Messages in this thread | | | Date | Mon, 24 Aug 2020 15:01:00 -0700 | From | Alexei Starovoitov <> | Subject | Re: [PATCH bpf-next 0/3] bpf: add MPTCP subflow support |
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On Fri, Aug 21, 2020 at 05:15:38PM +0200, Nicolas Rybowski wrote: > Previously it was not possible to make a distinction between plain TCP > sockets and MPTCP subflow sockets on the BPF_PROG_TYPE_SOCK_OPS hook. > > This patch series now enables a fine control of subflow sockets. In its > current state, it allows to put different sockopt on each subflow from a > same MPTCP connection (socket mark, TCP congestion algorithm, ...) using > BPF programs. > > It should also be the basis of exposing MPTCP-specific fields through BPF.
Looks fine, but I'd like to see the full picture a bit better. What's the point of just 'token' ? What can be done with it? What are you thinking to add later? Also selftest for new feature is mandatory.
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