pull-request: bpf-next 2019-02-07

[Daniel Borkmann <daniel@iogearbox.net>]

Hi David,

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

The main changes are:

1) Add a riscv64 JIT for BPF, from Björn.

2) Implement BTF deduplication algorithm for libbpf which takes BTF type
   information containing duplicate per-compilation unit information and
   reduces it to an equivalent set of BTF types with no duplication and
   without loss of information, from Andrii.

3) Offloaded and native BPF XDP programs can coexist today, enable also
   offloaded and generic ones as well, from Jakub.

4) Expose various BTF related helper functions in libbpf as API which
   are in particular helpful for JITed programs, from Yonghong.

5) Fix the recently added JMP32 code emission in s390x JIT, from Heiko.

6) Fix BPF kselftests' tcp_{server,client}.py to be able to run inside
   a network namespace, also add a fix for libbpf to get libbpf_print()
   working, from Stanislav.

7) Fixes for bpftool documentation, from Prashant.

8) Type cleanup in BPF kselftests' test_maps.c to silence a gcc8 warning,
   from Breno.

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 cc7335786f7278d66bdcf96d3d411edfcb01be51:

  socket: fix for Add SO_TIMESTAMP[NS]_NEW (2019-02-03 20:36:11 -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 dd9cef43c222df7c0d76d34451808e789952379d:

  bpf: test_maps: fix possible out of bound access warning (2019-02-06 15:48:43 +0100)

----------------------------------------------------------------
Alexei Starovoitov (2):
      Merge branch 'change-libbpf-print-api'
      Merge branch 'libbpf-btf_ext'

Andrii Nakryiko (3):
      btf: extract BTF type size calculation
      btf: add BTF types deduplication algorithm
      selftests/btf: add initial BTF dedup tests

Björn Töpel (4):
      bpf, riscv: add BPF JIT for RV64G
      MAINTAINERS: add RISC-V BPF JIT maintainer
      bpf, doc: add RISC-V JIT to BPF documentation
      selftests/bpf: add "any alignment" annotation for some tests

Breno Leitao (1):
      bpf: test_maps: fix possible out of bound access warning

Daniel Borkmann (3):
      Merge branch 'bpf-btf-dedup'
      Merge branch 'bpf-riscv-jit'
      Merge branch 'bpf-xdp-hw-plus-generic'

Heiko Carstens (1):
      s390: bpf: fix JMP32 code-gen

Jakub Kicinski (5):
      selftests/bpf: fix the expected messages
      net: xdp: allow generic and driver XDP on one interface
      selftests/bpf: print traceback when test fails
      selftests/bpf: add test for mixing generic and offload XDP
      selftests/bpf: test reading the offloaded program

Prashant Bhole (1):
      tools: bpftool: doc, fix incorrect text

Stanislav Fomichev (2):
      selftests/bpf: use localhost in tcp_{server,client}.py
      libbpf: fix libbpf_print

Yonghong Song (8):
      tools/bpf: move libbpf pr_* debug print functions to headers
      tools/bpf: print out btf log at LIBBPF_WARN level
      tools/bpf: simplify libbpf API function libbpf_set_print()
      tools/bpf: expose functions btf_ext__* as API functions
      tools/bpf: implement libbpf btf__get_map_kv_tids() API function
      tools/bpf: fix a selftest test_btf failure
      tools/bpf: add const qualifier to btf__get_map_kv_tids() map_name parameter
      tools/bpf: silence a libbpf unnecessary warning

 Documentation/networking/filter.txt                |   16 +-
 Documentation/sysctl/net.txt                       |    1 +
 MAINTAINERS                                        |    6 +
 arch/riscv/Kconfig                                 |    1 +
 arch/riscv/Makefile                                |    2 +-
 arch/riscv/net/Makefile                            |    1 +
 arch/riscv/net/bpf_jit_comp.c                      | 1602 +++++++++++++++
 arch/s390/net/bpf_jit_comp.c                       |    6 +-
 net/core/dev.c                                     |   10 +-
 tools/bpf/bpftool/Documentation/bpftool-cgroup.rst |    4 +-
 .../bpf/bpftool/Documentation/bpftool-feature.rst  |    4 +-
 tools/bpf/bpftool/Documentation/bpftool-prog.rst   |    2 +-
 tools/lib/bpf/btf.c                                | 2032 ++++++++++++++++++--
 tools/lib/bpf/btf.h                                |   43 +-
 tools/lib/bpf/libbpf.c                             |  125 +-
 tools/lib/bpf/libbpf.h                             |   19 +-
 tools/lib/bpf/libbpf.map                           |   10 +
 tools/lib/bpf/libbpf_util.h                        |   30 +
 tools/lib/bpf/test_libbpf.cpp                      |    4 +-
 tools/perf/util/bpf-loader.c                       |   26 +-
 tools/testing/selftests/bpf/tcp_client.py          |    3 +-
 tools/testing/selftests/bpf/tcp_server.py          |    5 +-
 tools/testing/selftests/bpf/test_btf.c             |  553 +++++-
 tools/testing/selftests/bpf/test_libbpf_open.c     |   30 +-
 tools/testing/selftests/bpf/test_maps.c            |   27 +-
 tools/testing/selftests/bpf/test_offload.py        |  135 +-
 tools/testing/selftests/bpf/test_progs.c           |   14 +-
 tools/testing/selftests/bpf/verifier/ctx_sk_msg.c  |    1 +
 tools/testing/selftests/bpf/verifier/ctx_skb.c     |    1 +
 tools/testing/selftests/bpf/verifier/jmp32.c       |   22 +
 tools/testing/selftests/bpf/verifier/jset.c        |    2 +
 tools/testing/selftests/bpf/verifier/spill_fill.c  |    1 +
 tools/testing/selftests/bpf/verifier/spin_lock.c   |    2 +
 .../selftests/bpf/verifier/value_ptr_arith.c       |    4 +
 34 files changed, 4353 insertions(+), 391 deletions(-)
 create mode 100644 arch/riscv/net/Makefile
 create mode 100644 arch/riscv/net/bpf_jit_comp.c
 create mode 100644 tools/lib/bpf/libbpf_util.h