netdev - Re: Unable to flush ICMP redirect routes in kernel 3.0+

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Message-ID: <1321636073.3277.38.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC>
Date:	Fri, 18 Nov 2011 18:07:53 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Flavio Leitner <fbl@...hat.com>
Cc:	David Miller <davem@...emloft.net>,
	Ivan Zahariev <famzah@...soft.com>, netdev@...r.kernel.org,
	Vasiliy Kulikov <segoon@...nwall.com>
Subject: Re: Unable to flush ICMP redirect routes in kernel 3.0+

Le vendredi 18 novembre 2011 à 15:05 -0200, Flavio Leitner a écrit :

> Sorry, I meant that we are trying to avoid doing this:
> +			hash = rt_hash(daddr, skeys[s], ikeys[i],rt_genid(net));
> +
> +			rthp = &rt_hash_table[hash].chain;
> +
> +			while ((rt = rcu_dereference(*rthp)) != NULL) {
> +				rthp = &rt->dst.rt_next;

Sure, but this is still needed right now.

Once route cache is removed, this loop wont exist anymore ;)


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