From: Pavan Nikhilesh <pbhagavatula@marvell.com>
Add service core setup when eventdev and Rx/Tx adapter don't have
internal port capability.
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
examples/l3fwd/l3fwd_eventdev.c | 5 ++
examples/l3fwd/main.c | 93 +++++++++++++++++++++++++++++++++
2 files changed, 98 insertions(+)
@@ -330,4 +330,9 @@ l3fwd_eventdev_resource_setup(struct rte_eth_conf *port_conf)
/* Rx/Tx adapters configuration */
evdev_rsrc->ops.adapter_setup(ethdev_count);
+
+ /* Start event device */
+ ret = rte_event_dev_start(evdev_rsrc->event_d_id);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Error in starting eventdev");
}
@@ -817,6 +817,93 @@ prepare_ptype_parser(uint16_t portid, uint16_t queueid)
return 0;
}
+static inline int
+l3fwd_service_enable(uint32_t service_id)
+{
+ uint8_t min_service_count = UINT8_MAX;
+ uint32_t slcore_array[RTE_MAX_LCORE];
+ unsigned int slcore = 0;
+ uint8_t service_count;
+ int32_t slcore_count;
+
+ if (!rte_service_lcore_count())
+ return -ENOENT;
+
+ slcore_count = rte_service_lcore_list(slcore_array, RTE_MAX_LCORE);
+ if (slcore_count < 0)
+ return -ENOENT;
+ /* Get the core which has least number of services running. */
+ while (slcore_count--) {
+ /* Reset default mapping */
+ rte_service_map_lcore_set(service_id,
+ slcore_array[slcore_count], 0);
+ service_count = rte_service_lcore_count_services(
+ slcore_array[slcore_count]);
+ if (service_count < min_service_count) {
+ slcore = slcore_array[slcore_count];
+ min_service_count = service_count;
+ }
+ }
+ if (rte_service_map_lcore_set(service_id, slcore, 1))
+ return -ENOENT;
+ rte_service_lcore_start(slcore);
+
+ return 0;
+}
+
+static void
+l3fwd_eventdev_service_setup(void)
+{
+ struct l3fwd_eventdev_resources *evdev_rsrc = l3fwd_get_eventdev_rsrc();
+ struct rte_event_dev_info evdev_info;
+ uint32_t service_id, caps;
+ int ret, i;
+
+ rte_event_dev_info_get(evdev_rsrc->event_d_id, &evdev_info);
+ if (evdev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED) {
+ ret = rte_event_dev_service_id_get(evdev_rsrc->event_d_id,
+ &service_id);
+ if (ret != -ESRCH && ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "Error in starting eventdev service\n");
+ l3fwd_service_enable(service_id);
+ }
+
+ for (i = 0; i < evdev_rsrc->rx_adptr.nb_rx_adptr; i++) {
+ ret = rte_event_eth_rx_adapter_caps_get(evdev_rsrc->event_d_id,
+ evdev_rsrc->rx_adptr.rx_adptr[i], &caps);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Failed to get Rx adapter[%d] caps\n",
+ evdev_rsrc->rx_adptr.rx_adptr[i]);
+ ret = rte_event_eth_rx_adapter_service_id_get(
+ evdev_rsrc->event_d_id,
+ &service_id);
+ if (ret != -ESRCH && ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "Error in starting Rx adapter[%d] service\n",
+ evdev_rsrc->rx_adptr.rx_adptr[i]);
+ l3fwd_service_enable(service_id);
+ }
+
+ for (i = 0; i < evdev_rsrc->tx_adptr.nb_tx_adptr; i++) {
+ ret = rte_event_eth_tx_adapter_caps_get(evdev_rsrc->event_d_id,
+ evdev_rsrc->tx_adptr.tx_adptr[i], &caps);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Failed to get Rx adapter[%d] caps\n",
+ evdev_rsrc->tx_adptr.tx_adptr[i]);
+ ret = rte_event_eth_tx_adapter_service_id_get(
+ evdev_rsrc->event_d_id,
+ &service_id);
+ if (ret != -ESRCH && ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "Error in starting Rx adapter[%d] service\n",
+ evdev_rsrc->tx_adptr.tx_adptr[i]);
+ l3fwd_service_enable(service_id);
+ }
+}
+
int
main(int argc, char **argv)
{
@@ -860,6 +947,8 @@ main(int argc, char **argv)
evdev_rsrc->port_mask = enabled_port_mask;
/* Configure eventdev parameters if user has requested */
l3fwd_eventdev_resource_setup(&port_conf);
+ if (evdev_rsrc->enabled)
+ goto skip_port_config;
if (check_lcore_params() < 0)
rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
@@ -1030,6 +1119,7 @@ main(int argc, char **argv)
}
}
+skip_port_config:
printf("\n");
/* start ports */
@@ -1054,6 +1144,9 @@ main(int argc, char **argv)
rte_eth_promiscuous_enable(portid);
}
+ if (evdev_rsrc->enabled)
+ l3fwd_eventdev_service_setup();
+
printf("\n");
for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {