linux-kernel - Re: [PATCH] bnx2fc: setup em for npiv port

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Date:	Wed, 23 Mar 2011 17:29:35 -0700
From:	"Bhanu Gollapudi" <bprakash@...adcom.com>
To:	James.Bottomley@...e.de
cc:	"devel@...n-fcoe.org" <devel@...n-fcoe.org>,
	"Vasu Dev" <vasu.dev@...el.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] bnx2fc: setup em for npiv port

On Tue, 2011-03-15 at 16:13 -0700, Vasu Dev wrote: 
> Use fc_exch_mgr_list_clone to setup em for npiv port.
> 
> Also remove redundant vport and lport initializations.
> 
> Signed-off-by: Vasu Dev <vasu.dev@...el.com>
> ---

James, 

We have tested this, and would like to ack it.

Thanks,
Bhanu

> 
>  drivers/scsi/bnx2fc/bnx2fc_fcoe.c |   29 +++++++++++++++--------------
>  1 files changed, 15 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
> index e476e87..71842a7 100644
> --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
> +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
> @@ -1296,20 +1296,17 @@ setup_err:
>  static struct fc_lport *bnx2fc_if_create(struct bnx2fc_hba *hba,
>  				  struct device *parent, int npiv)
>  {
> -	struct fc_lport		*lport = NULL;
> +	struct fc_lport		*lport, *n_port;
>  	struct fcoe_port	*port;
>  	struct Scsi_Host	*shost;
>  	struct fc_vport		*vport = dev_to_vport(parent);
>  	int			rc = 0;
>  
>  	/* Allocate Scsi_Host structure */
> -	if (!npiv) {
> -		lport = libfc_host_alloc(&bnx2fc_shost_template,
> -					  sizeof(struct fcoe_port));
> -	} else {
> -		lport = libfc_vport_create(vport,
> -					   sizeof(struct fcoe_port));
> -	}
> +	if (!npiv)
> +		lport = libfc_host_alloc(&bnx2fc_shost_template, sizeof(*port));
> +	else
> +		lport = libfc_vport_create(vport, sizeof(*port));
>  
>  	if (!lport) {
>  		printk(KERN_ERR PFX "could not allocate scsi host structure\n");
> @@ -1327,7 +1324,6 @@ static struct fc_lport *bnx2fc_if_create(struct bnx2fc_hba *hba,
>  		goto lp_config_err;
>  
>  	if (npiv) {
> -		vport = dev_to_vport(parent);
>  		printk(KERN_ERR PFX "Setting vport names, 0x%llX 0x%llX\n",
>  			vport->node_name, vport->port_name);
>  		fc_set_wwnn(lport, vport->node_name);
> @@ -1356,12 +1352,17 @@ static struct fc_lport *bnx2fc_if_create(struct bnx2fc_hba *hba,
>  	fc_host_port_type(lport->host) = FC_PORTTYPE_UNKNOWN;
>  
>  	/* Allocate exchange manager */
> -	if (!npiv) {
> +	if (!npiv)
>  		rc = bnx2fc_em_config(lport);
> -		if (rc) {
> -			printk(KERN_ERR PFX "Error on bnx2fc_em_config\n");
> -			goto shost_err;
> -		}
> +	else {
> +		shost = vport_to_shost(vport);
> +		n_port = shost_priv(shost);
> +		rc = fc_exch_mgr_list_clone(n_port, lport);
> +	}
> +
> +	if (rc) {
> +		printk(KERN_ERR PFX "Error on bnx2fc_em_config\n");
> +		goto shost_err;
>  	}
>  
>  	bnx2fc_interface_get(hba);
> 
> 



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