pull-request: bpf-next 2019-02-01

[Alexei Starovoitov <ast@kernel.org>]

Hi David,

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

The main changes are:

1) introduce bpf_spin_lock, from Alexei.

2) convert xdp samples to libbpf, from Maciej.

3) skip verifier tests for unsupported program/map types, from Stanislav.

4) powerpc64 JIT support for BTF line info, from Sandipan.

5) assorted fixed, from Valdis, Jesper, Jiong.

Please consider pulling these changes from:

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

Thanks a lot!

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

The following changes since commit 630afc7734bac1229ef601b65769a898189e1b3d:

  Merge branch 'hns3-next' (2019-01-30 14:50:04 -0800)

are available in the Git repository at:

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

for you to fetch changes up to 5974b7c1e40da80a5986f0464ae47687ce4a8021:

  Merge branch 'shifts-cleanup' (2019-02-01 18:03:50 -0800)

----------------------------------------------------------------
Alexei Starovoitov (10):
      bpf: introduce bpf_spin_lock
      bpf: add support for bpf_spin_lock to cgroup local storage
      tools/bpf: sync include/uapi/linux/bpf.h
      selftests/bpf: add bpf_spin_lock verifier tests
      selftests/bpf: add bpf_spin_lock C test
      bpf: introduce BPF_F_LOCK flag
      tools/bpf: sync uapi/bpf.h
      libbpf: introduce bpf_map_lookup_elem_flags()
      selftests/bpf: test for BPF_F_LOCK
      Merge branch 'shifts-cleanup'

Daniel Borkmann (3):
      Merge branch 'bpf-tests-probe-kernel-support'
      Merge branch 'bpf-spinlocks'
      Merge branch 'bpf-xdp-sample-libbpf'

Jesper Dangaard Brouer (1):
      samples/bpf: xdp_redirect_cpu have not need for read_trace_pipe

Jiong Wang (2):
      nfp: bpf: correct the behavior for shifts by zero
      nfp: bpf: complete ALU32 logic shift supports

Maciej Fijalkowski (7):
      libbpf: Add a helper for retrieving a map fd for a given name
      samples/bpf: Convert XDP samples to libbpf usage
      samples/bpf: Extend RLIMIT_MEMLOCK for xdp_{sample_pkts, router_ipv4}
      xdp: Provide extack messages when prog attachment failed
      samples/bpf: Add a "force" flag to XDP samples
      libbpf: Add a support for getting xdp prog id on ifindex
      samples/bpf: Check the prog id before exiting

Sandipan Das (1):
      bpf: powerpc64: add JIT support for bpf line info

Stanislav Fomichev (6):
      selftests/bpf: skip sockmap in test_maps if kernel doesn't have support
      selftests/bpf: skip verifier tests for unsupported program types
      selftests/bpf: skip verifier tests for unsupported map types
      selftests/bpf: mark verifier test that uses bpf_trace_printk as BPF_PROG_TYPE_TRACEPOINT
      bpf: BPF_PROG_TYPE_CGROUP_{SKB, SOCK, SOCK_ADDR} require cgroups enabled
      selftests/bpf: remove generated verifier/tests.h on 'make clean'

Valdis Kletnieks (3):
      bpf: fix bitrotted kerneldoc
      bpf: fix missing prototype warnings
      bpf, cgroups: clean up kerneldoc warnings

 arch/powerpc/net/bpf_jit_comp64.c                |   1 +
 drivers/net/ethernet/netronome/nfp/bpf/jit.c     |  92 ++++++-
 include/linux/bpf-cgroup.h                       |   2 +-
 include/linux/bpf.h                              |  39 ++-
 include/linux/bpf_types.h                        |   2 +
 include/linux/bpf_verifier.h                     |   1 +
 include/linux/btf.h                              |   1 +
 include/linux/filter.h                           |   4 +-
 include/uapi/linux/bpf.h                         |   8 +-
 kernel/Kconfig.locks                             |   3 +
 kernel/bpf/arraymap.c                            |  23 +-
 kernel/bpf/btf.c                                 |  42 +++
 kernel/bpf/cgroup.c                              |   3 +-
 kernel/bpf/core.c                                |   5 +-
 kernel/bpf/hashtab.c                             |  63 ++++-
 kernel/bpf/helpers.c                             |  96 +++++++
 kernel/bpf/local_storage.c                       |  16 +-
 kernel/bpf/map_in_map.c                          |   5 +
 kernel/bpf/syscall.c                             |  45 ++-
 kernel/bpf/verifier.c                            | 171 +++++++++++-
 kernel/cgroup/cgroup.c                           |   2 +-
 net/core/dev.c                                   |  12 +-
 net/core/filter.c                                |  16 +-
 samples/bpf/Makefile                             |   8 +-
 samples/bpf/xdp1_user.c                          |  34 ++-
 samples/bpf/xdp_adjust_tail_user.c               |  38 ++-
 samples/bpf/xdp_redirect_cpu_user.c              | 196 ++++++++++----
 samples/bpf/xdp_redirect_map_user.c              | 106 ++++++--
 samples/bpf/xdp_redirect_user.c                  | 103 +++++--
 samples/bpf/xdp_router_ipv4_user.c               | 179 ++++++++----
 samples/bpf/xdp_rxq_info_user.c                  |  41 ++-
 samples/bpf/xdp_sample_pkts_user.c               |  81 +++++-
 samples/bpf/xdp_tx_iptunnel_user.c               |  71 +++--
 samples/bpf/xdpsock_user.c                       |  30 +-
 tools/include/uapi/linux/bpf.h                   |   8 +-
 tools/lib/bpf/bpf.c                              |  13 +
 tools/lib/bpf/bpf.h                              |   2 +
 tools/lib/bpf/libbpf.c                           |   6 +
 tools/lib/bpf/libbpf.h                           |   4 +
 tools/lib/bpf/libbpf.map                         |   3 +
 tools/lib/bpf/netlink.c                          |  85 ++++++
 tools/testing/selftests/bpf/Makefile             |  10 +-
 tools/testing/selftests/bpf/bpf_helpers.h        |   4 +
 tools/testing/selftests/bpf/test_map_lock.c      |  66 +++++
 tools/testing/selftests/bpf/test_maps.c          |  13 +-
 tools/testing/selftests/bpf/test_progs.c         | 117 +++++++-
 tools/testing/selftests/bpf/test_spin_lock.c     | 108 ++++++++
 tools/testing/selftests/bpf/test_verifier.c      | 149 +++++++++-
 tools/testing/selftests/bpf/verifier/spin_lock.c | 331 +++++++++++++++++++++++
 tools/testing/selftests/bpf/verifier/unpriv.c    |   1 +
 50 files changed, 2197 insertions(+), 262 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/test_map_lock.c
 create mode 100644 tools/testing/selftests/bpf/test_spin_lock.c
 create mode 100644 tools/testing/selftests/bpf/verifier/spin_lock.c