[v8,07/10] examples/l2fwd-event: add service core setup
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Commit Message
From: Pavan Nikhilesh <pbhagavatula@marvell.com>
Setup service cores for eventdev and Rx/Tx adapter when they don't have
internal port capability.
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
examples/l2fwd-event/l2fwd_event.c | 82 ++++++++++++++++++++++++++++++
examples/l2fwd-event/l2fwd_event.h | 1 +
examples/l2fwd-event/main.c | 3 ++
3 files changed, 86 insertions(+)
@@ -17,6 +17,88 @@
#include "l2fwd_event.h"
+static inline int
+l2fwd_event_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;
+}
+
+void
+l2fwd_event_service_setup(struct l2fwd_resources *rsrc)
+{
+ struct l2fwd_event_resources *evt_rsrc = rsrc->evt_rsrc;
+ struct rte_event_dev_info evdev_info;
+ uint32_t service_id, caps;
+ int ret, i;
+
+ rte_event_dev_info_get(evt_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(evt_rsrc->event_d_id,
+ &service_id);
+ if (ret != -ESRCH && ret != 0)
+ rte_panic("Error in starting eventdev service\n");
+ l2fwd_event_service_enable(service_id);
+ }
+
+ for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) {
+ ret = rte_event_eth_rx_adapter_caps_get(evt_rsrc->event_d_id,
+ evt_rsrc->rx_adptr.rx_adptr[i], &caps);
+ if (ret < 0)
+ rte_panic("Failed to get Rx adapter[%d] caps\n",
+ evt_rsrc->rx_adptr.rx_adptr[i]);
+ ret = rte_event_eth_rx_adapter_service_id_get(
+ evt_rsrc->event_d_id,
+ &service_id);
+ if (ret != -ESRCH && ret != 0)
+ rte_panic("Error in starting Rx adapter[%d] service\n",
+ evt_rsrc->rx_adptr.rx_adptr[i]);
+ l2fwd_event_service_enable(service_id);
+ }
+
+ for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) {
+ ret = rte_event_eth_tx_adapter_caps_get(evt_rsrc->event_d_id,
+ evt_rsrc->tx_adptr.tx_adptr[i], &caps);
+ if (ret < 0)
+ rte_panic("Failed to get Rx adapter[%d] caps\n",
+ evt_rsrc->tx_adptr.tx_adptr[i]);
+ ret = rte_event_eth_tx_adapter_service_id_get(
+ evt_rsrc->event_d_id,
+ &service_id);
+ if (ret != -ESRCH && ret != 0)
+ rte_panic("Error in starting Rx adapter[%d] service\n",
+ evt_rsrc->tx_adptr.tx_adptr[i]);
+ l2fwd_event_service_enable(service_id);
+ }
+}
+
static void
l2fwd_event_capability_setup(struct l2fwd_event_resources *evt_rsrc)
{
@@ -66,5 +66,6 @@ struct l2fwd_event_resources {
void l2fwd_event_resource_setup(struct l2fwd_resources *rsrc);
void l2fwd_event_set_generic_ops(struct event_setup_ops *ops);
void l2fwd_event_set_internal_port_ops(struct event_setup_ops *ops);
+void l2fwd_event_service_setup(struct l2fwd_resources *rsrc);
#endif /* __L2FWD_EVENT_H__ */
@@ -471,6 +471,9 @@ main(int argc, char **argv)
port_id);
}
+ if (rsrc->event_mode)
+ l2fwd_event_service_setup(rsrc);
+
check_all_ports_link_status(rsrc, rsrc->enabled_port_mask);
/* launch per-lcore init on every lcore */