There is an issue with flow control configuration on i40e devices and it has a work around. We add this to documentation as known issue until a permanent solution is developed.
Signed-off-by: Tomasz Konieczny <tomaszx.koniec...@intel.com> --- Documentation/intro/install/dpdk.rst | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/intro/install/dpdk.rst b/Documentation/intro/install/dpdk.rst index dbf88ec..9bc29f4 100644 --- a/Documentation/intro/install/dpdk.rst +++ b/Documentation/intro/install/dpdk.rst @@ -687,6 +687,12 @@ Limitations around is temporary and is expected to be removed once a method is provided by DPDK to query the upper bound MTU value for a given device. +- Flow Control: When using i40e devices (Intel(R) 700 Series) it is recommended + to set Link State Change detection to interrupt mode. Otherwise it has been + observed that using the default polling mode, flow control changes may not be + applied, and flow control states will not be reflected correctly. + The issue is under investigation, this is a temporary work around. + Reporting Bugs -------------- -- 2.7.4 _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
