netdev - Re: esp-hw-offload support for VF of NVIDIA Mellanox ConnectX-6 Ethernet Adapter Cards

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Date:   Tue, 6 Apr 2021 15:44:42 +0800
From:   高钧浩 <gaojunhao0504@...il.com>
To:     Saeed Mahameed <saeed@...nel.org>
Cc:     borisp@...dia.com, Huy Nguyen <huyn@...dia.com>,
        Raed Salem <raeds@...dia.com>, netdev@...r.kernel.org,
        seven.wen@...oud.cn, junhao.gao@...oud.cn
Subject: Re: esp-hw-offload support for VF of NVIDIA Mellanox ConnectX-6
 Ethernet Adapter Cards

Ping ...

Saeed Mahameed <saeed@...nel.org> 于2021年3月30日周二 上午5:05写道：
>
> On Mon, 2021-03-29 at 16:42 +0800, 高钧浩 wrote:
> > Hi Boris,Saeed
> >
> >      I'm enabling esp-hw-offload for VF of NVIDIA Mellanox ConnectX-6
> > Ethernet Adapter Cards, but it doesn't work.
> >      Before I created VF, the esp-hw-offload function of CX-6 is on,
> > after I created VF, the esp-hw-offload function of VF doesn't inherit
> > the esp-hw-offload function of CX-6.
> >      Enable esp-hw-offload could refer to
> > https://docs.mellanox.com/display/OFEDv522200/IPsec+Crypto+Offload.
> >
> >      Create VF steps as follows:
> >      modprobe mlx5_core
> >      echo 2 > /sys/class/net/net2/device/sriov_numvfs
> >      # lspci to get pci bdf number(example:0000:07:00.0)
> >      lspci -nn | grep Mellanox
> >      echo 0000:07:00.2 > /sys/bus/pci/drivers/mlx5_core/unbind
> >      echo 0000:07:00.3 > /sys/bus/pci/drivers/mlx5_core/unbind
> >      /etc/init.d/mst start
> >      mcra /dev/mst/mt4119_pciconf0  0x31500.17  0
> >      devlink dev eswitch set pci/0000:07:00.0  mode switchdev encap
> > enable
> >      echo 0000:07:00.2 > /sys/bus/pci/drivers/mlx5_core/bind
> >      echo 0000:07:00.3 > /sys/bus/pci/drivers/mlx5_core/bind
> >
> >      Then query the esp-hw-offload of VF:
> >      #firstly need to find the created VF(has the properties:
> >      bus-info: 0000:07:00.2, driver: mlx5_core)
> >      ethtool -i eth0 | grep esp-hw-offload
> >      esp-hw-offload: off [fixed]
> >
>
> Huy, Raed, Do you know if we support IPsec inline offload on VFs ?
>
>