linux-kernel - Re: [PATCH v5 15/27] IB/Verbs: Reform rest part in IB-core cma

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Date:	Tue, 21 Apr 2015 20:08:45 -0400
From:	"ira.weiny" <ira.weiny@...el.com>
To:	Michael Wang <yun.wang@...fitbricks.com>
Cc:	Roland Dreier <roland@...nel.org>,
	Sean Hefty <sean.hefty@...el.com>, linux-rdma@...r.kernel.org,
	linux-kernel@...r.kernel.org, hal@....mellanox.co.il,
	Tom Tucker <tom@...ngridcomputing.com>,
	Steve Wise <swise@...ngridcomputing.com>,
	Hoang-Nam Nguyen <hnguyen@...ibm.com>,
	Christoph Raisch <raisch@...ibm.com>,
	Mike Marciniszyn <infinipath@...el.com>,
	Eli Cohen <eli@...lanox.com>,
	Faisal Latif <faisal.latif@...el.com>,
	Jack Morgenstein <jackm@....mellanox.co.il>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Haggai Eran <haggaie@...lanox.com>,
	Tom Talpey <tom@...pey.com>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Doug Ledford <dledford@...hat.com>
Subject: Re: [PATCH v5 15/27] IB/Verbs: Reform rest part in IB-core cma

On Mon, Apr 20, 2015 at 10:38:49AM +0200, Michael Wang wrote:
> 
> Use raw management helpers to reform rest part in IB-core cma.
> 
> Cc: Hal Rosenstock <hal@....mellanox.co.il>
> Cc: Steve Wise <swise@...ngridcomputing.com>
> Cc: Tom Talpey <tom@...pey.com>
> Cc: Jason Gunthorpe <jgunthorpe@...idianresearch.com>
> Cc: Doug Ledford <dledford@...hat.com>
> Cc: Ira Weiny <ira.weiny@...el.com>
> Cc: Sean Hefty <sean.hefty@...el.com>
> Signed-off-by: Michael Wang <yun.wang@...fitbricks.com>

Reviewed-by: Ira Weiny <ira.weiny@...el.com>

> ---
>  drivers/infiniband/core/cma.c | 20 +++++++++-----------
>  1 file changed, 9 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
> index 44e7bb9..ec64b97 100644
> --- a/drivers/infiniband/core/cma.c
> +++ b/drivers/infiniband/core/cma.c
> @@ -468,10 +468,10 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)
>  	pkey = ntohs(addr->sib_pkey);
>  
>  	list_for_each_entry(cur_dev, &dev_list, list) {
> -		if (rdma_node_get_transport(cur_dev->device->node_type) != RDMA_TRANSPORT_IB)
> -			continue;
> -
>  		for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
> +			if (!rdma_ib_or_iboe(cur_dev->device, p))
> +				continue;
> +
>  			if (ib_find_cached_pkey(cur_dev->device, p, pkey, &index))
>  				continue;
>  
> @@ -666,10 +666,9 @@ static int cma_modify_qp_rtr(struct rdma_id_private *id_priv,
>  	if (ret)
>  		goto out;
>  
> -	if (rdma_node_get_transport(id_priv->cma_dev->device->node_type)
> -	    == RDMA_TRANSPORT_IB &&
> -	    rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num)
> -	    == IB_LINK_LAYER_ETHERNET) {
> +	BUG_ON(id_priv->cma_dev->device != id_priv->id.device);
> +
> +	if (rdma_tech_iboe(id_priv->id.device, id_priv->id.port_num)) {
>  		ret = rdma_addr_find_smac_by_sgid(&sgid, qp_attr.smac, NULL);
>  
>  		if (ret)
> @@ -733,11 +732,10 @@ static int cma_ib_init_qp_attr(struct rdma_id_private *id_priv,
>  	int ret;
>  	u16 pkey;
>  
> -	if (rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num) ==
> -	    IB_LINK_LAYER_INFINIBAND)
> -		pkey = ib_addr_get_pkey(dev_addr);
> -	else
> +	if (rdma_tech_iboe(id_priv->id.device, id_priv->id.port_num))
>  		pkey = 0xffff;
> +	else
> +		pkey = ib_addr_get_pkey(dev_addr);
>  
>  	ret = ib_find_cached_pkey(id_priv->id.device, id_priv->id.port_num,
>  				  pkey, &qp_attr->pkey_index);
> -- 
> 2.1.0
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