netdev - [PATCH v2 bpf-next 00/11]

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Message-ID: <20171222012101.3899534-1-brakmo@fb.com>
Date:   Thu, 21 Dec 2017 17:20:50 -0800
From:   Lawrence Brakmo <brakmo@...com>
To:     netdev <netdev@...r.kernel.org>
CC:     Kernel Team <kernel-team@...com>, Blake Matheny <bmatheny@...com>,
        Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Eric Dumazet <eric.dumazet@...il.com>,
        Neal Cardwell <ncardwell@...gle.com>,
        Yuchung Cheng <ycheng@...gle.com>
Subject: [PATCH v2 bpf-next 00/11]

This patchset adds support for:

- direct R or R/W access to many tcp_sock fields
- passing up to 4 arguments to sock_ops BPF functions
- tcp_sock field bpf_sock_ops_flags for controlling callbacks
- optionally calling sock_ops BPF program when RTO fires
- optionally calling sock_ops BPF program when packet is retransmitted
- optionally calling sock_ops BPF program when TCP state changes
- access to tclass and sk_txhash
- new selftest

v2: Fixed commit message 0/11. The commit is to "bpf-next" but the patch
    below used "bpf" and Patchwork didn't work correctly.

Signed-off-by: Lawrence Brakmo <brakmo@...com>

Consists of the following patches:
[PATCH v2 bpf-next 01/11] bpf: Make SOCK_OPS_GET_TCP size independent
[PATCH v2 bpf-next 02/11] bpf: Make SOCK_OPS_GET_TCP struct
[PATCH v2 bpf-next 03/11] bpf: Add write access to tcp_sock and sock
[PATCH v2 bpf-next 04/11] bpf: Support passing args to sock_ops bpf
[PATCH v2 bpf-next 05/11] bpf: Adds field bpf_sock_ops_flags to
[PATCH v2 bpf-next 06/11] bpf: Add sock_ops RTO callback
[PATCH v2 bpf-next 07/11] bpf: Add support for reading sk_state and
[PATCH v2 bpf-next 08/11] bpf: Add sock_ops R/W access to tclass &
[PATCH v2 bpf-next 09/11] bpf: Add BPF_SOCK_OPS_RETRANS_CB
[PATCH v2 bpf-next 10/11] bpf: Add BPF_SOCK_OPS_STATE_CB
[PATCH v2 bpf-next 11/11] bpf: add selftest for tcpbpf

 include/linux/filter.h                         |   4 +
 include/linux/tcp.h                            |   8 ++
 include/net/tcp.h                              |  66 +++++++++-
 include/uapi/linux/bpf.h                       |  39 +++++-
 include/uapi/linux/tcp.h                       |   5 +
 net/core/filter.c                              | 221 ++++++++++++++++++++++++++++++--
 net/ipv4/tcp.c                                 |   4 +-
 net/ipv4/tcp_nv.c                              |   2 +-
 net/ipv4/tcp_output.c                          |   5 +-
 net/ipv4/tcp_timer.c                           |   9 ++
 tools/include/uapi/linux/bpf.h                 |  45 ++++++-
 tools/testing/selftests/bpf/Makefile           |   4 +-
 tools/testing/selftests/bpf/tcp_client.py      |  52 ++++++++
 tools/testing/selftests/bpf/tcp_server.py      |  79 ++++++++++++
 tools/testing/selftests/bpf/test_tcpbpf_kern.c | 125 ++++++++++++++++++
 tools/testing/selftests/bpf/test_tcpbpf_user.c | 113 ++++++++++++++++
 16 files changed, 757 insertions(+), 24 deletions(-)