netdev - Re: [PATCH net-next v2] be2net: log link status

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Date:	Wed, 22 Apr 2015 07:07:54 -0700
From:	Joe Perches <joe@...ches.com>
To:	Ivan Vecera <ivecera@...hat.com>
Cc:	netdev@...r.kernel.org, Sathya Perla <sathya.perla@...lex.com>,
	Subbu Seetharaman <subbu.seetharaman@...lex.com>,
	Ajit Khaparde <ajit.khaparde@...lex.com>
Subject: Re: [PATCH net-next v2] be2net: log link status

On Wed, 2015-04-22 at 15:43 +0200, Ivan Vecera wrote:
> The driver unlike other drivers does not log link state changes.

Why add all the speed stuff, why not add a query instead?

I think it'd be simpler to add a line like:
	status = be_cmd_link_status_query(adapter, &speed, &status, 0);
before emitting speed/link_status

Question for the emulex folk:

Is the dom argument to link_status_query necessary?
It's currently always 0.

and trivially:

> diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
[]
> @@ -649,7 +649,8 @@ static struct rtnl_link_stats64 *be_get_stats64(struct net_device *netdev,
>  	return stats;
>  }
>  
> -void be_link_status_update(struct be_adapter *adapter, u8 link_status)
> +void be_link_status_update(struct be_adapter *adapter, u8 link_status,
> +			   u16 speed)
>  {
>  	struct net_device *netdev = adapter->netdev;
>  
> @@ -658,10 +659,18 @@ void be_link_status_update(struct be_adapter *adapter, u8 link_status)
>  		adapter->flags |= BE_FLAGS_LINK_STATUS_INIT;
>  	}
>  
> -	if (link_status)
> +	if (link_status) {
> +		if (speed)
> +			/* Print speed only when it is known */
> +			netdev_info(netdev, "Link is Up at %d Mbps\n", speed);

signed/unsigned mismatch. %u, speed


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