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Date:   Tue, 21 Jul 2020 20:29:32 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     davem@...emloft.net
Cc:     daniel@...earbox.net, netdev@...r.kernel.org, bpf@...r.kernel.org,
        kernel-team@...com
Subject: pull-request: bpf-next 2020-07-21

Hi David,

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

We've added 46 non-merge commits during the last 6 day(s) which contain
a total of 68 files changed, 4929 insertions(+), 526 deletions(-).

The main changes are:

1) Run BPF program on socket lookup, from Jakub.

2) Introduce cpumap, from Lorenzo.

3) s390 JIT fixes, from Ilya.

4) teach riscv JIT to emit compressed insns, from Luke.

5) use build time computed BTF ids in bpf iter, from Yonghong.

Please consider pulling these changes from:

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

Thanks a lot!

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

Andrii Nakryiko, Ilya Leoshkevich, Jakub Sitnicki, Jesper Dangaard 
Brouer, Jiri Olsa, Quentin Monnet, Randy Dunlap, Seth Forshee, Stephen 
Rothwell

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

The following changes since commit 9b74ebb2b0f259474da65fa0178c657e5fa5c640:

  cpumap: Use non-locked version __ptr_ring_consume_batched (2020-07-16 17:00:31 +0200)

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 9165e1d70fb34ce438e78aad90408cfa86e4c2d0:

  bpftool: Use only nftw for file tree parsing (2020-07-21 23:42:56 +0200)

----------------------------------------------------------------
Alexei Starovoitov (3):
      Merge branch 'bpf-socket-lookup'
      Merge branch 'compressed-JITed-insn'
      Merge branch 'bpf_iter-BTF_ID-at-build-time'

David Ahern (1):
      net: Refactor xdp_convert_buff_to_frame

Ian Rogers (1):
      libbpf bpf_helpers: Use __builtin_offsetof for offsetof

Ilya Leoshkevich (7):
      selftests: bpf: test_kmod.sh: Fix running out of srctree
      s390/bpf: Fix sign extension in branch_ku
      s390/bpf: Use brcl for jumping to exit_ip if necessary
      s390/bpf: Tolerate not converging code shrinking
      s390/bpf: Use bpf_skip() in bpf_jit_prologue()
      selftests/bpf: Fix test_lwt_seg6local.sh hangs
      samples/bpf, selftests/bpf: Use bpf_probe_read_kernel

Jakub Sitnicki (16):
      bpf, netns: Handle multiple link attachments
      bpf: Introduce SK_LOOKUP program type with a dedicated attach point
      inet: Extract helper for selecting socket from reuseport group
      inet: Run SK_LOOKUP BPF program on socket lookup
      inet6: Extract helper for selecting socket from reuseport group
      inet6: Run SK_LOOKUP BPF program on socket lookup
      udp: Extract helper for selecting socket from reuseport group
      udp: Run SK_LOOKUP BPF program on socket lookup
      udp6: Extract helper for selecting socket from reuseport group
      udp6: Run SK_LOOKUP BPF program on socket lookup
      bpf: Sync linux/bpf.h to tools/
      libbpf: Add support for SK_LOOKUP program type
      tools/bpftool: Add name mappings for SK_LOOKUP prog and attach type
      selftests/bpf: Add verifier tests for bpf_sk_lookup context access
      selftests/bpf: Tests for BPF_SK_LOOKUP attach point
      bpf, netns: Fix build without CONFIG_INET

Lorenzo Bianconi (8):
      samples/bpf: xdp_redirect_cpu_user: Do not update bpf maps in option loop
      cpumap: Formalize map value as a named struct
      bpf: cpumap: Add the possibility to attach an eBPF program to cpumap
      bpf: cpumap: Implement XDP_REDIRECT for eBPF programs attached to map entries
      libbpf: Add SEC name for xdp programs attached to CPUMAP
      samples/bpf: xdp_redirect_cpu: Load a eBPF program on cpumap
      selftest: Add tests for XDP programs in CPUMAP entries
      bpf: cpumap: Fix possible rcpu kthread hung

Luke Nelson (3):
      bpf, riscv: Modify JIT ctx to support compressed instructions
      bpf, riscv: Add encodings for compressed instructions
      bpf, riscv: Use compressed instructions in the rv64 JIT

Randy Dunlap (1):
      bpf: Drop duplicated words in uapi helper comments

Seth Forshee (1):
      bpf: revert "test_bpf: Flag tests that cannot be jited on s390"

Stanislav Fomichev (1):
      selftests/bpf: Fix possible hang in sockopt_inherit

Tony Ambardar (1):
      bpftool: Use only nftw for file tree parsing

Yonghong Song (5):
      bpf: Compute bpf_skc_to_*() helper socket btf ids at build time
      tools/bpf: Sync btf_ids.h to tools
      bpf: Add BTF_ID_LIST_GLOBAL in btf_ids.h
      bpf: Make btf_sock_ids global
      bpf: net: Use precomputed btf_id for bpf iterators

YueHaibing (1):
      tools/bpftool: Fix error handing in do_skeleton()

 arch/riscv/net/bpf_jit.h                           |  483 +++++++-
 arch/riscv/net/bpf_jit_comp32.c                    |   14 +-
 arch/riscv/net/bpf_jit_comp64.c                    |  293 ++---
 arch/riscv/net/bpf_jit_core.c                      |    6 +-
 arch/s390/net/bpf_jit_comp.c                       |   63 +-
 include/linux/bpf-netns.h                          |    3 +
 include/linux/bpf.h                                |   15 +-
 include/linux/bpf_types.h                          |    2 +
 include/linux/btf_ids.h                            |   40 +-
 include/linux/filter.h                             |  147 +++
 include/net/xdp.h                                  |   41 +-
 include/trace/events/xdp.h                         |   16 +-
 include/uapi/linux/bpf.h                           |   97 +-
 kernel/bpf/btf.c                                   |    6 +-
 kernel/bpf/core.c                                  |   55 +
 kernel/bpf/cpumap.c                                |  167 ++-
 kernel/bpf/map_iter.c                              |    7 +-
 kernel/bpf/net_namespace.c                         |  131 +-
 kernel/bpf/syscall.c                               |    9 +
 kernel/bpf/task_iter.c                             |   12 +-
 kernel/bpf/verifier.c                              |   13 +-
 lib/test_bpf.c                                     |   20 -
 net/core/dev.c                                     |    9 +
 net/core/filter.c                                  |  228 +++-
 net/ipv4/inet_hashtables.c                         |   60 +-
 net/ipv4/tcp_ipv4.c                                |    4 +-
 net/ipv4/udp.c                                     |   97 +-
 net/ipv6/inet6_hashtables.c                        |   66 +-
 net/ipv6/route.c                                   |    7 +-
 net/ipv6/udp.c                                     |   97 +-
 net/netlink/af_netlink.c                           |    7 +-
 samples/bpf/offwaketime_kern.c                     |    7 +-
 samples/bpf/test_overhead_kprobe_kern.c            |   12 +-
 samples/bpf/tracex1_kern.c                         |    9 +-
 samples/bpf/tracex5_kern.c                         |    4 +-
 samples/bpf/xdp_redirect_cpu_kern.c                |   25 +-
 samples/bpf/xdp_redirect_cpu_user.c                |  209 +++-
 scripts/bpf_helpers_doc.py                         |    9 +-
 tools/bpf/bpftool/Documentation/bpftool-prog.rst   |    2 +-
 tools/bpf/bpftool/bash-completion/bpftool          |    2 +-
 tools/bpf/bpftool/common.c                         |  138 ++-
 tools/bpf/bpftool/gen.c                            |    5 +-
 tools/bpf/bpftool/main.h                           |    4 +-
 tools/bpf/bpftool/prog.c                           |    3 +-
 tools/bpf/bpftool/skeleton/pid_iter.bpf.c          |    3 +-
 tools/include/linux/btf_ids.h                      |   51 +-
 tools/include/uapi/linux/bpf.h                     |   97 +-
 tools/lib/bpf/bpf_helpers.h                        |    2 +-
 tools/lib/bpf/libbpf.c                             |    5 +
 tools/lib/bpf/libbpf.h                             |    2 +
 tools/lib/bpf/libbpf.map                           |    2 +
 tools/lib/bpf/libbpf_probes.c                      |    3 +
 tools/testing/selftests/bpf/network_helpers.c      |   58 +-
 tools/testing/selftests/bpf/network_helpers.h      |    2 +
 .../selftests/bpf/prog_tests/resolve_btfids.c      |   34 +-
 tools/testing/selftests/bpf/prog_tests/sk_lookup.c | 1282 ++++++++++++++++++++
 .../selftests/bpf/prog_tests/sockopt_inherit.c     |    3 +-
 .../selftests/bpf/prog_tests/xdp_cpumap_attach.c   |   70 ++
 .../testing/selftests/bpf/progs/bpf_iter_netlink.c |    6 +-
 tools/testing/selftests/bpf/progs/bpf_iter_tcp4.c  |    2 +-
 tools/testing/selftests/bpf/progs/bpf_iter_tcp6.c  |    2 +-
 tools/testing/selftests/bpf/progs/bpf_iter_udp4.c  |    2 +-
 tools/testing/selftests/bpf/progs/bpf_iter_udp6.c  |    2 +-
 tools/testing/selftests/bpf/progs/test_sk_lookup.c |  641 ++++++++++
 .../bpf/progs/test_xdp_with_cpumap_helpers.c       |   36 +
 tools/testing/selftests/bpf/test_kmod.sh           |   12 +-
 tools/testing/selftests/bpf/test_lwt_seg6local.sh  |    2 +-
 .../testing/selftests/bpf/verifier/ctx_sk_lookup.c |  492 ++++++++
 68 files changed, 4929 insertions(+), 526 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/prog_tests/sk_lookup.c
 create mode 100644 tools/testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c
 create mode 100644 tools/testing/selftests/bpf/progs/test_sk_lookup.c
 create mode 100644 tools/testing/selftests/bpf/progs/test_xdp_with_cpumap_helpers.c
 create mode 100644 tools/testing/selftests/bpf/verifier/ctx_sk_lookup.c

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