netdev - Re: [PATCH V4 net-next] neigh: new unresolved queue limits

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Message-Id: <20111109.162137.808999062815992591.davem@davemloft.net>
Date:	Wed, 09 Nov 2011 16:21:37 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH V4 net-next] neigh: new unresolved queue limits

From: David Miller <davem@...emloft.net>
Date: Wed, 09 Nov 2011 16:16:44 -0500 (EST)

> From: Eric Dumazet <eric.dumazet@...il.com>
> Date: Wed, 09 Nov 2011 12:14:09 +0100
> 
>> unres_qlen is the number of frames we are able to queue per unresolved
>> neighbour. Its default value (3) was never changed and is responsible
>> for strange drops, especially if IP fragments are used, or multiple
>> sessions start in parallel. Even a single tcp flow can hit this limit.
>  ...
> 
> Ok, I've applied this, let's see what happens :-)

Early answer, build fails.

Please test build this patch with DECNET enabled and resubmit.  The
decnet neigh layer still refers to the removed ->queue_len member.

Thanks.
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