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Message-Id: <20210519195159.41380-1-alexei.starovoitov@gmail.com>
Date: Wed, 19 May 2021 12:51:59 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: davem@...emloft.net
Cc: daniel@...earbox.net, kuba@...nel.org, andrii@...nel.org,
netdev@...r.kernel.org, bpf@...r.kernel.org, kernel-team@...com
Subject: pull-request: bpf-next 2021-05-19
Hi David, hi Jakub,
The following pull-request contains BPF updates for your *net-next* tree.
We've added 43 non-merge commits during the last 11 day(s) which contain
a total of 74 files changed, 3717 insertions(+), 578 deletions(-).
The main changes are:
1) syscall program type, fd array, and light skeleton, from Alexei.
2) Stop emitting static variables in skeleton, from Andrii.
3) Low level tc-bpf api, from Kumar.
4) Reduce verifier kmalloc/kfree churn, from Lorenz.
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, Edward Cree, John Fastabend, Song Liu, Toke
Høiland-Jørgensen, Willem de Bruijn, Yonghong Song
----------------------------------------------------------------
The following changes since commit b741596468b010af2846b75f5e75a842ce344a6e:
Merge tag 'riscv-for-linus-5.13-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux (2021-05-08 11:52:37 -0700)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
for you to fetch changes up to 3a2daa7248647c0e5e165140553f9af5006e93a2:
bpf: Make some symbols static (2021-05-19 10:47:43 -0700)
----------------------------------------------------------------
Alexei Starovoitov (23):
Merge branch 'Reduce kmalloc / kfree churn in the verifier'
bpf: Introduce bpf_sys_bpf() helper and program type.
bpf: Introduce bpfptr_t user/kernel pointer.
bpf: Prepare bpf syscall to be used from kernel and user space.
libbpf: Support for syscall program type
selftests/bpf: Test for syscall program type
bpf: Make btf_load command to be bpfptr_t compatible.
selftests/bpf: Test for btf_load command.
bpf: Introduce fd_idx
bpf: Add bpf_btf_find_by_name_kind() helper.
bpf: Add bpf_sys_close() helper.
libbpf: Change the order of data and text relocations.
libbpf: Add bpf_object pointer to kernel_supports().
libbpf: Preliminary support for fd_idx
libbpf: Generate loader program out of BPF ELF file.
libbpf: Cleanup temp FDs when intermediate sys_bpf fails.
libbpf: Introduce bpf_map__initial_value().
bpftool: Use syscall/loader program in "prog load" and "gen skeleton" command.
selftests/bpf: Convert few tests to light skeleton.
selftests/bpf: Convert atomics test to light skeleton.
selftests/bpf: Convert test printk to use rodata.
selftests/bpf: Convert test trace_printk to lskel.
bpf: Add cmd alias BPF_PROG_RUN
Andrii Nakryiko (9):
bpftool: Strip const/volatile/restrict modifiers from .bss and .data vars
libbpf: Add per-file linker opts
selftests/bpf: Stop using static variables for passing data to/from user-space
bpftool: Stop emitting static variables in BPF skeleton
libbpf: Fix ELF symbol visibility update logic
libbpf: Treat STV_INTERNAL same as STV_HIDDEN for functions
selftests/bpf: Validate skeleton gen handles skipped fields
libbpf: Reject static maps
libbpf: Reject static entry-point BPF programs
Cong Wang (1):
skmsg: Remove unused parameters of sk_msg_wait_data()
Daniel Borkmann (1):
Merge branch 'bpf-loader-progs'
Dongseok Yi (1):
bpf: Check for BPF_F_ADJ_ROOM_FIXED_GSO when bpf_skb_change_proto
Hailong Liu (1):
samples, bpf: Suppress compiler warning
Kumar Kartikeya Dwivedi (3):
libbpf: Add various netlink helpers
libbpf: Add low level TC-BPF management API
libbpf: Add selftests for TC-BPF management API
Lorenz Bauer (3):
bpf: verifier: Improve function state reallocation
bpf: verifier: Use copy_array for jmp_history
bpf: verifier: Allocate idmap scratch in verifier env
Pu Lehui (1):
bpf: Make some symbols static
Tiezhu Yang (2):
bpf, arm64: Replace STACK_ALIGN() with round_up() to align stack size
bpf, arm64: Remove redundant switch case about BPF_DIV and BPF_MOD
arch/arm64/net/bpf_jit_comp.c | 19 +-
include/linux/bpf.h | 19 +-
include/linux/bpf_types.h | 2 +
include/linux/bpf_verifier.h | 9 +
include/linux/bpfptr.h | 75 +++
include/linux/btf.h | 2 +-
include/linux/skmsg.h | 3 +-
include/uapi/linux/bpf.h | 39 +-
kernel/bpf/bpf_iter.c | 13 +-
kernel/bpf/btf.c | 70 +-
kernel/bpf/syscall.c | 194 ++++--
kernel/bpf/verifier.c | 345 +++++-----
net/bpf/test_run.c | 45 +-
net/core/filter.c | 22 +-
net/core/skmsg.c | 3 +-
net/ipv4/tcp_bpf.c | 9 +-
net/ipv4/udp_bpf.c | 8 +-
samples/bpf/task_fd_query_user.c | 2 +-
tools/bpf/bpftool/Makefile | 2 +-
tools/bpf/bpftool/gen.c | 394 ++++++++++-
tools/bpf/bpftool/main.c | 7 +-
tools/bpf/bpftool/main.h | 1 +
tools/bpf/bpftool/prog.c | 107 ++-
tools/bpf/bpftool/xlated_dumper.c | 3 +
tools/include/uapi/linux/bpf.h | 39 +-
tools/lib/bpf/Build | 2 +-
tools/lib/bpf/bpf_gen_internal.h | 41 ++
tools/lib/bpf/gen_loader.c | 729 +++++++++++++++++++++
tools/lib/bpf/libbpf.c | 427 +++++++++---
tools/lib/bpf/libbpf.h | 67 +-
tools/lib/bpf/libbpf.map | 7 +
tools/lib/bpf/libbpf_internal.h | 2 +
tools/lib/bpf/linker.c | 18 +-
tools/lib/bpf/netlink.c | 568 +++++++++++++---
tools/lib/bpf/nlattr.h | 48 ++
tools/lib/bpf/skel_internal.h | 123 ++++
tools/testing/selftests/bpf/.gitignore | 1 +
tools/testing/selftests/bpf/Makefile | 16 +-
tools/testing/selftests/bpf/prog_tests/atomics.c | 72 +-
.../selftests/bpf/prog_tests/fentry_fexit.c | 6 +-
.../testing/selftests/bpf/prog_tests/fentry_test.c | 10 +-
.../testing/selftests/bpf/prog_tests/fexit_sleep.c | 6 +-
.../testing/selftests/bpf/prog_tests/fexit_test.c | 10 +-
.../testing/selftests/bpf/prog_tests/kfunc_call.c | 6 +-
.../selftests/bpf/prog_tests/ksyms_module.c | 2 +-
tools/testing/selftests/bpf/prog_tests/ringbuf.c | 8 +-
.../testing/selftests/bpf/prog_tests/send_signal.c | 2 +-
tools/testing/selftests/bpf/prog_tests/skeleton.c | 6 +-
.../selftests/bpf/prog_tests/static_linked.c | 9 +-
tools/testing/selftests/bpf/prog_tests/syscall.c | 55 ++
tools/testing/selftests/bpf/prog_tests/tc_bpf.c | 395 +++++++++++
.../selftests/bpf/prog_tests/trace_printk.c | 5 +-
.../selftests/bpf/progs/bpf_iter_test_kern4.c | 4 +-
tools/testing/selftests/bpf/progs/kfree_skb.c | 4 +-
tools/testing/selftests/bpf/progs/linked_maps1.c | 2 +-
tools/testing/selftests/bpf/progs/syscall.c | 121 ++++
tools/testing/selftests/bpf/progs/tailcall3.c | 2 +-
tools/testing/selftests/bpf/progs/tailcall4.c | 2 +-
tools/testing/selftests/bpf/progs/tailcall5.c | 2 +-
.../selftests/bpf/progs/tailcall_bpf2bpf2.c | 2 +-
.../selftests/bpf/progs/tailcall_bpf2bpf4.c | 2 +-
tools/testing/selftests/bpf/progs/test_check_mtu.c | 4 +-
.../selftests/bpf/progs/test_cls_redirect.c | 4 +-
.../selftests/bpf/progs/test_global_func_args.c | 2 +-
.../testing/selftests/bpf/progs/test_rdonly_maps.c | 6 +-
tools/testing/selftests/bpf/progs/test_ringbuf.c | 4 +-
tools/testing/selftests/bpf/progs/test_skeleton.c | 4 +-
.../selftests/bpf/progs/test_snprintf_single.c | 2 +-
.../selftests/bpf/progs/test_sockmap_listen.c | 4 +-
.../selftests/bpf/progs/test_static_linked1.c | 10 +-
.../selftests/bpf/progs/test_static_linked2.c | 10 +-
tools/testing/selftests/bpf/progs/test_subprogs.c | 13 +
tools/testing/selftests/bpf/progs/test_tc_bpf.c | 12 +
tools/testing/selftests/bpf/progs/trace_printk.c | 6 +-
74 files changed, 3717 insertions(+), 578 deletions(-)
create mode 100644 include/linux/bpfptr.h
create mode 100644 tools/lib/bpf/bpf_gen_internal.h
create mode 100644 tools/lib/bpf/gen_loader.c
create mode 100644 tools/lib/bpf/skel_internal.h
create mode 100644 tools/testing/selftests/bpf/prog_tests/syscall.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/tc_bpf.c
create mode 100644 tools/testing/selftests/bpf/progs/syscall.c
create mode 100644 tools/testing/selftests/bpf/progs/test_tc_bpf.c
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