Re: Question about SQD in the mlx5_ib driver

[Leon Romanovsky <leon@xxxxxxxxxx>]

On Thu, May 11, 2023 at 04:16:16PM +0000, Haakon Bugge wrote:
> Hi,
> 
> I see that with commit 021c1f24f002 ("RDMA/mlx5: Support SQD2RTS for modify QP"), the driver supports the SQD -> RTS transition. Which is good.
> 
> But I see no way how the driver can transition a QP into SQD in the first place. Is the RTS -> SQD transition missing?

I see this callchain:
  __mlx5_ib_modify_qp ->
	  mlx5_core_qp_modify ->
	  	modify_qp_mbox_alloc
		mlx5_cmd_exec

Thanks

> 
> 
> Thxs, Håkon
>