If an eventdev PMD does not wish to provide event timer adapter ops
definitions, the library will fall back to a default software
implementation whose entry points are added by this commit.
Signed-off-by: Erik Gabriel Carrillo <erik.g.carri...@intel.com>
---
lib/librte_eventdev/rte_event_timer_adapter.c | 107 ++++++++++++++++++++++++++
1 file changed, 107 insertions(+)
diff --git a/lib/librte_eventdev/rte_event_timer_adapter.c
b/lib/librte_eventdev/rte_event_timer_adapter.c
index 3e58db4..540be95 100644
--- a/lib/librte_eventdev/rte_event_timer_adapter.c
+++ b/lib/librte_eventdev/rte_event_timer_adapter.c
@@ -48,6 +48,8 @@
static struct rte_event_timer_adapter adapters[MAX_EVENT_TIMER_ADAPTERS];
+const struct rte_event_timer_adapter_ops sw_event_adapter_timer_ops;
+
static inline int
adapter_valid(const struct rte_event_timer_adapter *adapter)
{
@@ -211,6 +213,12 @@ rte_event_timer_adapter_create_ext(
}
}
+ /* If eventdev PMD did not provide ops, use default software
+ * implementation.
+ */
+ if (adapter->ops == NULL)
+ adapter->ops = &sw_event_adapter_timer_ops;
+
/* Allow driver to do some setup */
FUNC_PTR_OR_NULL_RET_WITH_ERRNO(adapter->ops->init, -ENOTSUP);
ret = adapter->ops->init(adapter);
@@ -318,6 +326,12 @@ rte_event_timer_adapter_lookup(uint16_t adapter_id)
return NULL;
}
+ /* If eventdev PMD did not provide ops, use default software
+ * implementation.
+ */
+ if (adapter->ops == NULL)
+ adapter->ops = &sw_event_adapter_timer_ops;
+
/* Set fast-path function pointers */
adapter->arm_burst = adapter->ops->arm_burst;
adapter->arm_tmo_tick_burst = adapter->ops->arm_tmo_tick_burst;
@@ -393,3 +407,96 @@ rte_event_timer_cancel_burst(const struct
rte_event_timer_adapter *adapter,
return adapter->cancel_burst(adapter, evtims, nb_evtims);
}
+
+/*
+ * Software event timer adapter ops definitions
+ */
+
+static int
+sw_event_timer_adapter_init(struct rte_event_timer_adapter *adapter)
+{
+ RTE_SET_USED(adapter);
+
+ return 0;
+}
+
+static int
+sw_event_timer_adapter_uninit(struct rte_event_timer_adapter *adapter)
+{
+ RTE_SET_USED(adapter);
+
+ return 0;
+}
+
+static int
+sw_event_timer_adapter_start(const struct rte_event_timer_adapter *adapter)
+{
+ RTE_SET_USED(adapter);
+
+ return 0;
+}
+
+static int
+sw_event_timer_adapter_stop(const struct rte_event_timer_adapter *adapter)
+{
+ RTE_SET_USED(adapter);
+
+ return 0;
+}
+
+static void
+sw_event_timer_adapter_get_info(const struct rte_event_timer_adapter *adapter,
+ struct rte_event_timer_adapter_info *adapter_info)
+{
+ RTE_SET_USED(adapter);
+ RTE_SET_USED(adapter_info);
+}
+
+static int
+sw_event_timer_arm_burst(const struct rte_event_timer_adapter *adapter,
+ struct rte_event_timer **evtims,
+ uint16_t nb_evtims)
+{
+ RTE_SET_USED(adapter);
+ RTE_SET_USED(evtims);
+ RTE_SET_USED(nb_evtims);
+
+ return 0;
+}
+
+static int
+sw_event_timer_cancel_burst(const struct rte_event_timer_adapter *adapter,
+ struct rte_event_timer **evtims,
+ uint16_t nb_evtims)
+{
+ RTE_SET_USED(adapter);
+ RTE_SET_USED(evtims);
+ RTE_SET_USED(nb_evtims);
+
+ return 0;
+}
+
+static int
+sw_event_timer_arm_tmo_tick_burst(const struct rte_event_timer_adapter
*adapter,
+ struct rte_event_timer **tims,
+ uint64_t timeout_tick,
+ uint16_t nb_tims)
+{
+ RTE_SET_USED(adapter);
+ RTE_SET_USED(tims);
+ RTE_SET_USED(timeout_tick);
+ RTE_SET_USED(nb_tims);
+
+ return 0;
+}
+
+const struct rte_event_timer_adapter_ops sw_event_adapter_timer_ops = {
+ .init = sw_event_timer_adapter_init,
+ .uninit = sw_event_timer_adapter_uninit,
+ .start = sw_event_timer_adapter_start,
+ .stop = sw_event_timer_adapter_stop,
+ .get_info = sw_event_timer_adapter_get_info,
+ .arm_burst = sw_event_timer_arm_burst,
+ .arm_tmo_tick_burst = sw_event_timer_arm_tmo_tick_burst,
+ .cancel_burst = sw_event_timer_cancel_burst,
+};
--
2.6.4
