[dpdk-dev] [PATCH 2/2] doc: add notes regarding eventdev producer consumer dependency
Pavan Nikhilesh Bhagavatula
pbhagavatula at marvell.com
Wed Feb 27 21:00:43 CET 2019
From: Pavan Nikhilesh <pbhagavatula at marvell.com>
EventDev i.e consumer needs to be started before starting the
event producers.
Update documentation of EventDev and EventDev adapters.
Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
---
doc/guides/prog_guide/event_crypto_adapter.rst | 5 +++++
doc/guides/prog_guide/event_ethernet_rx_adapter.rst | 5 +++++
doc/guides/prog_guide/event_timer_adapter.rst | 5 +++++
doc/guides/prog_guide/eventdev.rst | 5 +++++
4 files changed, 20 insertions(+)
diff --git a/doc/guides/prog_guide/event_crypto_adapter.rst b/doc/guides/prog_guide/event_crypto_adapter.rst
index 9fe09c805..1e3eb7139 100644
--- a/doc/guides/prog_guide/event_crypto_adapter.rst
+++ b/doc/guides/prog_guide/event_crypto_adapter.rst
@@ -286,6 +286,11 @@ service function if one exists.
rte_event_crypto_adapter_start(id, mode);
+.. Note::
+
+ The eventdev to which the event_crypto_adapter is connected needs to
+ be started before calling rte_event_crypto_adapter_start().
+
Get adapter statistics
~~~~~~~~~~~~~~~~~~~~~~
diff --git a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
index 0166bb45d..e95529974 100644
--- a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
+++ b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
@@ -135,6 +135,11 @@ This function calls the start callbacks of the eventdev PMDs for hardware based
eventdev-ethdev connections and ``rte_service_run_state_set()`` to enable the
service function if one exists.
+.. Note::
+
+ The eventdev to which the event_eth_rx_adapter is connected needs to
+ be started before calling rte_event_eth_rx_adapter_start().
+
Getting Adapter Statistics
~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/doc/guides/prog_guide/event_timer_adapter.rst b/doc/guides/prog_guide/event_timer_adapter.rst
index 3b4446ee9..eb195ebd4 100644
--- a/doc/guides/prog_guide/event_timer_adapter.rst
+++ b/doc/guides/prog_guide/event_timer_adapter.rst
@@ -179,6 +179,11 @@ running the event timer adapter. This function calls the start entry points
defined by eventdev PMDs for hardware implementations or puts a service
component into the running state in the software implementation.
+.. Note::
+
+ The eventdev to which the event_timer_adapter is connected needs to
+ be started before calling rte_event_timer_adapter_start().
+
Arming Event Timers
~~~~~~~~~~~~~~~~~~~
diff --git a/doc/guides/prog_guide/eventdev.rst b/doc/guides/prog_guide/eventdev.rst
index 8fcae5469..dcdfeb75e 100644
--- a/doc/guides/prog_guide/eventdev.rst
+++ b/doc/guides/prog_guide/eventdev.rst
@@ -296,6 +296,11 @@ eventdev.
int err = rte_event_dev_start(dev_id);
+.. Note::
+
+ EventDev needs to be started before starting the event producers such
+ as event_eth_rx_adapter, event_timer_adapter and event_crypto_adapter.
+
Ingress of New Events
~~~~~~~~~~~~~~~~~~~~~
--
2.21.0
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