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From: Jim Schutt <jaschut-4OHPYypu0djtX7QSmKvirg@public.gmane.org>
To: Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
Cc: "linux-rdma
	(linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org)"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Vladimir Koushnir
	<vladimirk-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: Re: [EXTERNAL] [PATCH opensm] osm_sa_path_record.c: path_sl may return SL different from requested SL
Date: Wed, 11 Dec 2013 12:29:43 -0700	[thread overview]
Message-ID: <52A8BD27.3020009@sandia.gov> (raw)
In-Reply-To: <52A8B0A4.9040402-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>

On 12/11/2013 11:36 AM, Hal Rosenstock wrote:
> From: Vladimir Koushnir <vladimirk-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

Nice catch!

Acked-by: Jim Schutt <jaschut-4OHPYypu0djtX7QSmKvirg@public.gmane.org>

> 
> Signed-off-by: Vladimir Koushnir <vladimirk-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> Signed-off-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> ---
>  opensm/osm_sa_path_record.c |   20 +++++++++++++++++++-
>  1 files changed, 19 insertions(+), 1 deletions(-)
> 
> diff --git a/opensm/osm_sa_path_record.c b/opensm/osm_sa_path_record.c
> index d2ff93b..8384ece 100644
> --- a/opensm/osm_sa_path_record.c
> +++ b/opensm/osm_sa_path_record.c
> @@ -839,10 +839,28 @@ static ib_api_status_t pr_rcv_get_path_parms(IN osm_sa_t * sa,
>  	 * send the currently computed SL value as a hint and let the routing
>  	 * engine override it.
>  	 */
> -	if (p_re && p_re->path_sl)
> +	if (p_re && p_re->path_sl) {
> +		uint8_t pr_sl;
> +		pr_sl = sl;
> +
>  		sl = p_re->path_sl(p_re->context, sl,
>  				   cl_hton16(src_lid_ho), cl_hton16(dest_lid_ho));
>  
> +		if ((comp_mask & IB_PR_COMPMASK_SL) && (sl != pr_sl)) {
> +			OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 1F2A: "
> +				"Requested SL (%u) doesn't match SL calculated"
> +				"by routing engine (%u) "
> +				"[%s port %d <-> %s port %d]\n",
> +				pr_sl,
> +				sl,
> +				p_src_alias_guid->p_base_port->p_node->print_desc,
> +				p_src_alias_guid->p_base_port->p_physp->port_num,
> +				p_dest_alias_guid->p_base_port->p_node->print_desc,
> +				p_dest_alias_guid->p_base_port->p_physp->port_num);
> +			status = IB_NOT_FOUND;
> +			goto Exit;
> +		}
> +	}
>  	/* reset pkey when raw traffic */
>  	if (comp_mask & IB_PR_COMPMASK_RAWTRAFFIC &&
>  	    cl_ntoh32(p_pr->hop_flow_raw) & (1 << 31))
> 

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      parent reply	other threads:[~2013-12-11 19:29 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-11 18:36 [PATCH opensm] osm_sa_path_record.c: path_sl may return SL different from requested SL Hal Rosenstock
     [not found] ` <52A8B0A4.9040402-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2013-12-11 19:29   ` Jim Schutt [this message]

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