Re: [PATCH for-next] RDMA/core: Get IB width and speed from netdev

From: Jason Gunthorpe
Date: Thu Jun 01 2023 - 11:57:55 EST


On Mon, May 22, 2023 at 09:25:02AM +0800, Junxian Huang wrote:
> From: Haoyue Xu <xuhaoyue1@xxxxxxxxxxxxx>
>
> Logic of retrieving netdev lanes and speed from net_device and
> translating it to IB width and speed. Also, add a generic function
> to translating netdev speed to IB speed.
>
> Signed-off-by: Haoyue Xu <xuhaoyue1@xxxxxxxxxxxxx>
> Signed-off-by: Luoyouming <luoyouming@xxxxxxxxxx>
> Signed-off-by: Junxian Huang <huangjunxian6@xxxxxxxxxxxxx>
> ---
> drivers/infiniband/core/verbs.c | 19 +++++++++++++++++--
> include/rdma/ib_verbs.h | 26 ++++++++++++++++++++++++++
> 2 files changed, 43 insertions(+), 2 deletions(-)

Can you explain in the commit message why we'd want to do this?

Jason