netdev - Re: [PATCH net-next RFC 0/5] ipv6: sr: introduce seg6local End.BPF action

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Date:   Tue, 3 Apr 2018 07:51:36 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     David Lebrun <dav.lebrun@...il.com>,
        Mathieu Xhonneux <m.xhonneux@...il.com>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     netdev@...r.kernel.org, David Lebrun <dlebrun@...gle.com>,
        Daniel Borkmann <daniel@...earbox.net>
Subject: Re: [PATCH net-next RFC 0/5] ipv6: sr: introduce seg6local End.BPF
 action



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.