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Diffstat (limited to 'doc/guides/eventdevs/octeontx.rst')
| -rw-r--r-- | doc/guides/eventdevs/octeontx.rst | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/doc/guides/eventdevs/octeontx.rst b/doc/guides/eventdevs/octeontx.rst index 4fabe54f..3dcf6afb 100644 --- a/doc/guides/eventdevs/octeontx.rst +++ b/doc/guides/eventdevs/octeontx.rst @@ -28,6 +28,9 @@ Features of the OCTEONTX SSOVF PMD are: - Open system with configurable amount of outstanding events - HW accelerated dequeue timeout support to enable power management - SR-IOV VF +- HW managed event timers support through TIMVF, with high precision and + time granularity of 1us. +- Up to 64 event timer adapters. Supported OCTEONTX SoCs ----------------------- @@ -36,7 +39,7 @@ Supported OCTEONTX SoCs Prerequisites ------------- -See :doc: `../platform/octeontx` for setup information. +See :doc:`../platform/octeontx` for setup information. Pre-Installation Configuration ------------------------------ @@ -96,6 +99,16 @@ The tests are run once the vdev creation is successfully complete. --vdev="event_octeontx,self_test=1" +Enable TIMvf stats +------------------ +TIMvf stats can be enabled by using this option, by default the stats are +disabled. + +.. code-block:: console + + --vdev="event_octeontx,timvf_stats=1" + + Limitations ----------- @@ -110,3 +123,19 @@ Rx adapter support When eth_octeontx is used as Rx adapter event schedule type ``RTE_SCHED_TYPE_PARALLEL`` is not supported. + +Event timer adapter support +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +When timvf is used as Event timer adapter the clock source mapping is as +follows: + +.. code-block:: console + + RTE_EVENT_TIMER_ADAPTER_CPU_CLK = TIM_CLK_SRC_SCLK + RTE_EVENT_TIMER_ADAPTER_EXT_CLK0 = TIM_CLK_SRC_GPIO + RTE_EVENT_TIMER_ADAPTER_EXT_CLK1 = TIM_CLK_SRC_GTI + RTE_EVENT_TIMER_ADAPTER_EXT_CLK2 = TIM_CLK_SRC_PTP + +When timvf is used as Event timer adapter event schedule type +``RTE_SCHED_TYPE_PARALLEL`` is not supported. |