On Fri, Jan 3, 2014 at 2:43 PM, Joe Stringer <joestrin...@nicira.com> wrote:
> This patch adds the logic used for TCP and UDP in b0f3a2feef
> (datapath: Use percpu allocator for flow-stats.) to SCTP. This should
> help to detect longer-lived flows that match on SCTP, for use with the
> per-cpu allocator for flow-stats.
>
> Signed-off-by: Joe Stringer <joestrin...@nicira.com>
> ---
> Pravin, I noticed that this code was added to TCP and UDP, and am
> guessing that it's just as relevant to SCTP. If this doesn't make sense,
> feel free to drop it.

It wasn't an omission or at least not an accidental one. Not that many
NICs recognize SCTP for the purposes of hashing on the L4 ports, which
is the reason why packets would land on different CPUs. This is just a
heuristic so it's not always right but that was the rationale.
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