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From: Lorenz Bauer <lmb@cloudflare.com>
To: Petar Penkov <ppenkov.kernel@gmail.com>
Cc: Networking <netdev@vger.kernel.org>, bpf <bpf@vger.kernel.org>,
	davem@davemloft.net, Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Eric Dumazet <edumazet@google.com>,
	Stanislav Fomichev <sdf@google.com>,
	Petar Penkov <ppenkov@google.com>
Subject: Re: [bpf-next 0/6] Introduce a BPF helper to generate SYN cookies
Date: Tue, 23 Jul 2019 11:27:51 +0100	[thread overview]
Message-ID: <CACAyw9_6jp6PauEcCSVvc+JJA1VvZgNsYZtuvu5=vf4b0rxkvw@mail.gmail.com> (raw)
In-Reply-To: <20190723002042.105927-1-ppenkov.kernel@gmail.com>

On Tue, 23 Jul 2019 at 01:20, Petar Penkov <ppenkov.kernel@gmail.com> wrote:
>
> From: Petar Penkov <ppenkov@google.com>
>
> This patch series introduces a BPF helper function that allows generating SYN
> cookies from BPF. Currently, this helper is enabled at both the TC hook and the
> XDP hook.
>
> The first two patches in the series add/modify several TCP helper functions to
> allow for SKB-less operation, as is the case at the XDP hook.
>
> The third patch introduces the bpf_tcp_gen_syncookie helper function which
> generates a SYN cookie for either XDP or TC programs. The return value of
> this function contains both the MSS value, encoded in the cookie, and the
> cookie itself.
>
> The last three patches sync tools/ and add a test.

Reviewed-by: Lorenz Bauer <lmb@cloudflare.com>

-- 
Lorenz Bauer  |  Systems Engineer
6th Floor, County Hall/The Riverside Building, SE1 7PB, UK

www.cloudflare.com

      parent reply	other threads:[~2019-07-23 10:28 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-23  0:20 [bpf-next 0/6] Introduce a BPF helper to generate SYN cookies Petar Penkov
2019-07-23  0:20 ` [bpf-next 1/6] tcp: tcp_syn_flood_action read port from socket Petar Penkov
2019-07-23  0:20 ` [bpf-next 2/6] tcp: add skb-less helpers to retrieve SYN cookie Petar Penkov
2019-07-24  6:05   ` kbuild test robot
2019-07-24  6:19   ` kbuild test robot
2019-07-23  0:20 ` [bpf-next 3/6] bpf: add bpf_tcp_gen_syncookie helper Petar Penkov
2019-07-23 12:33   ` Toke Høiland-Jørgensen
2019-07-24  0:15     ` Petar Penkov
2019-07-23  0:20 ` [bpf-next 4/6] bpf: sync bpf.h to tools/ Petar Penkov
2019-07-23  0:20 ` [bpf-next 5/6] selftests/bpf: bpf_tcp_gen_syncookie->bpf_helpers Petar Penkov
2019-07-23  0:20 ` [bpf-next 6/6] selftests/bpf: add test for bpf_tcp_gen_syncookie Petar Penkov
2019-07-23  9:37   ` Lorenz Bauer
2019-07-23 20:46     ` Alexei Starovoitov
2019-07-23  6:30 ` [bpf-next 0/6] Introduce a BPF helper to generate SYN cookies Eric Dumazet
2019-07-23 10:27 ` Lorenz Bauer [this message]

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