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From: David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
To: bhutchings-s/n/eUQHGBpZroRs9YW3xA@public.gmane.org
Cc: eli-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org,
	netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org,
	yevgenyp-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org
Subject: Re: [PATCH] net/core: Save the port number a netdevice uses
Date: Wed, 02 Jun 2010 10:12:22 -0700 (PDT)	[thread overview]
Message-ID: <20100602.101222.51286679.davem@davemloft.net> (raw)
In-Reply-To: <1275496949.2115.18.camel-xQnnTUlwzDrdvaEqJLTMTA9jg9n5Vt1AMm0uRHvK7Nw@public.gmane.org>

From: Ben Hutchings <bhutchings-s/n/eUQHGBpZroRs9YW3xA@public.gmane.org>
Date: Wed, 02 Jun 2010 17:42:29 +0100

> On Wed, 2010-05-26 at 02:16 -0700, David Miller wrote:
>> From: Eli Cohen <eli-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
>> Date: Wed, 26 May 2010 12:08:52 +0300
>> 
>> > So if I understand you correctly, you think that I should not bother
>> > to set a default value of 1. Each driver that cares about the value
>> > of this field, will set it however they want.
>> 
>> I actually mean that the value "0" should mean the first port,
>> the value "1" should mean the second port, etc.
> 
> There's a compatibility problem here though: when user-space looks at
> this number it can't tell whether "0" really means the first port or
> that the driver isn't setting dev_id.

That's perfect, it means we don't have to add explicit settings to
drivers which driver only one port.  Ie. the vast majority of
cases.

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      parent reply	other threads:[~2010-06-02 17:12 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-26  8:17 [PATCH] net/core: Save the port number a netdevice uses Eli Cohen
2010-05-26  8:39 ` David Miller
     [not found]   ` <20100526.013926.28807066.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2010-05-26  8:45     ` Eli Cohen
     [not found]       ` <20100526084523.GA28748-8YAHvHwT2UEvbXDkjdHOrw/a8Rv0c6iv@public.gmane.org>
2010-05-26  8:55         ` David Miller
2010-05-26  9:08           ` Eli Cohen
     [not found]             ` <20100526090850.GB28748-8YAHvHwT2UEvbXDkjdHOrw/a8Rv0c6iv@public.gmane.org>
2010-05-26  9:16               ` David Miller
     [not found]                 ` <20100526.021635.179940939.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2010-05-26  9:19                   ` Eli Cohen
2010-06-02 16:42                 ` Ben Hutchings
     [not found]                   ` <1275496949.2115.18.camel-xQnnTUlwzDrdvaEqJLTMTA9jg9n5Vt1AMm0uRHvK7Nw@public.gmane.org>
2010-06-02 17:12                     ` David Miller [this message]

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