netdev - pull-request: bpf 2020-12-10

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Date:   Thu, 10 Dec 2020 14:25:01 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     davem@...emloft.net
Cc:     daniel@...earbox.net, kuba@...nel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, kernel-team@...com
Subject: pull-request: bpf 2020-12-10

Hi David, hi Jakub,

The following pull-request contains BPF updates for your *net* tree.

We've added 21 non-merge commits during the last 12 day(s) which contain
a total of 21 files changed, 163 insertions(+), 88 deletions(-).

The main changes are:

1) Fix propagation of 32-bit signed bounds from 64-bit bounds, from Alexei.

2) Fix ring_buffer__poll() return value, from Andrii.

3) Fix race in lwt_bpf, from Cong.

4) Fix test_offload, from Toke.

5) Various xsk fixes.

Please consider pulling these changes from:

  git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git

Thanks a lot!

Also thanks to reporters, reviewers and testers of commits in this pull-request:

Cong Wang, Hulk Robot, Jakub Kicinski, Jean-Philippe Brucker, John 
Fastabend, Magnus Karlsson, Maxim Mikityanskiy, Yonghong Song

----------------------------------------------------------------

The following changes since commit 4d521943f76bd0d1e68ea5e02df7aadd30b2838a:

  dt-bindings: net: correct interrupt flags in examples (2020-11-28 14:47:56 -0800)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git 

for you to fetch changes up to 3615bdf6d9b19db12b1589861609b4f1c6a8d303:

  selftests/bpf: Fix "dubious pointer arithmetic" test (2020-12-10 13:11:30 -0800)

----------------------------------------------------------------
Alexei Starovoitov (1):
      bpf: Fix propagation of 32-bit signed bounds from 64-bit bounds.

Andrii Nakryiko (3):
      libbpf: Fix ring_buffer__poll() to return number of consumed samples
      selftests/bpf: Drain ringbuf samples at the end of test
      tools/bpftool: Fix PID fetching with a lot of results

Björn Töpel (1):
      xdp: Handle MEM_TYPE_XSK_BUFF_POOL correctly in xdp_return_buff()

Cong Wang (1):
      lwt_bpf: Replace preempt_disable() with migrate_disable()

Daniel Borkmann (1):
      Merge branch 'bpf-xdp-offload-fixes'

Dongdong Wang (1):
      lwt: Disable BH too in run_lwt_bpf()

Jean-Philippe Brucker (3):
      selftests/bpf: Add test for signed 32-bit bound check bug
      selftests/bpf: Fix array access with signed variable test
      selftests/bpf: Fix "dubious pointer arithmetic" test

KP Singh (1):
      bpf, doc: Update KP's email in MAINTAINERS

Toke Høiland-Jørgensen (7):
      xdp: Remove the xdp_attachment_flags_ok() callback
      selftests/bpf/test_offload.py: Remove check for program load flags match
      netdevsim: Add debugfs toggle to reject BPF programs in verifier
      selftests/bpf/test_offload.py: Only check verifier log on verification fails
      selftests/bpf/test_offload.py: Fix expected case of extack messages
      selftests/bpf/test_offload.py: Reset ethtool features after failed setting
      selftests/bpf/test_offload.py: Filter bpftool internal map when counting maps

Xuan Zhuo (2):
      xsk: Replace datagram_poll by sock_poll_wait
      xsk: Change the tx writeable condition

Zhang Changzhong (1):
      xsk: Return error code if force_zc is set

 MAINTAINERS                                        |  4 +-
 .../net/ethernet/netronome/nfp/nfp_net_common.c    |  6 ---
 drivers/net/ethernet/ti/cpsw_priv.c                |  3 --
 drivers/net/netdevsim/bpf.c                        | 15 ++++--
 drivers/net/netdevsim/netdevsim.h                  |  1 +
 include/net/xdp.h                                  |  2 -
 kernel/bpf/verifier.c                              | 10 ++--
 net/core/dev.c                                     | 22 ++++++++-
 net/core/lwt_bpf.c                                 | 12 ++---
 net/core/xdp.c                                     | 29 ++++--------
 net/xdp/xsk.c                                      | 20 ++++++--
 net/xdp/xsk_buff_pool.c                            |  1 +
 net/xdp/xsk_queue.h                                |  6 +++
 tools/bpf/bpftool/pids.c                           |  4 +-
 tools/lib/bpf/ringbuf.c                            |  2 +-
 tools/testing/selftests/bpf/prog_tests/align.c     |  8 ++--
 tools/testing/selftests/bpf/prog_tests/ringbuf.c   |  8 +++-
 .../selftests/bpf/prog_tests/ringbuf_multi.c       |  2 +-
 tools/testing/selftests/bpf/test_offload.py        | 53 ++++++++++++----------
 .../testing/selftests/bpf/verifier/array_access.c  |  2 +-
 tools/testing/selftests/bpf/verifier/bounds.c      | 41 +++++++++++++++++
 21 files changed, 163 insertions(+), 88 deletions(-)