From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Stanislav Fomichev <sdf@google.com>
Cc: brouer@redhat.com, netdev@vger.kernel.org, bpf@vger.kernel.org,
davem@davemloft.net, ast@kernel.org, daniel@iogearbox.net,
simon.horman@netronome.com, willemb@google.com,
peterpenkov96@gmail.com
Subject: Re: [PATCH bpf 5/5] flow_dissector: document BPF flow dissector environment
Date: Wed, 3 Apr 2019 20:34:03 +0200 [thread overview]
Message-ID: <20190403203403.4b6d135d@carbon> (raw)
In-Reply-To: <20190401205734.4400-6-sdf@google.com>
On Mon, 1 Apr 2019 13:57:34 -0700
Stanislav Fomichev <sdf@google.com> wrote:
> diff --git a/Documentation/networking/bpf_flow_dissector.txt b/Documentation/networking/bpf_flow_dissector.txt
> new file mode 100644
> index 000000000000..513be8e20afb
> --- /dev/null
> +++ b/Documentation/networking/bpf_flow_dissector.txt
It looks like you use the RST format, but you use suffix .txt and not .rst.
If you don't know, these files get rendered on:
https://www.kernel.org/doc/html/latest/bpf/index.html
And GitHub also render this stuff e.g.
https://github.com/torvalds/linux/blob/master/Documentation/bpf/bpf_devel_QA.rst
> @@ -0,0 +1,115 @@
> +==================
> +BPF Flow Dissector
> +==================
> +
> +Overview
> +========
> +
> +Flow dissector is a routine that parses metadata out of the packets. It's
> +used in the various places in the networking subsystem (RFS, flow hash, etc).
> +
> +BPF flow dissector is an attempt to reimplement C-based flow dissector logic
> +in BPF to gain all the benefits of BPF verifier (namely, limits on the
> +number of instructions and tail calls).
> +
> +API
> +===
> +
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
LinkedIn: http://www.linkedin.com/in/brouer
next prev parent reply other threads:[~2019-04-03 18:34 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-01 20:57 [PATCH bpf 0/5] flow_dissector: lay groundwork for calling BPF hook from eth_get_headlen Stanislav Fomichev
2019-04-01 20:57 ` [PATCH bpf 1/5] selftests/bpf: fix vlan handling in flow dissector program Stanislav Fomichev
2019-04-01 20:57 ` [PATCH bpf 2/5] net/flow_dissector: pass flow_keys->n_proto to BPF programs Stanislav Fomichev
2019-04-01 20:57 ` [PATCH bpf 3/5] flow_dissector: fix clamping of BPF flow_keys for non-zero nhoff Stanislav Fomichev
2019-04-01 20:57 ` [PATCH bpf 4/5] flow_dissector: allow access only to a subset of __sk_buff fields Stanislav Fomichev
2019-04-01 20:57 ` [PATCH bpf 5/5] flow_dissector: document BPF flow dissector environment Stanislav Fomichev
2019-04-02 20:54 ` Petar Penkov
2019-04-02 21:00 ` Stanislav Fomichev
2019-04-03 18:34 ` Jesper Dangaard Brouer [this message]
2019-04-03 18:50 ` Stanislav Fomichev
2019-04-02 20:17 ` [PATCH bpf 0/5] flow_dissector: lay groundwork for calling BPF hook from eth_get_headlen Willem de Bruijn
2019-04-02 20:52 ` Petar Penkov
2019-04-03 14:54 ` Daniel Borkmann
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