X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fnics%2Fi40e.rst;h=c7c34b62f6e1f72bdd99ae3ae5be8cc0d3de16d0;hb=c62b6e667310a58e444dbaae1d08371a6d221333;hp=53bc02495441130b0f1ac44eb5d33b8b932591a5;hpb=959a4ddb7a646f44424a5de838b05940ce0ea790;p=dpdk.git diff --git a/doc/guides/nics/i40e.rst b/doc/guides/nics/i40e.rst index 53bc024954..c7c34b62f6 100644 --- a/doc/guides/nics/i40e.rst +++ b/doc/guides/nics/i40e.rst @@ -69,6 +69,12 @@ to chapter Tested Platforms/Tested NICs in release notes. +--------------+-----------------------+------------------+ | DPDK version | Kernel driver version | Firmware version | +==============+=======================+==================+ + | 19.11 | 2.9.21 | 7.00 | + +--------------+-----------------------+------------------+ + | 19.08 | 2.8.43 | 7.00 | + +--------------+-----------------------+------------------+ + | 19.05 | 2.7.29 | 6.80 | + +--------------+-----------------------+------------------+ | 19.02 | 2.7.26 | 6.80 | +--------------+-----------------------+------------------+ | 18.11 | 2.4.6 | 6.01 | @@ -181,6 +187,16 @@ Runtime Config Options -w 84:00.0,use-latest-supported-vec=1 +- ``Enable validation for VF message`` (default ``not enabled``) + + The PF counts messages from each VF. If in any period of seconds the message + statistic from a VF exceeds maximal limitation, the PF will ignore any new message + from that VF for some seconds. + Format -- "maximal-message@period-seconds:ignore-seconds" + For example:: + + -w 84:00.0,vf_msg_cfg=80@120:180 + Vector RX Pre-conditions ~~~~~~~~~~~~~~~~~~~~~~~~ For Vector RX it is assumed that the number of descriptor rings will be a power @@ -580,7 +596,7 @@ bandwidth setting. TC TX scheduling mode setting ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -There're 2 TX scheduling modes for TCs, round robin and strict priority mode. +There are 2 TX scheduling modes for TCs, round robin and strict priority mode. If a TC is set to strict priority mode, it can consume unlimited bandwidth. It means if APP has set the max bandwidth for that TC, it comes to no effect. @@ -704,3 +720,9 @@ See :numref:`figure_intel_perf_test_setup` for the performance test setup. * Start creating a stream on packet generator. * Set the Ethernet II type to 0x0800. + +Tx bytes affected by the link status change +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +For firmware versions prior to 6.01 for X710 series and 3.33 for X722 series, the tx_bytes statistics data is affected by +the link down event. Each time the link status changes to down, the tx_bytes decreases 110 bytes.