netdev - Re: [RFC PATCH] accounting for socket backlog

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Date:	Mon, 01 Mar 2010 04:12:40 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Zhu Yi <yi.zhu@...el.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Shi, Alex" <alex.shi@...el.com>
Subject: Re: [RFC PATCH] accounting for socket backlog

Le lundi 01 mars 2010 à 11:03 +0800, Zhu Yi a écrit :

> This is my original plan. But davem just mentioned we have to prevent
> from maliciously send frames, that means all protocols using backlog.
> That makes me consider if I should put the check to the generic path.
> 

Sure, check could be done in sk_add_backlog() (including the
atomic_inc(&sk->sk_drops); and kfree_skb(skb);), but make sure a status
is returned so that we can increment SNMP counters at protocol level.



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