From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH net-next RFC 0/5] ipv6: sr: introduce seg6local End.BPF action Date: Tue, 3 Apr 2018 07:51:36 -0700 Message-ID: References: <20180330230326.ol5f2nmucfjdkop4@ast-mbp.dhcp.thefacebook.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, David Lebrun , Daniel Borkmann To: David Lebrun , Mathieu Xhonneux , Alexei Starovoitov Return-path: Received: from mail-pl0-f50.google.com ([209.85.160.50]:38795 "EHLO mail-pl0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751231AbeDCOvn (ORCPT ); Tue, 3 Apr 2018 10:51:43 -0400 Received: by mail-pl0-f50.google.com with SMTP id k6-v6so4013960pls.5 for ; Tue, 03 Apr 2018 07:51:42 -0700 (PDT) In-Reply-To: Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: On 04/03/2018 07:25 AM, David Lebrun wrote: > > What about saving and restoring the IPv6 CB, similarly to what TCP does with tcp_v6_restore_cb() ? Note that TCP only moves IPCB around in skb->cb[] for cache locality gains. Now we switched to rb-tree for out-of-order queue, these gains might be marginal.