netdev - pull-request: bpf 2018-07-28

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Message-Id: <20180729022224.28825-1-daniel@iogearbox.net>
Date:   Sun, 29 Jul 2018 04:22:24 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     davem@...emloft.net
Cc:     daniel@...earbox.net, ast@...nel.org, netdev@...r.kernel.org
Subject: pull-request: bpf 2018-07-28

Hi David,

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

The main changes are:

1) API fixes for libbpf's BTF mapping of map key/value types in order
   to make them compatible with iproute2's BPF_ANNOTATE_KV_PAIR()
   markings, from Martin.

2) Fix AF_XDP to not report POLLIN prematurely by using the non-cached
   consumer pointer of the RX queue, from Björn.

3) Fix __xdp_return() to check for NULL pointer after the rhashtable
   lookup that retrieves the allocator object, from Taehee.

4) Fix x86-32 JIT to adjust ebp register in prologue and epilogue
   by 4 bytes which got removed from overall stack usage, from Wang.

5) Fix bpf_skb_load_bytes_relative() length check to use actual
   packet length, from Daniel.

6) Fix uninitialized return code in libbpf bpf_perf_event_read_simple()
   handler, from Thomas.

Please consider pulling these changes from:

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

Thanks a lot!

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

The following changes since commit 1a4f14bab1868b443f0dd3c55b689a478f82e72e:

  Merge branch 'tcp-robust-ooo' (2018-07-23 12:01:48 -0700)

are available in the git repository at:

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

for you to fetch changes up to 71eb5255f55bdb484d35ff7c9a1803f453dfbf82:

  bpf: use GFP_ATOMIC instead of GFP_KERNEL in bpf_parse_prog() (2018-07-28 21:23:24 +0200)

----------------------------------------------------------------
Björn Töpel (1):
      xsk: fix poll/POLLIN premature returns

Daniel Borkmann (2):
      Merge branch 'bpf-annotate-kv-pair'
      bpf: fix bpf_skb_load_bytes_relative pkt length check

Martin KaFai Lau (5):
      bpf: btf: Ensure the member->offset is in the right order
      bpf: btf: Sync uapi btf.h to tools
      bpf: Replace [u]int32_t and [u]int64_t in libbpf
      bpf: Introduce BPF_ANNOTATE_KV_PAIR
      bpf: btf: Use exact btf value_size match in map_check_btf()

Taehee Yoo (2):
      xdp: add NULL pointer check in __xdp_return()
      bpf: use GFP_ATOMIC instead of GFP_KERNEL in bpf_parse_prog()

Thomas Richter (1):
      perf build: Build error in libbpf missing initialization

Wang YanQing (1):
      bpf, x32: Fix regression caused by commit 24dea04767e6

 arch/x86/net/bpf_jit_comp32.c                |   8 +-
 kernel/bpf/arraymap.c                        |   2 +-
 kernel/bpf/btf.c                             |  14 +++-
 net/core/filter.c                            |  12 +--
 net/core/lwt_bpf.c                           |   2 +-
 net/core/xdp.c                               |   3 +-
 net/xdp/xsk_queue.h                          |   2 +-
 tools/include/uapi/linux/btf.h               |   2 +-
 tools/lib/bpf/btf.c                          |  39 +++++----
 tools/lib/bpf/btf.h                          |  10 ++-
 tools/lib/bpf/libbpf.c                       |  87 ++++++++++----------
 tools/lib/bpf/libbpf.h                       |   4 +-
 tools/testing/selftests/bpf/bpf_helpers.h    |   9 +++
 tools/testing/selftests/bpf/test_btf.c       | 114 ++++++++++++++++++++++++++-
 tools/testing/selftests/bpf/test_btf_haskv.c |   7 +-
 15 files changed, 225 insertions(+), 90 deletions(-)