netdev - Re: [PATCH 1/2] [RFC] NET: Implement a standard ndev

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Message-ID: <466D86B2.8070504@intel.com>
Date:	Mon, 11 Jun 2007 10:30:26 -0700
From:	"Kok, Auke" <auke-jan.h.kok@...el.com>
To:	Stephen Hemminger <shemminger@...ux-foundation.org>
CC:	netdev@...r.kernel.org, jeff@...zik.org, davem@...emloft.net,
	arjan@...ux.intel.com
Subject: Re: [PATCH 1/2] [RFC] NET: Implement a standard ndev_printk family

Stephen Hemminger wrote:
> On Fri, 08 Jun 2007 16:42:31 -0700
> "Kok, Auke" <auke-jan.h.kok@...el.com> wrote:
> 
>> Stephen Hemminger wrote:
>>>>  
>>>> +#define ndev_printk(kern_level, netif_level, netdev, format, arg...) \
>>>> +	do { if ((netdev)->msg_enable & NETIF_MSG_##netif_level) { \
>>>> +		printk(kern_level "%s: " format, \
>>>> +		(netdev)->name, ## arg); } } while (0)
> 
> My preference would be something more like dev_printk or even use that?
> You want to show both device name, and physical attachment in the message.

yes, agreed, but currently netdev->dev->bus_id is bluntly overwritten by 
net-sysfs.c making this not trivial:

+471:        strlcpy(dev->bus_id, net->name, BUS_ID_SIZE);

so now netdev->dev->bus_id contains eth%d as well. I vaguely remember that there 
is another way to get the bus_id back, so I can likely work around it, but this 
particular overwriting of information is a BUG imo, and should be fixed.

Auke
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