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From: Eric Dumazet <eric.dumazet@gmail.com>
To: David Lebrun <dav.lebrun@gmail.com>,
	Mathieu Xhonneux <m.xhonneux@gmail.com>,
	Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: netdev@vger.kernel.org, David Lebrun <dlebrun@google.com>,
	Daniel Borkmann <daniel@iogearbox.net>
Subject: Re: [PATCH net-next RFC 0/5] ipv6: sr: introduce seg6local End.BPF action
Date: Tue, 3 Apr 2018 07:51:36 -0700	[thread overview]
Message-ID: <c813e2db-af27-a540-0609-bc7d90ce4378@gmail.com> (raw)
In-Reply-To: <c4e374e8-d385-1f86-cafe-85d983f6c45e@gmail.com>



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.

  reply	other threads:[~2018-04-03 14:51 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-23 10:15 [PATCH net-next RFC 0/5] ipv6: sr: introduce seg6local End.BPF action Mathieu Xhonneux
2018-03-23 10:16 ` [PATCH net-next RFC 1/5] ipv6: sr: export function lookup_nexthop Mathieu Xhonneux
2018-03-23 10:16 ` [PATCH next-next RFC 2/5] bpf: Add IPv6 Segment Routing helpers Mathieu Xhonneux
2018-03-23 10:16 ` [PATCH net-next RFC 3/5] bpf: Split lwt inout verifier structures Mathieu Xhonneux
2018-03-23 10:16 ` [PATCH net-next RFC 4/5] ipv6: sr: Add seg6local action End.BPF Mathieu Xhonneux
2018-03-23 10:16 ` [PATCH net-next RFC 5/5] selftests/bpf: test for seg6local End.BPF action Mathieu Xhonneux
2018-03-30 23:03 ` [PATCH net-next RFC 0/5] ipv6: sr: introduce " Alexei Starovoitov
2018-04-03 11:16   ` Mathieu Xhonneux
2018-04-03 13:40     ` David Lebrun
2018-04-03 14:25       ` David Lebrun
2018-04-03 14:51         ` Eric Dumazet [this message]
2018-04-04  9:34         ` Mathieu Xhonneux
  -- strict thread matches above, loose matches on Subject: below --
2018-04-05  5:10 Alexei Starovoitov

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