_per_port[port]);
+               }
 
                uint32_t iq;
                uint32_t iq_printed = 0;
@@ -593,6 +615,13 @@ sw_start(struct rte_eventdev *dev)
 {
        unsigned int i, j;
        struct sw_evdev *sw = sw_pmd_priv(dev);
+
+       /* check a service core is mapped to this service */
+       struct rte_service_spec *s = rte_service_get_by_name(sw->service_name);
+       if (!rte_service_is_running(s))
+               SW_LOG_ERR("Warning: No Service core enabled on service %s\n",
+                               s->name);
+
        /* check all ports are set up */
        for (i = 0; i < sw->port_count; i++)
                if (sw->ports[i].rx_worker_ring == NULL) {
@@ -695,6 +724,14 @@ set_credit_quanta(const char *key __rte_unused, const char *value, void *opaque)
        return 0;
 }
 
+
+static int32_t sw_sched_service_func(void *args)
+{
+       struct rte_eventdev *dev = args;
+       sw_event_schedule(dev);
+       return 0;
+}
+
 static int
 sw_probe(struct rte_vdev_device *vdev)
 {
@@ -792,6 +829,8 @@ sw_probe(struct rte_vdev_device *vdev)
        dev->dev_ops = &evdev_sw_ops;
        dev->enqueue = sw_event_enqueue;
        dev->enqueue_burst = sw_event_enqueue_burst;
+       dev->enqueue_new_burst = sw_event_enqueue_burst;
+       dev->enqueue_forward_burst = sw_event_enqueue_burst;
        dev->dequeue = sw_event_dequeue;
        dev->dequeue_burst = sw_event_dequeue_burst;
        dev->schedule = sw_event_schedule;
@@ -806,6 +845,22 @@ sw_probe(struct rte_vdev_device *vdev)
        sw->credit_update_quanta = credit_quanta;
        sw->sched_quanta = sched_quanta;
 
+       /* register service with EAL */
+       struct rte_service_spec service;
+       memset(&service, 0, sizeof(struct rte_service_spec));
+       snprintf(service.name, sizeof(service.name), "%s_service", name);
+       snprintf(sw->service_name, sizeof(sw->service_name), "%s_service",
+                       name);
+       service.socket_id = socket_id;
+       service.callback = sw_sched_service_func;
+       service.callback_userdata = (void *)dev;
+
+       int32_t ret = rte_service_register(&service);
+       if (ret) {
+               SW_LOG_ERR("service register() failed");
+               return -ENOEXEC;
+       }
+
        return 0;
 }