Message ID | 20240628133517.8591-1-gakula@marvell.com (mailing list archive) |
---|---|
Headers | show |
Series | Introduce RVU representors | expand |
On Fri, 28 Jun 2024 19:05:07 +0530 Geetha sowjanya wrote: > This series adds representor support for each rvu devices. > When switchdev mode is enabled, representor netdev is registered > for each rvu device. In implementation of representor model, > one NIX HW LF with multiple SQ and RQ is reserved, where each > RQ and SQ of the LF are mapped to a representor. A loopback channel > is reserved to support packet path between representors and VFs. > CN10K silicon supports 2 types of MACs, RPM and SDP. This > patch set adds representor support for both RPM and SDP MAC > interfaces. > > - Patch 1: Refactors and exports the shared service functions. > - Patch 2: Implements basic representor driver. > - Patch 3: Add devlink support to create representor netdevs that > can be used to manage VFs. > - Patch 4: Implements basec netdev_ndo_ops. > - Patch 5: Installs tcam rules to route packets between representor and > VFs. > - Patch 6: Enables fetching VF stats via representor interface > - Patch 7: Adds support to sync link state between representors and VFs . > - Patch 8: Enables configuring VF MTU via representor netdevs. > - Patch 9: Add representors for sdp MAC. > - Patch 10: Add devlink port support. > > Command to create VF representor > #devlink dev eswitch set pci/0002:1c:00.0 mode switchdev > VF representors are created for each VF when switch mode is set switchdev on representor PCI device > # devlink dev eswitch set pci/0002:1c:00.0 mode switchdev > # ip link show > 25: r0p1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000 > link/ether 32:0f:0f:f0:60:f1 brd ff:ff:ff:ff:ff:ff > 26: r1p1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000 > link/ether 3e:5d:9a:4d:e7:7b brd ff:ff:ff:ff:ff:ff > > #devlink dev > pci/0002:01:00.0 > pci/0002:02:00.0 > pci/0002:03:00.0 > pci/0002:04:00.0 > pci/0002:05:00.0 > pci/0002:06:00.0 > pci/0002:07:00.0 > > ~# devlink port > pci/0002:1c:00.0/0: type eth netdev r0p1v0 flavour pcipf controller 0 pfnum 1 vfnum 0 external false splittable false > pci/0002:1c:00.0/1: type eth netdev r1p1v1 flavour pcivf controller 0 pfnum 1 vfnum 1 external false splittable false > pci/0002:1c:00.0/2: type eth netdev r2p1v2 flavour pcivf controller 0 pfnum 1 vfnum 2 external false splittable false > pci/0002:1c:00.0/3: type eth netdev r3p1v3 flavour pcivf controller 0 pfnum 1 vfnum 3 external false splittable false Please document the state before and after switching modes, and record this information in Documentation/networking/device_drivers/ethernet/marvell/octeontx2.rst In the commands above you seem to operate on a pci/0002:1c:00.0 devlink instance, and yet devlink dev does not list it. You have 2 netdevs, 8 devlinks, 4 ports, and no PF instance. It does not add up..