pull-request: bpf 2018-02-02

[Alexei Starovoitov <ast@kernel.org>]

Hi David,

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

The main changes are:

1) support XDP attach in libbpf, from Eric.

2) minor fixes, from Daniel, Jakub, Yonghong, Alexei.

Please consider pulling these changes from:

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

Should be no merge conflicts.

Thanks a lot!

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

The following changes since commit b2fe5fa68642860e7de76167c3111623aa0d5de1:

  Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next (2018-01-31 14:31:10 -0800)

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 09c0656dfabd0b15e410eca67dc45cb14ec9c13a:

  Merge branch 'libbpf-xdp-support' (2018-02-02 17:53:49 -0800)

----------------------------------------------------------------
Alexei Starovoitov (2):
      bpf: fix bpf_prog_array_copy_to_user() issues
      Merge branch 'libbpf-xdp-support'

Daniel Borkmann (1):
      bpf: fix null pointer deref in bpf_prog_test_run_xdp

Eric Leblond (5):
      tools: add netlink.h and if_link.h in tools uapi
      libbpf: add function to setup XDP
      libbpf: add error reporting in XDP
      libbpf: add missing SPDX-License-Identifier
      samples/bpf: use bpf_set_link_xdp_fd

Jakub Kicinski (1):
      netdevsim: fix overflow on the error path

Yonghong Song (2):
      tools/bpf: permit selftests/bpf to be built in a different directory
      bpf: add documentation to compare clang "-target bpf" and default target

 Documentation/bpf/bpf_devel_QA.txt          |  31 +
 drivers/net/netdevsim/bpf.c                 |   5 +-
 include/linux/netdevice.h                   |   6 +
 kernel/bpf/core.c                           |  32 +-
 net/bpf/test_run.c                          |   4 +
 samples/bpf/Makefile                        |   2 +-
 samples/bpf/bpf_load.c                      | 102 ---
 samples/bpf/bpf_load.h                      |   2 +-
 samples/bpf/xdp1_user.c                     |   4 +-
 samples/bpf/xdp_redirect_cpu_user.c         |   6 +-
 samples/bpf/xdp_redirect_map_user.c         |   8 +-
 samples/bpf/xdp_redirect_user.c             |   8 +-
 samples/bpf/xdp_router_ipv4_user.c          |  10 +-
 samples/bpf/xdp_rxq_info_user.c             |   4 +-
 samples/bpf/xdp_tx_iptunnel_user.c          |   6 +-
 tools/include/uapi/linux/if_link.h          | 943 ++++++++++++++++++++++++++++
 tools/include/uapi/linux/netlink.h          | 251 ++++++++
 tools/lib/bpf/Build                         |   2 +-
 tools/lib/bpf/Makefile                      |   6 +
 tools/lib/bpf/bpf.c                         | 135 ++++
 tools/lib/bpf/bpf.h                         |   2 +
 tools/lib/bpf/libbpf.c                      |   4 +
 tools/lib/bpf/libbpf.h                      |   6 +
 tools/lib/bpf/nlattr.c                      | 187 ++++++
 tools/lib/bpf/nlattr.h                      |  72 +++
 tools/testing/selftests/bpf/.gitignore      |   1 +
 tools/testing/selftests/bpf/Makefile        |   4 +-
 tools/testing/selftests/bpf/test_verifier.c |  14 +
 28 files changed, 1716 insertions(+), 141 deletions(-)
 create mode 100644 tools/include/uapi/linux/if_link.h
 create mode 100644 tools/include/uapi/linux/netlink.h
 create mode 100644 tools/lib/bpf/nlattr.c
 create mode 100644 tools/lib/bpf/nlattr.h