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Date:   Mon, 27 Jan 2020 12:13:30 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Jakub Sitnicki <jakub@...udflare.com>, bpf@...r.kernel.org
Cc:     netdev@...r.kernel.org, kernel-team@...udflare.com,
        John Fastabend <john.fastabend@...il.com>,
        Lorenz Bauer <lmb@...udflare.com>, Martin Lau <kafai@...com>
Subject: Re: [PATCH bpf-next v4 00/12] Extend SOCKMAP to store listening
 sockets

On 1/23/20 4:55 PM, Jakub Sitnicki wrote:
[...]
> Jakub Sitnicki (12):
>    bpf, sk_msg: Don't clear saved sock proto on restore
>    net, sk_msg: Annotate lockless access to sk_prot on clone
>    net, sk_msg: Clear sk_user_data pointer on clone if tagged
>    tcp_bpf: Don't let child socket inherit parent protocol ops on copy
>    bpf, sockmap: Allow inserting listening TCP sockets into sockmap
>    bpf, sockmap: Don't set up sockmap progs for listening sockets
>    bpf, sockmap: Return socket cookie on lookup from syscall
>    bpf, sockmap: Let all kernel-land lookup values in SOCKMAP
>    bpf: Allow selecting reuseport socket from a SOCKMAP
>    net: Generate reuseport group ID on group creation
>    selftests/bpf: Extend SK_REUSEPORT tests to cover SOCKMAP
>    selftests/bpf: Tests for SOCKMAP holding listening sockets
> 
>   include/linux/skmsg.h                         |   15 +-
>   include/net/sock.h                            |   37 +-
>   include/net/sock_reuseport.h                  |    2 -
>   include/net/tcp.h                             |    7 +
>   kernel/bpf/reuseport_array.c                  |    5 -
>   kernel/bpf/verifier.c                         |    6 +-
>   net/core/filter.c                             |   27 +-
>   net/core/skmsg.c                              |    2 +-
>   net/core/sock.c                               |   11 +-
>   net/core/sock_map.c                           |  133 +-
>   net/core/sock_reuseport.c                     |   50 +-
>   net/ipv4/tcp_bpf.c                            |   17 +-
>   net/ipv4/tcp_minisocks.c                      |    2 +
>   net/ipv4/tcp_ulp.c                            |    3 +-
>   net/tls/tls_main.c                            |    3 +-
>   .../bpf/prog_tests/select_reuseport.c         |   60 +-
>   .../selftests/bpf/prog_tests/sockmap_listen.c | 1455 +++++++++++++++++
>   .../selftests/bpf/progs/test_sockmap_listen.c |   77 +
>   tools/testing/selftests/bpf/test_maps.c       |    6 +-
>   19 files changed, 1811 insertions(+), 107 deletions(-)
>   create mode 100644 tools/testing/selftests/bpf/prog_tests/sockmap_listen.c
>   create mode 100644 tools/testing/selftests/bpf/progs/test_sockmap_listen.c
> 

Unfortunately, the series needs one last rebase in order to be applied due
to conflicts from John's earlier sockmap/tls fixes from Jan/11th [0].

Thanks a lot,
Daniel

   [0] https://patchwork.ozlabs.org/cover/1221534/

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