Re: [PATCH v4] ethdev: Add link_speed lanes support

[Ajit Khaparde <ajit.khaparde@broadcom.com>]

[-- Attachment #1: Type: text/plain, Size: 1720 bytes --]

On Mon, Jul 8, 2024 at 4:30 PM Damodharam Ammepalli
<damodharam.ammepalli@broadcom.com> wrote:
>
> Update the eth_dev_ops structure with new function vectors
> to get, get capabilities and set ethernet link speed lanes.
> Update the testpmd to provide required config and information
> display infrastructure.
>
> The supporting ethernet controller driver will register callbacks
> to avail link speed lanes config and get services. This lanes
> configuration is applicable only when the nic is forced to fixed
> speeds. In Autonegiation mode, the hardware automatically
> negotiates the number of lanes.
>
> These are the new commands.
>
> testpmd> show port 0 speed_lanes capabilities
>
>  Supported speeds         Valid lanes
> -----------------------------------
>  10 Gbps                  1
>  25 Gbps                  1
>  40 Gbps                  4
>  50 Gbps                  1 2
>  100 Gbps                 1 2 4
>  200 Gbps                 2 4
>  400 Gbps                 4 8
> testpmd>
>
> testpmd>
> testpmd> port stop 0
> testpmd> port config 0 speed_lanes 4
> testpmd> port config 0 speed 200000 duplex full
> testpmd> port start 0
> testpmd>
> testpmd> show port info 0
>
> ********************* Infos for port 0  *********************
> MAC address: 14:23:F2:C3:BA:D2
> Device name: 0000:b1:00.0
> Driver name: net_bnxt
> Firmware-version: 228.9.115.0
> Connect to socket: 2
> memory allocation on the socket: 2
> Link status: up
> Link speed: 200 Gbps
> Active Lanes: 4
> Link duplex: full-duplex
> Autoneg status: Off
>
> Signed-off-by: Damodharam Ammepalli <damodharam.ammepalli@broadcom.com>
Acked-by: Ajit Khaparde <ajit.khaparde@broadcom.com>

[-- Attachment #2: S/MIME Cryptographic Signature --]
[-- Type: application/pkcs7-signature, Size: 4218 bytes --]