twx-linux/include
Parav Pandit 8f01054186 net/mlx5: SF, Add port add delete functionality
To handle SF port management outside of the eswitch as independent
software layer, introduce eswitch notifier APIs so that mlx5 upper
layer who wish to support sf port management in switchdev mode can
perform its task whenever eswitch mode is set to switchdev or before
eswitch is disabled.

Initialize sf port table on such eswitch event.

Add SF port add and delete functionality in switchdev mode.
Destroy all SF ports when eswitch is disabled.
Expose SF port add and delete to user via devlink commands.

$ devlink dev eswitch set pci/0000:06:00.0 mode switchdev

$ devlink port show
pci/0000:06:00.0/65535: type eth netdev ens2f0np0 flavour physical port 0 splittable false

$ devlink port add pci/0000:06:00.0 flavour pcisf pfnum 0 sfnum 88
pci/0000:06:00.0/32768: type eth netdev eth6 flavour pcisf controller 0 pfnum 0 sfnum 88 external false splittable false
  function:
    hw_addr 00:00:00:00:00:00 state inactive opstate detached

$ devlink port show ens2f0npf0sf88
pci/0000:06:00.0/32768: type eth netdev ens2f0npf0sf88 flavour pcisf controller 0 pfnum 0 sfnum 88 external false splittable false
  function:
    hw_addr 00:00:00:00:00:00 state inactive opstate detached

or by its unique port index:
$ devlink port show pci/0000:06:00.0/32768
pci/0000:06:00.0/32768: type eth netdev ens2f0npf0sf88 flavour pcisf controller 0 pfnum 0 sfnum 88 external false splittable false
  function:
    hw_addr 00:00:00:00:00:00 state inactive opstate detached

$ devlink port show ens2f0npf0sf88 -jp
{
    "port": {
        "pci/0000:06:00.0/32768": {
            "type": "eth",
            "netdev": "ens2f0npf0sf88",
            "flavour": "pcisf",
            "controller": 0,
            "pfnum": 0,
            "sfnum": 88,
            "external": false,
            "splittable": false,
            "function": {
                "hw_addr": "00:00:00:00:00:00",
                "state": "inactive",
                "opstate": "detached"
            }
        }
    }
}

Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Vu Pham <vuhuong@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2021-01-22 11:32:10 -08:00
..
acpi More power management updates for 5.11-rc1 2020-12-22 14:12:10 -08:00
asm-generic local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
clocksource
crypto
drm
dt-bindings The core framework got some nice improvements this time around. We gained the 2020-12-21 10:39:37 -08:00
keys
kunit
kvm KVM: arm64: Replace KVM_ARM_PMU with HW_PERF_EVENTS 2021-01-04 16:50:16 +00:00
linux net/mlx5: SF, Add port add delete functionality 2021-01-22 11:32:10 -08:00
math-emu
media
memory
misc
net devlink: Support get and set state of port function 2021-01-22 11:32:08 -08:00
pcmcia
ras
rdma RDMA 5.11 pull request 2020-12-16 13:42:26 -08:00
scsi SCSI misc on 20201216 2020-12-16 13:34:31 -08:00
soc net: mscc: ocelot: configure watermarks using devlink-sb 2021-01-15 20:02:35 -08:00
sound
target
trace Merge branch 'kvm-master' into kvm-next 2021-01-07 18:06:52 -05:00
uapi devlink: Support get and set state of port function 2021-01-22 11:32:08 -08:00
vdso
video
xen