On 05.02.2018 17:18, Róbert Mulik wrote: > Hi Ilya, > > As I see you are concerned if the code is working, also Eelco mentioned that > the configuration change didn't take effect for him, so I retested the patch. > > I added 2 different types of NICs to OVS on the same server: > > 1 > product: 82599ES 10-Gigabit SFI/SFP+ Network Connection > It uses ixgbe kernel driver by default > > 2 > product: Ethernet Controller XL710 for 40GbE QSFP+ > It uses i40e kernel driver by default > > In my setup I used a Dell 630 with kernel 4.4.0-111-generic, and used > vfio-pci kernel driver for the NICs. > > I monitored the link_state of the dpdk interfaces and the interrupt counters > of /proc/interrupts. > > When I changed either the other_config:dpdk-lsc-interrupt part of > Open_vSwitch, or the options:dpdk-lsc-interrupt part of the NIC by set or > remove, > the behavior was correct: the link_state always changed when reinitialization > was triggered,
That is the key point. When the reinitialization was actually triggered? Was it triggered right after changing the other_config:dpdk-lsc-interrupt ? Or you need some additional manipulations to trigger the actual reconfiguration? > however there were problems with the counters. > > 1. > This NIC worked fine, link_state was OK, interrupt counters were incremented > as expected. > > 2. > The link_state was OK, but there were problems with the counters. > > With the X710 series there are a few problems related to the link_state and > interrupts known by intel too. The faulty behavior can be caused by the > combination of > the FW of the NIC, the kernel version, the dpdk version, and the i40e kernel > driver version (there can be interference between the kernel driver and dpdk > driver). > > > After the verification, as I see the code works fine (the events triggered > when the options are changed), but the XL710 card has problems with the > interrupt configuration. > > Eelco, I know that you are working with X710 series cards. Did you test the > patch on one of them, or on a different type? > When (if) you verify the patch, could you please check it on different NICs > too? > > Thank you! > > Regards, > Robert > _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
