netdev - Re: Application brokne due to XFRMA_ALG_AUTH

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Date:	Tue, 04 Oct 2011 22:35:33 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Eduardo Panisset <eduardo.panisset@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: Application brokne due to XFRMA_ALG_AUTH_TRUNC

On Tue, 2011-10-04 at 18:08 -0300, Eduardo Panisset wrote:
> Hi All,
> 
> I have an application compiled against kernel 2.6.32 and which is
> using XFRMA_MARK (value 20).

It was not defined in 2.6.32.  Perhaps you are using a distribution that
backported this feature incorrectly?

> However the same aplication does not work anymore on kernel 2.6.38.8
> due to XFRMA_MARK has now the value 21 because of a new attribute
> XFRMA_ALG_AUTH_TRUNC inserted before it in the file linux/xfrm.h.
> Now the only solution would be recompiling this application. Is
> correct introducing a new parameter in the middle of an existing enum
> in the kernel headers ?

So far as I can see, in mainline Linux versions the value has always
been 21.

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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