[ofw] [PATCH] ibal/cm: allow RDMA writes for QP attributes bydefault

[Leonid Keller]

You may commit it IMO. 

> -----Original Message-----
> From: ofw-bounces at lists.openfabrics.org 
> [mailto:ofw-bounces at lists.openfabrics.org] On Behalf Of Sean Hefty
> Sent: Friday, August 07, 2009 9:43 PM
> To: ofw at lists.openfabrics.org
> Subject: [ofw] [PATCH] ibal/cm: allow RDMA writes for QP 
> attributes bydefault
> 
> Enable remote RDMA writes as the default QP attributes for 
> INIT transitions.  Previously, RDMA writes were only enabled 
> if the CM messages carried a responder resources > 0.  
> However, responder resources indicates whether RDMA 
> reads/atomics should be enabled, not RDMA writes.
> 
> Without this patch, users of winverbs that connect in-band 
> that want to perform RDMA writes without performing RDMA 
> reads will see QP errors when performing writes.
> 
> Signed-off-by: Sean Hefty <sean.hefty at intel.com>
> ---
> This patch needs to be included with WinOF 2.1.
> 
> diff -up -r -X \mshefty\scm\winof\trunk\docs\dontdiff.txt -I 
> '\$Id:' trunk\core\al/kernel/al_cm_cep.c 
> branches\winverbs\core\al/kernel/al_cm_cep.c
> --- trunk\core\al/kernel/al_cm_cep.c	2009-06-11 
> 10:32:59.346125000 -0700
> +++ branches\winverbs\core\al/kernel/al_cm_cep.c	
> 2009-08-07 11:21:30.867045100 -0700
> @@ -6198,12 +6198,10 @@ al_cep_get_init_attr(
>  			p_cep->av[p_cep->idx_primary].attr.port_num;
>  		p_init->state.init.pkey_index =
>  			p_cep->av[p_cep->idx_primary].pkey_index;
> -		p_init->state.init.access_ctrl = IB_AC_LOCAL_WRITE;
> +		p_init->state.init.access_ctrl = IB_AC_LOCAL_WRITE | 
> +IB_AC_RDMA_WRITE;
>  		if ( p_cep->resp_res )
>  		{
> -			p_init->state.init.access_ctrl |= 
> IB_AC_RDMA_READ |
> -								
> 			  IB_AC_RDMA_WRITE |
> -								
> 			  IB_AC_ATOMIC;
> +			p_init->state.init.access_ctrl |= 
> IB_AC_RDMA_READ | IB_AC_ATOMIC;
>  		}
>  		status = IB_SUCCESS;
>  		break;
> 
> 
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