From mboxrd@z Thu Jan 1 00:00:00 1970 From: Naohiro Ooiwa Subject: Why doesn't RAW use daddr_cache ? Date: Tue, 15 Jul 2008 10:58:59 +0900 Message-ID: <487C0463.8070705@miraclelinux.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Cc: herbert@gondor.apana.org.au, nicolas.dichtel@6wind.com, usagi-users@linux-ipv6.org To: netdev@vger.kernel.org Return-path: Received: from ns.miraclelinux.com ([219.118.163.66]:19027 "EHLO mail.miraclelinux.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753916AbYGOB7B (ORCPT ); Mon, 14 Jul 2008 21:59:01 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Hi all, I have a question about "daddr_cache" in IPv6. UDP socket uses daddr_cache via p6_sk_dst_lookup()/ip6_dst_store(). But, RAW socket has stopped using it. I'm afraid of performance degrade in RAW. Could you please tell me why "daddr_cache" is deleted in RAW? Note: It's deleted by the following patch. commit 6d3e85ecf22a5e3610df47b9c3fb2fc32cfd35bf commit 497c615abad7ee81994dd592194535aea2aad617 Regards, Naohiro Ooiwa