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From: Tim Small <tim@seoss.co.uk>
To: Narendra_K@Dell.com
Cc: greg@kroah.com, netdev@vger.kernel.org,
	linux-hotplug@vger.kernel.org, linux-pci@vger.kernel.org,
	Matt_Domsch@Dell.com, Charles_Rose@Dell.com,
	Jordan_Hargrave@Dell.com, Vijay_Nijhawan@Dell.com
Subject: Re: [PATCH] Use firmware provided index to register a network interface
Date: Thu, 07 Oct 2010 14:27:00 +0000	[thread overview]
Message-ID: <4CADD8B4.10102@seoss.co.uk> (raw)
In-Reply-To: <20101007141433.GA2641@libnet-test.oslab.blr.amer.dell.com>

On 07/10/10 15:14, Narendra_K@Dell.com wrote:
> Yes, firmware and BIOS tables can be buggy. How about a command line
> parameter 'no_netfwindex', passing which firmware index will not be
> used to derive ethN names ? That would handle the scenario of buggy
> firmware and names will be derived in the now existing way.
>
> I will submit a patch shortly implementing this.
>    

What was the reason for not doing this in user space again?  You stated 
that you got races when doing renames like eth0 -> eth2, but the 
solution looked like renaming into a different name space such as eth0 
-> ethlom2  etc. so that it wouldn't race with the names handed out by 
the kernel?

Tim.

WARNING: multiple messages have this Message-ID (diff)
From: Tim Small <tim@seoss.co.uk>
To: Narendra_K@Dell.com
Cc: greg@kroah.com, netdev@vger.kernel.org,
	linux-hotplug@vger.kernel.org, linux-pci@vger.kernel.org,
	Matt_Domsch@Dell.com, Charles_Rose@Dell.com,
	Jordan_Hargrave@Dell.com, Vijay_Nijhawan@Dell.com
Subject: Re: [PATCH] Use firmware provided index to register a network interface
Date: Thu, 07 Oct 2010 15:27:00 +0100	[thread overview]
Message-ID: <4CADD8B4.10102@seoss.co.uk> (raw)
In-Reply-To: <20101007141433.GA2641@libnet-test.oslab.blr.amer.dell.com>

On 07/10/10 15:14, Narendra_K@Dell.com wrote:
> Yes, firmware and BIOS tables can be buggy. How about a command line
> parameter 'no_netfwindex', passing which firmware index will not be
> used to derive ethN names ? That would handle the scenario of buggy
> firmware and names will be derived in the now existing way.
>
> I will submit a patch shortly implementing this.
>    

What was the reason for not doing this in user space again?  You stated 
that you got races when doing renames like eth0 -> eth2, but the 
solution looked like renaming into a different name space such as eth0 
-> ethlom2  etc. so that it wouldn't race with the names handed out by 
the kernel?

Tim.

  reply	other threads:[~2010-10-07 14:27 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-22 18:31 [PATCH] Use firmware provided index to register a network interface Narendra K
2010-09-22 18:31 ` Narendra K
2010-09-22 19:22 ` [PATCH] Use firmware provided index to register a network Greg KH
2010-09-22 19:22   ` [PATCH] Use firmware provided index to register a network interface Greg KH
2010-09-23 15:10   ` Narendra_K
2010-09-23 15:22     ` Narendra_K
2010-09-23 15:27     ` [PATCH] Use firmware provided index to register a network Greg KH
2010-09-23 15:27       ` [PATCH] Use firmware provided index to register a network interface Greg KH
2010-09-23 15:50       ` Narendra_K
2010-09-23 15:51         ` Narendra_K
2010-09-23 16:33         ` [PATCH] Use firmware provided index to register a network Greg KH
2010-09-23 16:33           ` [PATCH] Use firmware provided index to register a network interface Greg KH
2010-10-07 14:14           ` Narendra_K
2010-10-07 14:26             ` [PATCH] Use firmware provided index to register a network Narendra_K
2010-10-07 14:27             ` Tim Small [this message]
2010-10-07 14:27               ` [PATCH] Use firmware provided index to register a network interface Tim Small
2010-10-07 14:31             ` [PATCH] Use firmware provided index to register a network Greg KH
2010-10-07 14:31               ` [PATCH] Use firmware provided index to register a network interface Greg KH
2010-09-22 22:07 ` Tim Small
2010-09-22 22:07   ` Tim Small
2010-09-22 22:16   ` [PATCH] Use firmware provided index to register a network Stephen Hemminger
2010-09-22 22:16     ` [PATCH] Use firmware provided index to register a network interface Stephen Hemminger
2010-09-23  6:34     ` Tim Small
2010-09-23  6:34       ` Tim Small
2010-09-23 15:13       ` Narendra_K
2010-09-23 15:25         ` Narendra_K

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